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Insulation in Denver

Licensed insulation services for Denver and Denver County. Energy efficiency from the inside out.

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Insulation

Energy efficiency from the inside out

Local Service

Insulation Services in Denver, Colorado

Autotelic provides professional insulation services throughout Denver and the surrounding Denver County area. Spray foam, batt, blown-in, and rigid foam insulation for walls, attics, basements, and crawl spaces. Whether you're in Denver (Colorado's capital city) or nearby communities, our team delivers quality workmanship backed by Colorado licensing and full insurance coverage.

Permits & Licensing

Permits in Denver

Building permits in Denver are issued by Community Planning and Development, and contractor licensing here is municipal — a Denver-licensed contractor pulls Denver permits. We handle permit applications and inspections as part of every project. Authority: City and County of Denver — Community Planning and Development.

Permit Thresholds

Denver permit thresholds

Code reference
Drywall patching or replacement of one sheet no larger than 4 ft by 8 ft.
Code/municipal-code references
Requirements are administered under the Denver Building and Fire Code (2025 edition, effective December 31, 2025, incorporating 2024 I-Codes with local amendments; prior editions referenced similar administrative provisions).
Code reference
Exemptions and permit triggers align with administrative sections (e.g., analogous to IBC/IRC Section 105 or city-specific Admin provisions such as those referenced in policy documents like ADMIN 131/138).Section 105
Code reference
Demolition has a specific reference (Denver Commercial Building Code Section 130.3 for exempted work).Section 130.3
There is a tiered schedule (e.g., $1–$500
$20 permit fee; higher tiers add per-$1,000 amounts with 50% plan review on many ranges); see the full table in the Development Fees policy for exact tiers.

Codes are amended regularly — verify current requirements with City and County of Denver — Community Planning and Development.

Energy Code

Denver energy code quick facts

Code reference
2021 IECC (with local Denver amendments) as adopted in the 2025 Denver Building and Fire Codes / Denver Energy Code (effective December 31, 2025); Denver Green Code (DGC) provisions may also apply to certain commercial/multifamily projects.
Code reference
Denver (Climate Zone 5B) follows the 2021 IECC base with amendments incorporated into the Denver Energy Code (DEC; residential provisions start around p.
Code reference
312 of the code document).
Code reference
The 2025 adoption explicitly incorporates the 2021 IECC for energy (distinct from the 2024 I-codes used for other building/fire provisions).
Code reference
Chapter 5 [RE] / [CE] addresses additions, alterations, repairs, and changes of occupancy to existing buildings.
Code reference
The DGC (2022, effective ~May 2023) is largely voluntary but includes mandatory elements for some larger buildings alongside Energize Denver performance standards (primarily for existing large buildings).
Code reference
Key prescriptive requirements relevant to remodels/additions (drawn from 2021 IECC Table R402.1.3 / equivalent, applicable via Chapter 5 for new envelope work unless otherwise exempted; Denver-specific checklist references confirm use of these tables or U-factor alternatives):
Ceiling/attic insulation
Minimum R-60 (Climate Zone 5).

Codes are amended regularly — verify current requirements with City and County of Denver — Community Planning and Development.

Zoning & Dimensional Standards

Setback & dimensional standards in Denver

Zone-district dimensional standards for Denver, quoted verbatim from the Denver Zoning Code. Knowing your lot's district — and its setbacks, height, and coverage limits — is where every feasibility conversation starts.

E-CC-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)0'
Side Street Setback (min)0'
Side Interior Setback (min)0'

Denver Zoning Code E-CC-3 setback standards (4.3, p.37) — effective 2010-06-25 · View the code

E-MS-2setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code E-MS-2 setback standards (4.3, p.33) — effective 2010-06-25 · View the code

E-MS-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code E-MS-3 setback standards (4.3, p.33) — effective 2010-06-25 · View the code

E-MS-5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code E-MS-5 setback standards (4.3, p.33) — effective 2010-06-25 · View the code

E-MU-2.5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)5'
Side Interior Setback (min)7.5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)45%
Zone Lot Area (min)6,000 sf
Zone Lot Width (min)50'
Height in Feet (max)30'/30'
Height in Stories (max)2.5/2.5
Bulk Plane10'/10'

Denver Zoning Code E-MU-2.5 setback standards (4.3, p.19) — effective 2010-06-25 · View the code

E-MX-2setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code E-MX-2 setback standards (4.3, p.33) — effective 2010-06-25 · View the code

E-MX-2Asetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code E-MX-2A setback standards (4.3, p.33) — effective 2010-06-25 · View the code

E-MX-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code E-MX-3 setback standards (4.3, p.33) — effective 2010-06-25 · View the code

E-MX-3Asetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code E-MX-3A setback standards (4.3, p.33) — effective 2010-06-25 · View the code

E-MX-Esetback & dimensional standards
StandardRequirement
Primary Street Setback (min)40% E-MS: 60%
Side Street Setback (min)25%

Denver Zoning Code E-MX-E setback standards (4.3, p.39) — effective 2010-06-25 · View the code

E-RH-2.5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)5'
Side Interior Setback (min)7.5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)45%
Zone Lot Area (min)6,000 sf
Zone Lot Width (min)50'
Height in Feet (max)30'/30'
Height in Stories (max)2.5/2.5
Bulk Plane10'/10'

Denver Zoning Code E-RH-2.5 setback standards (4.3, p.19) — effective 2010-06-25 · View the code

E-RX-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code E-RX-3 setback standards (4.3, p.33) — effective 2010-06-25 · View the code

E-RX-5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code E-RX-5 setback standards (4.3, p.33) — effective 2010-06-25 · View the code

E-SU-Asetback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Rear Setback where no alley (min)12' 12' 20' 20' 20'
Rear Setback where alley abuts (min)3' 5' 5' 7.5' 3' 3' min one side/ 10' min com- bined 5' 10'
Building Coverage (max)45%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code E-SU-A setback standards (4.3, p.21) — effective 2010-06-25 · View the code

E-SU-Bsetback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Rear Setback where no alley (min)12' 12' 20' 20' 20'
Rear Setback where alley abuts (min)3' 5' 5' 7.5' 3' 3' min one side/ 10' min com- bined 5' 10'
Zone Lot Area (min)4,500 sf
Zone Lot Width (min)35'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code E-SU-B setback standards (4.3, p.21) — effective 2010-06-25 · View the code

E-SU-Dsetback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)5'
Side Interior Setback (min)5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)45%
Zone Lot Area (min)6,000 sf
Zone Lot Width (min)50'
Height in Feet (max)30'/30'
Height in Stories (max)2.5/2.5
Bulk Plane10'/10'

Denver Zoning Code E-SU-D setback standards (4.3, p.19) — effective 2010-06-25 · View the code

E-SU-Gsetback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Rear Setback where no alley (min)12' 12' 20' 20' 20'
Rear Setback where alley abuts (min)3' 5' 5' 7.5' 3' 3' min one side/ 10' min com- bined 5' 10'
Building Coverage (max)45%
Zone Lot Area (min)9,000 sf
Zone Lot Width (min)62.5'
Height in Feet (max)30'/30'
Height in Stories (max)2.5/2.5
Bulk Plane10'/10'

Denver Zoning Code E-SU-G setback standards (4.3, p.19) — effective 2010-06-25 · View the code

E-TU-Bsetback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)3'
Side Interior Setback (min)3'
Rear Setback where no alley (min)12' 12' 20' 20' 20'
Rear Setback where alley abuts (min)3' 5' 5' 7.5' 3' 3' min one side/ 10' min com- bined 5' 10'
Building Coverage (max)45%
Zone Lot Area (min)4,500 sf
Zone Lot Width (min)35'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code E-TU-B setback standards (4.3, p.21) — effective 2010-06-25 · View the code

E-TU-Csetback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)5'
Side Interior Setback (min)3' min one side/ 10' min combined
Rear Setback where no alley (min)12' 12' 20' 20' 20'
Rear Setback where alley abuts (min)3' 5' 5' 7.5' 3' 3' min one side/ 10' min com- bined 5' 10'
Building Coverage (max)45%
Zone Lot Area (min)5,500 sf
Zone Lot Width (min)50'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code E-TU-C setback standards (4.3, p.21) — effective 2010-06-25 · View the code

G-MS-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code G-MS-3 setback standards (6.3, p.27) — effective 2010-06-25 · View the code

G-MS-5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code G-MS-5 setback standards (6.3, p.27) — effective 2010-06-25 · View the code

G-MU-12setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)5'
Side Interior Setback (min)7.5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)10'
Zone Lot Area (min)6,000 sf
Zone Lot Width (min)50'

Denver Zoning Code G-MU-12 setback standards (6.3, p.29) — effective 2010-06-25 · View the code

G-MU-20setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)5'
Side Interior Setback (min)7.5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)10'
Zone Lot Area (min)6,000 sf
Zone Lot Width (min)50'

Denver Zoning Code G-MU-20 setback standards (6.3, p.29) — effective 2010-06-25 · View the code

G-MU-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)5'
Side Interior Setback (min)3' min one side/10' min combined
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)45%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'

Denver Zoning Code G-MU-3 setback standards (6.3, p.17) — effective 2010-06-25 · View the code

G-MU-5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)5'
Side Interior Setback (min)5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)45%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'

Denver Zoning Code G-MU-5 setback standards (6.3, p.17) — effective 2010-06-25 · View the code

G-MU-8setback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)5'
Side Interior Setback (min)7.5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)40%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'

Denver Zoning Code G-MU-8 setback standards (6.3, p.17) — effective 2010-06-25 · View the code

G-MX-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code G-MX-3 setback standards (6.3, p.27) — effective 2010-06-25 · View the code

G-RH-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)15'
Side Interior Setback (min)3'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)60%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'
Bulk Plane12'

Denver Zoning Code G-RH-3 setback standards (6.3, p.17) — effective 2010-06-25 · View the code

G-RO-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)5'
Side Interior Setback (min)3' min one side/10' min combined
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)45%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'

Denver Zoning Code G-RO-3 setback standards (6.3, p.17) — effective 2010-06-25 · View the code

G-RO-5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Street Setback (min)5'
Side Interior Setback (min)5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)45%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'

Denver Zoning Code G-RO-5 setback standards (6.3, p.17) — effective 2010-06-25 · View the code

G-RX-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code G-RX-3 setback standards (6.3, p.27) — effective 2010-06-25 · View the code

G-RX-5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code G-RX-5 setback standards (6.3, p.27) — effective 2010-06-25 · View the code

S-CC-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)0'
Side Street Setback (min)0'
Side Interior Setback (min)0'

Denver Zoning Code S-CC-3 setback standards (3.3, p.29) — effective 2010-06-25 · View the code

S-CC-5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)0'
Side Street Setback (min)0'
Side Interior Setback (min)5'

Denver Zoning Code S-CC-5 setback standards (3.3, p.33) — effective 2010-06-25 · View the code

S-MS-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)0'
Side Street Setback (min)0'
Side Interior Setback (min)0'

Denver Zoning Code S-MS-3 setback standards (3.3, p.29) — effective 2010-06-25 · View the code

S-MU-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)13.1.5.9 or 20' , whichever
Side Street Setback (min)5'
Side Interior Setback (min)5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)50%
Zone Lot Area (min)4,500 sf
Zone Lot Width (min)37.5'
Height in Feet (max)32'/32'
Height in Stories (max)3/3

Denver Zoning Code S-MU-3 setback standards (3.3, p.21) — effective 2010-06-25 · View the code

S-MX-12setback & dimensional standards
StandardRequirement
Primary Street Setback (min)20' 20'/25'
Side Interior Setback (min)35'/40'

Denver Zoning Code S-MX-12 setback standards (3.3, p.39) — effective 2010-06-25 · View the code

S-MX-12Asetback & dimensional standards
StandardRequirement
Primary Street Setback (min)20' 20'/25'
Side Interior Setback (min)35'/40'

Denver Zoning Code S-MX-12A setback standards (3.3, p.39) — effective 2010-06-25 · View the code

S-MX-2setback & dimensional standards
StandardRequirement
Primary Street Setback (min)0'
Side Street Setback (min)0'
Side Interior Setback (min)0'

Denver Zoning Code S-MX-2 setback standards (3.3, p.29) — effective 2010-06-25 · View the code

S-MX-2Asetback & dimensional standards
StandardRequirement
Primary Street Setback (min)40% Residential Only Buildings: 30%
Side Street Setback (min)25%
Side Interior Setback (min)0'

Denver Zoning Code S-MX-2A setback standards (3.3, p.37) — effective 2010-06-25 · View the code

S-MX-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)0'
Side Street Setback (min)0'
Side Interior Setback (min)0'

Denver Zoning Code S-MX-3 setback standards (3.3, p.31) — effective 2010-06-25 · View the code

S-MX-3Asetback & dimensional standards
StandardRequirement
Primary Street Setback (min)15'

Denver Zoning Code S-MX-3A setback standards (3.3, p.39) — effective 2010-06-25 · View the code

S-MX-5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Interior Setback (min)35'/40'

Denver Zoning Code S-MX-5 setback standards (3.3, p.39) — effective 2010-06-25 · View the code

S-MX-5Asetback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'
Side Interior Setback (min)35'/40'

Denver Zoning Code S-MX-5A setback standards (3.3, p.39) — effective 2010-06-25 · View the code

S-MX-8Asetback & dimensional standards
StandardRequirement
Primary Street Setback (min)20'

Denver Zoning Code S-MX-8A setback standards (3.3, p.39) — effective 2010-06-25 · View the code

S-RH-2.5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)5'
Side Interior Setback (min)5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)50%
Zone Lot Area (min)4,500 sf
Zone Lot Width (min)37.5'
Height in Feet (max)30'/30'
Height in Stories (max)2.5/2.5
Bulk Plane10'/10'

Denver Zoning Code S-RH-2.5 setback standards (3.3, p.21) — effective 2010-06-25 · View the code

S-SU-Asetback & dimensional standards
StandardRequirement
Side Interior Setback (min)3' 5'
Rear Setback where alley abuts (min)12'
Building Coverage (max)50%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'
Height in Feet (max)30'/30'
Height in Stories (max)2.5/2.5
Bulk Plane10'/10'

Denver Zoning Code S-SU-A setback standards (3.3, p.19) — effective 2010-06-25 · View the code

S-SU-FAsetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10' 5'/15'
Side Interior Setback (min)5'/15'
Rear Setback where alley abuts (min)12'
Building Coverage (max)50%
Zone Lot Area (min)8,500 sf
Zone Lot Width (min)62.5'
Height in Feet (max)30'/30'
Height in Stories (max)2.5/2.5
Bulk Plane10'

Denver Zoning Code S-SU-FA setback standards (3.3, p.19) — effective 2010-06-25 · View the code

S-SU-Isetback & dimensional standards
StandardRequirement
Side Street Setback (min)5'
Zone Lot Area (min)12,000 sf
Zone Lot Width (min)62.5'
Height in Feet (max)30'/30'
Height in Stories (max)3/3
Bulk Plane10'/10' 10'/10'

Denver Zoning Code S-SU-I setback standards (3.3, p.19) — effective 2010-06-25 · View the code

U-MS-2setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code U-MS-2 setback standards (5.3, p.27) — effective 2010-06-25 · View the code

U-MS-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code U-MS-3 setback standards (5.3, p.27) — effective 2010-06-25 · View the code

U-MS-5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code U-MS-5 setback standards (5.3, p.27) — effective 2010-06-25 · View the code

U-MX-2setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code U-MX-2 setback standards (5.3, p.27) — effective 2010-06-25 · View the code

U-MX-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code U-MX-3 setback standards (5.3, p.27) — effective 2010-06-25 · View the code

U-RH-2.5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)10'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)40%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-RH-2.5 setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-RH-3Asetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)10'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)40%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-RH-3A setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-RX-3setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code U-RX-3 setback standards (5.3, p.27) — effective 2010-06-25 · View the code

U-RX-5setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)7.5'
Side Interior Setback (min)5'

Denver Zoning Code U-RX-5 setback standards (5.3, p.27) — effective 2010-06-25 · View the code

U-SU-Asetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)3'
Side Interior Setback (min)3'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)60%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-SU-A setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-SU-A2setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)3'
Side Interior Setback (min)3'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)60%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-SU-A2 setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-SU-Bsetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Zone Lot Area (min)4,500 sf
Zone Lot Width (min)35'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-SU-B setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-SU-B2setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)3'
Side Interior Setback (min)3'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)60%
Zone Lot Area (min)4,500 sf
Zone Lot Width (min)35'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-SU-B2 setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-SU-Csetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Interior Setback (min)3' min one 10' min combined
Zone Lot Area (min)5,500 sf
Zone Lot Width (min)50'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-SU-C setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-SU-C2setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)3'
Side Interior Setback (min)3' min one 10' min combined
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)60%
Zone Lot Area (min)5,500 sf
Zone Lot Width (min)50'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-SU-C2 setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-SU-Esetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)45%
Zone Lot Area (min)7,000 sf
Zone Lot Width (min)50'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-SU-E setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-SU-Hsetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)5'
Side Interior Setback (min)5'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)45%
Zone Lot Area (min)10,000 sf
Zone Lot Width (min)75'
Height in Feet (max)30'/17'
Height in Stories (max)3/1
Bulk Plane17'/10'

Denver Zoning Code U-SU-H setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-TU-Bsetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)3'
Side Interior Setback (min)3'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)60%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-TU-B setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-TU-B2setback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)3'
Side Interior Setback (min)3'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)60%
Zone Lot Area (min)3,000 sf
Zone Lot Width (min)25'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-TU-B2 setback standards (5.3, p.19) — effective 2010-06-25 · View the code

U-TU-Csetback & dimensional standards
StandardRequirement
Primary Street Setback (min)10'
Side Street Setback (min)5'
Side Interior Setback (min)10'
Rear Setback where no alley (min)20'
Rear Setback where alley abuts (min)12'
Building Coverage (max)40%
Zone Lot Area (min)4,500 sf
Zone Lot Width (min)35'
Height in Feet (max)30'/17'
Height in Stories (max)2.5/1
Bulk Plane17'/10'

Denver Zoning Code U-TU-C setback standards (5.3, p.19) — effective 2010-06-25 · View the code

Verify current requirements with the jurisdiction — informational reference only. Standards vary by overlay, lot, and use; we confirm the exact rules for your property during feasibility.

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What insulation work covers

Insulation projects in the Denver metro include attic top-ups, wall cavities, crawlspaces, and air sealing details that reduce drafts. Material choices include batts, blown-in, rigid foam, and spray foam as specified for the assembly. A municipally licensed Denver general contractor coordinates insulation with framing, drywall, and mechanical trades. Cost is project-specific and depends on area, access, and material system.

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Ventilation and moisture

Attic ventilation and moisture control should be checked before adding insulation. Covering recessed lights or blocking soffit vents can create hazards or moisture traps.

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Permits and who coordinates the work

Insulation included in a permitted remodel or alteration may be reviewed under City and County of Denver CPD building and energy-code rules. Stand-alone attic work should still be confirmed for local requirements. Cities and counties license general contractors. Colorado has no statewide general contractor license. Autotelic acts as a municipally licensed Denver general contractor and coordinates licensed specialty trades when electrical or mechanical work is part of the package.

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What buyers should prepare

Priority areas (attic, walls, crawl), comfort complaints, and any known knob-and-tube or moisture issues.

FAQ

Common questions

Do insulation upgrades need a Denver permit?

Often when part of a broader permitted alteration. Confirm stand-alone attic work with CPD if unsure.

Who handles insulation project licensing?

A municipally licensed Denver general contractor coordinates the work and related specialty trades. Colorado has no statewide general contractor license.

Is more attic insulation always better?

More helps when ventilation and moisture are handled correctly. Blocking vents or covering unsafe fixtures is not.

What about spray foam?

It can fit some assemblies but needs proper application and sometimes ignition/thermal barriers. Specify the assembly first.

What information helps define scope?

Priority areas, access photos, comfort issues, and city or county.

Service Area

Serving Denver and Denver County

We serve Denver, CO and all surrounding Denver metro communities. Our team is based in Denver and operates throughout the Front Range, from Castle Rock to Longmont and everywhere in between. Contact us for a free estimate on your Denver project.

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