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Bump-Out Expansion in Aurora

Home Addition Feasibility Consultation, $300

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Licensed bump-out expansion services for Aurora and Arapahoe/Adams County. A few extra feet changes everything.

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What Aurora requires

Aurora City Code § 22-184 (amending IRC R105.2) exempts only: one-story detached accessory residential storage sheds, playhouses, or shade structures ≤120 sq ft, not attached to the residence, and not used for vehicle storage. § 22-184

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Bump-Out Expansion

A few extra feet changes everything

Jobs you can book online

Pick your job and choose a time.

Pay when you book. We confirm within 24 hours or refund you in full.

  • Home Addition Feasibility Consultation

    We evaluate structure, lot coverage, and zoning for a proposed addition and discuss realistic options.

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    We evaluate structure, lot coverage, and zoning for a proposed addition and discuss realistic options. Includes a one-page feasibility summary with a preliminary budget range.

  • Addition Feasibility Package

    Structural walkthrough, lot coverage and zoning check, and a massing sketch for your proposed addition.

    $425 deposit to book, the rest when the work is done · morning (8–12) or afternoon (12–4)

    What's included

    Structural walkthrough, lot coverage and zoning check, and a massing sketch for your proposed addition. Delivered as a written feasibility report with a preliminary construction budget.

FREE PLANNING TOOLS

DESIGN YOUR BUMP-OUT EXPANSION →INSTANT ESTIMATE →

Both tools are free and take a couple of minutes — start in either one.

EVERY PROJECT STARTS WITH DESIGN

Local Service

Bump-Out Expansion Services in Aurora, Colorado

Autotelic provides professional bump-out expansion services throughout Aurora and the surrounding Arapahoe/Adams County area. Room bump-out expansions across the Denver metro — extend kitchens, bedrooms, and living rooms 4-12 feet without a full addition. Fast permitting. Whether you're in Aurora (Colorado's third-largest city) or nearby communities, our team delivers quality workmanship, licensed and insured.

The build sequence for a Bump-Out Expansion project

This service is a component of How a Home remodel project works in Aurora.

  1. First contact for a Bump-Out Expansion project
  2. Bump-Out Expansion feasibility in Aurora
  3. How a Bump-Out Expansion project is estimated
  4. Designing a Bump-Out Expansion project
  5. Booking a Bump-Out Expansion service
  6. Managing a Bump-Out Expansion job in the client portal
  7. On site: the crew app

Start a Bump-Out Expansion feasibility study

Permits & Licensing

Permits in Aurora

Aurora building permits are issued by the Building Division's Permit Center, which also handles public improvement, sign, and lawn and irrigation permits. Contractor licensing is a City of Aurora requirement, and applications go through the Aurora4Biz.org online portal. Authority: City of Aurora — Building Division (Permit Center).

Permit Thresholds

Aurora permit thresholds

Code reference
Permits are generally required for residential remodel work in Aurora, Colorado, per the adopted building codes (primarily the 2021 International Residential Code (IRC) with local amendments in Aurora City Code Chapter 22, Article V), unless specifically exempt.
Aurora City Code § 22-184 (amending IRC R105.2) exempts only
one-story detached accessory residential storage sheds, playhouses, or shade structures ≤120 sq ft, not attached to the residence, and not used for vehicle storage.§ 22-184
Code reference
Aurora City Code § 22-135 (amending IBC 105.2) has similar limited exemptions for certain small accessory structures, fences ≤7 ft high (plus all chain-link fences), and antennae/towers ≤25 ft high.§ 22-135
Structural triggers
Any structural alteration, addition, or work affecting load-bearing elements generally requires a permit under the adopted IRC (see R105 and amendments).
Use tax (construction materials use tax)
Prior to permit issuance, a deposit is required based on 3.75% (three and three-fourths percent) applied to 50% of the total estimated cost of the building/construction/reconstruction/alteration/expansion/modification/improvement (or 100% of the total estimated cost of construction materials/
Code reference
This is per Aurora City Code § 130-61.§ 130-61.
Code reference
All information is based on the Aurora Municipal Code (Chapter 22) and official city resources.
§ 22-184Source: aurora.municipal.codes

Codes are amended regularly — verify current requirements with City of Aurora — Building Division (Permit Center).

Energy Code

Aurora energy code quick facts

Code reference
Aurora, Colorado, has adopted the 2021 International Energy Conservation Code (IECC) as its base energy code (with the Colorado Model Electric Ready and Solar Ready Code also required by state law).
Code reference
Aurora is in IECC Climate Zone 5B.
Code reference
The adopting provision is Aurora City Code § 22-203 (Code adopted, under Article VI, International Energy Conservation Code).§ 22-203
Code reference
Key prescriptive requirements relevant to remodels/additions (drawn from 2021 IECC Table R402.1.2 and related sections for CZ 5B; these apply unless a performance path or other compliance option is used):
Ceiling/attic insulation
R-49 (2021 IECC Table R402.1.2, CZ 5B).
Wood-frame wall insulation
R-20 or 13 + 5ci (continuous insulation) (2021 IECC Table R402.1.2, CZ 5B).
Floor insulation (over unconditioned space)
R-30 (2021 IECC Table R402.1.2, CZ 5B).
Fenestration (windows)
Maximum U-factor 0.30 and SHGC 0.40 (2021 IECC Table R402.1.2, CZ 5B).
§ 22-203Source: auroragov.org

Codes are amended regularly — verify current requirements with City of Aurora — Building Division (Permit Center).

Zoning & Dimensional Standards

Setback & dimensional standards in Aurora

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

I-1setback & dimensional standards
StandardRequirement
Rear Setback (min)5 ft.

Aurora Unified Development Ordinance I-1 setback standards (146-4.2.2 Table 4.2-1) — effective 2026-02-23 · View the code

I-2setback & dimensional standards
StandardRequirement
Rear Setback (min)5 ft.

Aurora Unified Development Ordinance I-2 setback standards (146-4.2.2 Table 4.2-1) — effective 2026-02-23 · View the code

R-1setback & dimensional standards
StandardRequirement
Lot Area, Single-Family Detached (min)6,000 sf. [1]
Lot Frontage, Single-Family Detached (min)Subarea A: 50 ft. Subarea B: 60 ft.
Front Setback (min)25 ft. [4]
Side Interior Setback (min)5 ft. [6]
Side Setback Abutting Local Street (min)12.5 ft.
Rear Setback (min)20 ft.
Building Height (max)38 ft.

Aurora Unified Development Ordinance R-1 setback standards (146-4.2.2 Table 4.2-1) — effective 2026-02-23 · View the code

R-2setback & dimensional standards
StandardRequirement
Lot Area, Single-Family Detached (min)6,000 sf. [1]
Lot Frontage, Single-Family Detached (min)Subarea A: 50 ft. Subarea B: 60 ft.
Front Setback (min)20 ft. [4]
Side Interior Setback (min)5 ft.[6]
Side Setback Abutting Local Street (min)10 ft.
Rear Setback (min)15 ft.
Building Height (max)38 ft.

Aurora Unified Development Ordinance R-2 setback standards (146-4.2.2 Table 4.2-1) — effective 2026-02-23 · View the code

R-3setback & dimensional standards
StandardRequirement
Lot Area, Single-Family Detached (min)5,000 sf.
Lot Frontage, Single-Family Detached (min)50 ft.
Front Setback (min)15 ft.
Side Interior Setback (min)5 ft.
Side Setback Abutting Local Street (min)10 ft.
Rear Setback (min)10 ft.
Building Height (max)45 ft.[7]

Aurora Unified Development Ordinance R-3 setback standards (146-4.2.2 Table 4.2-1) — effective 2026-02-23 · View the code

R-4setback & dimensional standards
StandardRequirement
Lot Area, Single-Family Detached (min)5,000 sf.
Lot Frontage, Single-Family Detached (min)50 ft.
Front Setback (min)12 ft.
Side Interior Setback (min)5 ft.
Side Setback Abutting Local Street (min)7.5 ft.
Rear Setback (min)10 ft.
Building Height (max)65 ft.[8]

Aurora Unified Development Ordinance R-4 setback standards (146-4.2.2 Table 4.2-1) — effective 2026-02-23 · View the code

R-MHsetback & dimensional standards
StandardRequirement
Lot Area, Single-Family Detached (min)[2]
Front Setback (min)15 ft.
Side Interior Setback (min)5 ft.
Side Setback Abutting Local Street (min)15 ft.
Rear Setback (min)8 ft.
Building Height (max)20 ft.[9]

Aurora Unified Development Ordinance R-MH setback standards (146-4.2.2 Table 4.2-1) — effective 2026-02-23 · View the code

R-Rsetback & dimensional standards
StandardRequirement
Lot Area, Single-Family Detached (min)43,560 sf.
Lot Frontage, Single-Family Detached (min)120 ft.
Front Setback (min)30 ft.
Side Interior Setback (min)10 ft.
Side Setback Abutting Local Street (min)25 ft.
Rear Setback (min)25 ft.
Building Height (max)38 ft.

Aurora Unified Development Ordinance R-R setback standards (146-4.2.2 Table 4.2-1) — effective 2026-02-23 · 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 this covers

Small floor-area additions that extend an existing room a few feet, usually on a new or extended foundation. Structure, envelope, and openings must match the existing house and Denver setbacks.

FAQ

Common questions

How much does Home Addition Feasibility Consultation cost in Aurora?

$300.

How do I book?

Press Book next to the job, pick a date and a morning (8–12) or afternoon (12–4) window, and pay in full. We confirm within 24 hours or refund you in full.

Who handles the bump-out expansion permits and licensing?

A municipally licensed Denver general contractor coordinates licensed specialty trades. Colorado has no statewide general-contractor license; cities and counties license general contractors. DORA licenses electrical and plumbing, not general contractors.

What is typically in scope for bump-out expansion in Denver?

Small floor-area additions that extend an existing room a few feet, usually on a new or extended foundation.

Service Area

Serving Aurora and Arapahoe/Adams County

We serve Aurora, 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 Aurora project.

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