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Garage Conversion in Aurora
Licensed garage conversion services for Aurora and Arapahoe/Adams County. Turn your garage into livable space.
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Local Service
Garage Conversion Services in Aurora, Colorado
Autotelic provides professional garage conversion services throughout Aurora and the surrounding Arapahoe/Adams County area. Garage to living space conversions across the Denver metro — studios, offices, guest suites, and ADUs with full HVAC, insulation, and code-compliant egress. Whether you're in Aurora (Colorado's third-largest city) or nearby communities, our team delivers quality workmanship backed by Colorado licensing and full insurance coverage.
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.
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).
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
| Standard | Requirement |
|---|---|
| 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
| Standard | Requirement |
|---|---|
| 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
| Standard | Requirement |
|---|---|
| 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
| Standard | Requirement |
|---|---|
| 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
| Standard | Requirement |
|---|---|
| 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
| Standard | Requirement |
|---|---|
| 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
| Standard | Requirement |
|---|---|
| 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
| Standard | Requirement |
|---|---|
| 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 a Denver Garage Conversion Usually Includes
A residential garage conversion in the Denver metro area is more than closing the garage door opening and finishing the interior. Typical scope starts with a structural assessment and load-bearing review of the existing garage, including foundation condition and whether leveling or reinforcement is needed—especially on older structures. Work commonly includes framing a new exterior wall where the garage door was, adding windows and an entry door for light and egress, insulating walls, ceilings, and floors to current Colorado energy standards, and installing HVAC (often a mini-split, or tying into the main home when appropriate). Electrical upgrades usually cover new circuits, outlets, lighting, and sometimes a dedicated panel. If the plan includes a kitchenette or bathroom, new plumbing and sewer connections are part of the project, along with interior finishes such as drywall, paint, trim, flooring, and fixtures. Utility routing may tap existing services or require new runs depending on the garage’s current setup.
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Permits, Reviews, and Inspections in Denver
In the City and County of Denver, Community Planning and Development (CPD) – Development Services is the primary authority for garage conversion permitting. A building permit is required when non-habitable space becomes living space, and when structural changes or floor-area increases are involved. Zoning review is especially important for accessory dwelling unit (ADU) conversions. If plumbing is added or altered, a Sewer Use and Drainage Permit (SUDP) is typically needed. Separate trade permits cover electrical, plumbing, and mechanical (HVAC) work and are often handled as online quick permits. Applications generally need architectural drawings, a site plan showing the structure relative to lot lines and existing buildings, and structural documentation when required. Review timelines commonly range from about 4 to 12 weeks depending on complexity and city workload. Properties in historic districts usually need a Certificate of Appropriateness from Landmark Preservation before building and zoning permits can move forward. Construction is followed by multiple inspections—foundation, framing, mechanical, electrical, plumbing, insulation, and final—and a Certificate of Occupancy is required before the space can be legally inhabited. Homeowners may apply for some building permits, but ADUs must be built by a licensed contractor. A municipally licensed Denver general contractor coordinates the overall project and the licensed specialty trades who pull and perform the trade-specific work.
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Codes, Zoning, and Design Constraints
Denver enforces the 2021 International Codes with local amendments. Converted space must meet habitable-room standards, including minimum ceiling height (commonly in the 7 to 7.5 foot range), natural light, ventilation, and compliant egress. Full insulation to current Colorado energy code expectations is required. Zoning and setbacks matter: garage conversions are widely allowed in Denver residential zones under statewide ADU standards established by HB24-1152 (effective 2024), but maximum height, square footage, setbacks, and lot coverage still vary by district (for example SU or TU). Some areas may expect replacement parking if the garage is removed from vehicle use. In single-unit zone districts, owner-occupancy rules can apply at permit application for an ADU; Colorado’s 2024 housing updates modernized those rules so owners are not locked into living on-site forever after application. Historic districts and landmarks add design limits on materials, windows, and exterior appearance—vinyl windows, certain sidings, and similar products may be restricted. If an existing structure is removed before conversion work, a demolition permit may also be required.
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Materials and Building Methods That Matter
Existing concrete slabs are often kept and improved with new finished flooring such as LVP, tile, laminate, wood, or carpet. If the floor is built up, finished ceiling height still has to clear habitable minimums. The garage door opening is framed solid, insulated, and finished to match the rest of the exterior and interior. Windows and an exterior door are selected for egress, daylight, and weather performance; historic properties may require specific approved products. Mini-split HVAC is a frequent choice for independent climate control in a converted garage, while some projects connect to the main residence system when capacity and layout allow. Electrical work typically brings the space up to living-space standards with modern wiring and adequate capacity. Kitchens and baths add cabinetry, counters, fixtures, and code-compliant wet-area assemblies. Quality here is not cosmetic only—foundation condition, air sealing, insulation continuity, and properly permitted systems determine comfort, durability, and long-term value.
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What Buyers and Homeowners Should Evaluate
Whether you are planning a conversion or buying a home that already has one, start with permit history and legal status. Confirm that City and County of Denver permits and inspections were completed and that a Certificate of Occupancy exists for the converted space. Unpermitted work can trigger costly corrections and shrink the buyer pool. Check zoning compliance for size, height, setbacks, lot coverage, ADU status, and any historic or overlay rules. Have the foundation, framing, roof, and moisture conditions assessed—older garages often need more structural work than a surface remodel suggests. Review electrical capacity, plumbing access, HVAC performance, and whether services are shared or separately arranged. Verify life-safety basics: egress, smoke detectors, carbon monoxide alarms, and safe exits. Look at finish quality and build detailing, not just square footage. If covered parking was required, confirm legal replacement parking was established. Also review HOA rules and deed restrictions, which can limit or prohibit ADUs or exterior changes. A well-planned, fully permitted conversion is more marketable and more useful as living space or rental potential than a shortcut remodel.
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Working With a General Contractor on Your Conversion
Garage conversions touch structure, energy performance, life safety, and multiple trades. A municipally licensed Denver general contractor manages sequencing, drawings coordination, permitting strategy, inspections, and on-site quality while coordinating licensed specialty trades for electrical, plumbing, mechanical, and other scoped work. That approach helps keep the project aligned with Denver CPD requirements and reduces the risk of incomplete permits or failed inspections. Costs are project-specific and depend on foundation condition, whether a full bath or kitchen is included, HVAC strategy, electrical service needs, historic-district constraints, finish level, and any parking or exterior work. The right next step is a site review of the existing garage, your intended use (extra living space, guest suite, office, or ADU), and the property’s zoning context before drawings and permit applications begin.
FAQ
Common questions
Do I need a permit to convert a garage into living space in Denver?
Yes. Changing non-habitable garage space into living space requires a building permit through Denver Community Planning and Development, and often zoning review as well. Plumbing changes typically need an SUDP, and electrical, plumbing, and mechanical work require their own trade permits. A Certificate of Occupancy is needed before the space can be legally lived in.
Who handles the electrical, plumbing, and mechanical permits and licensing?
A municipally licensed Denver general contractor coordinates the project and works with licensed specialty trades. Those trades handle the electrical, plumbing, and mechanical scopes and the related trade permits, while the general contractor helps keep the overall building, zoning, and inspection process on track.
Can a Denver garage conversion become a legal ADU?
Often yes, when zoning, size, setbacks, lot coverage, owner-occupancy rules at application, and building-code requirements are met. ADU conversions need proper drawings, zoning compliance, and construction by a licensed contractor. Historic-district properties may need Landmark approval before standard permits move forward.
How long does permitting usually take?
Denver review commonly runs about 4 to 12 weeks depending on project complexity, completeness of the submittal, and city workload. Historic approvals, structural documentation, or ADU zoning issues can extend the timeline. Construction inspections happen in stages after permits are issued.
What ceiling height and safety features are required?
Habitable converted space generally needs about 7 to 7.5 feet of ceiling height, adequate light and ventilation, code-compliant egress, and required smoke and carbon monoxide alarms. Insulation must meet current Colorado energy expectations, and the finished space must pass final inspection before occupancy.
What should I check if I’m buying a home with a converted garage?
Ask for permit records and the Certificate of Occupancy, confirm zoning and ADU status if applicable, evaluate foundation and structural work, review electrical/plumbing/HVAC condition, verify egress and detectors, and check parking replacement, HOA rules, and deed restrictions. Unpermitted conversions are a major red flag.
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.
How It Runs
01
Survey
02
Design
03
Build
04
Verify
DESIGN SERVICES
Discovery & Site Analysis
Needs + preference programming, site survey, as-built documentation, feasibility.
We walk, measure, and photograph your property — existing conditions, utilities, structure, and constraints. You get the as-built documentation and feasibility read that every later decision rests on.
Learn more →Concept Design & Space Planning
Schematic design, floor plan studies, layout options.
Your scope becomes schematic floor plans you can compare side by side — circulation, daylight, adjacencies, and what each option does to the budget. Layout decisions happen on paper, where changes are cheap.
Learn more →Architectural Design & 3D Renderings
Design development, materials + finishes, photorealistic visualization.
The chosen concept resolves into materials, finishes, fixtures, and lighting — with the automation layer drawn in. Photorealistic renderings let you walk the space and adjust before anything is priced.
Learn more →Construction Documents & Permitting
Full CD sets, structural + MEP engineering coordination, permit-ready drawings.
Approved designs become coordinated architectural, structural, and MEP sheets — the set your jurisdiction permits from and trades build from. We submit, track, and answer review comments.
Learn more →CONSTRUCTION
New Construction & Custom Homes
Ground-up homes and light commercial, dirt to keys.
Ground-up residential and light commercial builds — foundations through finishes, including modular and steel construction. One accountable builder from dirt to keys.
Learn more →Remodels & Additions
Kitchens, baths, basements, pop-tops, whole-home.
Kitchens, baths, basements, pop-tops, and whole-home renovations that respect the house you already have. We handle structure, permits, and the dust.
Learn more →Commercial Tenant Finish & Build-Outs
Shells to working spaces — retail, office, restaurant, school.
Raw shells become working spaces — showrooms, offices, restaurants, schools. Dealer-spec finishes, code compliance, and opening dates held.
Learn more →ADUs & Modular Construction
Backyard cottages, garage conversions, factory-built homes.
Backyard cottages, garage conversions, and factory-built homes — zoning, design, permits, and set. Denver’s ADU rules are a specialty, not a surprise.
Learn more →Outdoor Living & Patio Structures
Decks, pergolas, and dining patios built for Colorado weather.
Decks, pergolas, and dining patios engineered for Colorado sun, snow, and hail — structure, shade, and drainage done right the first time.
Learn more →TECHNOLOGY
Smart Home Automation
Lighting, shades, climate, audio, security — one interface.
Whole-home control of lighting, shades, climate, audio, and security from a single interface — Crestron, Lutron, Savant, and Control4 designed in, not bolted on.
Learn more →A/V Systems
Theaters, distributed audio, video walls, commercial sound.
Theaters, distributed audio, video walls, and commercial sound — designed, installed, and tuned by the same team for over 20 years.
Learn more →Control Systems
Custom programming — scenes and schedules that fit the space.
Every subsystem brought into one elegant interface — custom programming for homes and venues, with scenes and schedules that match how the space is actually used.
Learn more →Networking & Edge Compute
Enterprise Wi-Fi, structured cabling, racks, on-prem compute.
Enterprise-grade Wi-Fi, structured cabling, racks, and on-premise compute — the backbone that makes everything else reliable, including our own Barbot platform.
Learn more →Solar & Energy Storage
Solar arrays, Tesla Powerwall, EV charging — certified install.
Solar arrays, Tesla Powerwall, and EV charging designed and installed by a Tesla Energy Certified team — roof, electrical, and app in one scope.
Learn more →TRUSTED TO BUILD FOR
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- Spectrum RetirementSenior living communities
- Denver HighlandsFirst modular custom home
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