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ADU / Backyard Cottage in Lakewood
Licensed ADU / backyard cottage services for Lakewood and Jefferson County. Build an income-producing unit in your backyard.
- Full Design Lifecycle
- Construction & Tenant Finish
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Local Service
ADU / Backyard Cottage Services in Lakewood, Colorado
Autotelic provides professional ADU / backyard cottage services throughout Lakewood and the surrounding Jefferson County area. Accessory dwelling unit construction across the Denver metro — detached new builds, garage conversions, and basement conversions compliant with Colorado HB 24-1152. One veteran-owned design-build team runs the full Denver sequence under a single contract: zoning verification and concept design, municipal zoning and building permit reviews, then construction and inspections through certificate of occupancy. Whether you're in Lakewood (Jefferson County's largest city) or nearby communities, our team delivers quality workmanship backed by Colorado licensing and full insurance coverage.
What the code allows
What the code allows in Lakewood — R-1-6 example
- Front setback
- 25 ftTables 17.5.1, 17.5.2, 17.5.5
- Side setback
- 5 ftTables 17.5.1, 17.5.2, 17.5.5
- Rear setback
- 15 ftTables 17.5.1, 17.5.2, 17.5.5
- Corner side setback
- 20 ftTables 17.5.1, 17.5.2, 17.5.5
- Principal building height
- 35 ftTables 17.5.1, 17.5.2, 17.5.5
- ADU allowed by right
- Not verified for this district in our sourced tables — we confirm with the city
- Maximum ADU size
- Not in our sourced tables for this municipality — we confirm with the city
- ADU height
- Not in our sourced tables; the principal building height is not the ADU cap — we confirm during consult
Illustrative only — not a code determination or permit approval. Setbacks and principal height are from the municipal dimensional table for one example lot; ADU-by-right, ADU size and ADU height are not in our sourced tables for Lakewood, so the tool says so instead of guessing — run your own address.
Currently building — Denver, CO
Backyard ADU — Denver
A ground-up backyard ADU in Denver — designed, permitted, and now under construction by Autotelic, and the first project managed end-to-end on Buildbot, Autotelic’s own construction-management platform.
- Architecture, site plans, and full MEP design completed in-house
- Permits pulled — electric and plumbing rough-ins permitted and underway
- Spray-foam insulation and exterior work in progress
Under-slab plumbing rough-in and framing — construction underway now
See the case studyPermits & Licensing
Permits in Lakewood
Lakewood building and construction permits are issued through the Public Works Department, and contractors must be registered with the city and hold a Lakewood contractor account before pulling permits. Permitting and inspections run through the city's eTRAKiT online system. Authority: City of Lakewood — Public Works Department (Building and Construction Permits).
Zoning & Dimensional Standards
Setback & dimensional standards in Lakewood
Zone-district dimensional standards for Lakewood, quoted verbatim from the Lakewood Zoning Code (2025). Knowing your lot's district — and its setbacks, height, and coverage limits — is where every feasibility conversation starts.
C-Lsetback & dimensional standards
| Standard | Requirement |
|---|---|
| Front Setback (min) | 15 ft. |
| Side Setback (min) | 5 ft. |
| Rear Setback (min) | 5 ft. |
| Building Height (max) | 45 ft. |
| Open Space (min %) | 25% |
Lakewood Zoning Code (2025) C-L setback standards (Article 5 Tables 4 & 8 Dimensional Standards (§17.5)) — effective 2025-03-24 · View the code
C-Rsetback & dimensional standards
| Standard | Requirement |
|---|---|
| Front Setback (min) | 15 ft. |
| Side Setback (min) | 5 ft. |
| Rear Setback (min) | 5 ft. |
| Building Height (max) | 90 ft. |
| Open Space (min %) | 25% |
Lakewood Zoning Code (2025) C-R setback standards (Article 5 Tables 4 & 8 Dimensional Standards (§17.5)) — effective 2025-03-24 · View the code
LIsetback & dimensional standards
| Standard | Requirement |
|---|---|
| Front Setback (min) | 15 ft. |
| Side Setback (min) | 5 ft. |
| Rear Setback (min) | 5 ft. |
| Building Height (max) | 60 ft. |
| Open Space (min %) | 25% |
Lakewood Zoning Code (2025) LI setback standards (Article 5 Tables 4 & 8 Dimensional Standards (§17.5)) — effective 2025-03-24 · View the code
R-L-Asetback & dimensional standards
| Standard | Requirement |
|---|---|
| Front Setback (min) | 25 ft. |
| Side Setback (min) | 10 ft. |
| Non-Primary Frontage Front Setback (min) | 20 ft. |
| Rear Setback (min) | 15 ft. |
| Building Height (max) | 35 ft. |
| Minimum Lot Size | 7,000 sq. ft. |
| Minimum Lot Width | 75 ft. |
| Open Space (min %) | 50% |
Lakewood Zoning Code (2025) R-L-A setback standards (Article 5 Tables 4 & 8 Dimensional Standards (§17.5)) — effective 2025-03-24 · View the code
R-L-Bsetback & dimensional standards
| Standard | Requirement |
|---|---|
| Front Setback (min) | 25 ft. |
| Side Setback (min) | 5 ft. |
| Non-Primary Frontage Front Setback (min) | 20 ft. |
| Rear Setback (min) | 15 ft. |
| Building Height (max) | 35 ft. |
| Minimum Lot Size | 5,000 sq. ft. |
| Minimum Lot Width | 60 ft. |
| Open Space (min %) | 50% |
Lakewood Zoning Code (2025) R-L-B setback standards (Article 5 Tables 4 & 8 Dimensional Standards (§17.5)) — effective 2025-03-24 · View the code
R-L-Csetback & dimensional standards
| Standard | Requirement |
|---|---|
| Front Setback (min) | 25 ft. |
| Side Setback (min) | 5 ft. |
| Non-Primary Frontage Front Setback (min) | 20 ft. |
| Rear Setback (min) | 15 ft. |
| Building Height (max) | 35 ft. |
| Minimum Lot Size | 1,500 sq. ft. |
| Minimum Lot Width | 25 ft. |
| Open Space (min %) | 50% |
Lakewood Zoning Code (2025) R-L-C setback standards (Article 5 Tables 4 & 8 Dimensional Standards (§17.5)) — effective 2025-03-24 · View the code
R-L-MHsetback & dimensional standards
| Standard | Requirement |
|---|---|
| Front Setback (min) | 25 ft. |
| Side Setback (min) | 5 ft. |
| Non-Primary Frontage Front Setback (min) | 20 ft. |
| Rear Setback (min) | 15 ft. |
| Building Height (max) | 25 ft. |
| Minimum Lot Width | 35 (SW) 40 (DW) |
| Open Space (min %) | 25% |
Lakewood Zoning Code (2025) R-L-MH setback standards (Article 5 Tables 4 & 8 Dimensional Standards (§17.5)) — effective 2025-03-24 · View the code
R-Msetback & dimensional standards
| Standard | Requirement |
|---|---|
| Front Setback (min) | 10 ft. |
| Side Setback (min) | 5 ft. |
| Non-Primary Frontage Front Setback (min) | 10 ft. |
| Rear Setback (min) | 15 ft. |
| Building Height (max) | 45 ft. |
| Minimum Lot Width | 18 ft. |
| Open Space (min %) | 30% |
Lakewood Zoning Code (2025) R-M setback standards (Article 5 Tables 4 & 8 Dimensional Standards (§17.5)) — effective 2025-03-24 · 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.
Detached, garage conversion, or basement conversion
ADU Scope
Every ADU starts with your lot. Colorado HB 24-1152 opened most Front Range single-unit lots to ADUs, and every city applies its own lot-size, setback, and coverage standards. We verify your city's district standards first, then carry the project through three phases — design (site measure, concept, construction documents), permitting (municipal zoning and building review), and build — ending at a certificate of occupancy.
- Zoning verification against your city's district standards — minimum lot size, width, setbacks, and building coverage checked before any design work
- Three build paths — detached backyard cottage, garage conversion, or basement conversion — matched to your lot, budget, and how you plan to use the unit
- Concept design, construction documents, and the full municipal zoning and building permit sequence handled for you
- Realistic phasing — design, then permit review, then build — with schedule visibility through our own operations platform
- Full kitchen and bathroom build-out with independent HVAC and electrical service
- Tesla Solar Roof and Powerwall integration
- Rental-ready finishes, separate entrance, and certificate of occupancy at closeout
Service Area
Serving Lakewood and Jefferson County
We serve Lakewood, 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 Lakewood project.
FAQ
Common questions
How much does an ADU cost in Lakewood?
We don't put a single number here on purpose — the honest answer depends on your lot, the utility runs and the finish level. Our Instant Estimate reads the same published tier ranges we quote from and narrows them to your project in about two minutes: https://autotelic.build/estimate?trade=adu-backyard-cottage. It is an estimate, not a quote; after feasibility the build is quoted as a fixed-price proposal, so you know the number before work starts.
Garage conversion or detached backyard cottage?
Each has different zoning, cost, and site implications. We design all three and recommend based on your lot, budget, and how you plan to use the unit. In Lakewood's R-1-6 district the dimensional table sets 25 ft front, 5 ft side, 15 ft rear and 20 ft corner-side setbacks with a 35 ft principal-building height; ADU-specific size and height are not in our sourced tables yet, so we confirm them with the city before design. A garage or basement conversion reuses the structure you already have.
Should I build for a rental or for family?
The code limits on this page apply to the building no matter who lives in it — what changes is the layout and the specification. Our Premium tier is written as a rental-ready one-bedroom (complete kitchen, laundry, private entrance); family and multigenerational use more often points to a Studio ADU or a lofted Signature plan. Run the lot check for the size you are allowed, then the estimate for the tier price.
What are the drawbacks — permits, timeline, neighbors?
Two municipal reviews run in order: a zoning review confirming the unit fits your district’s standards, then a building permit review of the construction documents, with inspections during the build and a certificate of occupancy at the end. Lakewood building and construction permits are issued through the Public Works Department, and contractors must be registered with the city and hold a Lakewood contractor account before pulling permits. Permitting and inspections run through the city's eTRAKiT online system. We manage zoning review, the permit application and every inspection through certificate of occupancy.
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
- Punch Bowl SocialFirst four locations
- Spectrum RetirementSenior living communities
- Denver HighlandsFirst modular custom home
Let's design your perfect ADU / Backyard Cottage together
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