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Garage Conversion in Golden

ADU Feasibility Consultation, $350

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Licensed garage conversion services for Golden and Jefferson County. Turn your garage into livable space.

What Golden requires

ADUs are permitted in the following residential zone districts in conjunction wi: R-E, R-1, R-1A, R-2, and R-3 (Municipal Code § 18.28.240; city ADU page). § 18.28.240

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Garage Conversion

Turn your garage into livable space

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.

  • ADU Feasibility Consultation

    An on-site review of your lot against local ADU zoning, setbacks, and utility access.

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

    What's included

    An on-site review of your lot against local ADU zoning, setbacks, and utility access. You get a verbal go/no-go read plus a one-page summary of constraints and next steps.

  • ADU Feasibility Package

    Site visit plus a written feasibility report: local ADU zoning check, buildable envelope sketch, utility routing notes, and a preliminary budget.

    $475 deposit to book, the rest when the work is done · morning (8–12) or afternoon (12–4)

    What's included

    Site visit plus a written feasibility report: local ADU zoning check, buildable envelope sketch, utility routing notes, and a preliminary budget. A documented go/no-go you can take to a lender.

FREE PLANNING TOOLS

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

Local Service

Garage Conversion Services in Golden, Colorado

Autotelic provides professional garage conversion services throughout Golden and the surrounding Jefferson 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 Golden (gateway to the mountains) or nearby communities, our team delivers quality workmanship, licensed and insured.

Permit Thresholds

Golden permit thresholds

Code reference
Building Permit Fees table (effective 05/01/11, as modified by resolutions).
Exterior
One-story detached accessory structures ≤200 sq ft (residential only); fences ≤7 ft tall (unless front yard, corner lot, or historic district); landscaping; minor roof or siding repairs/replacement (10% or less of total area); minor maintenance/repairs; painting; retaining/landscape walls ≤4 ft tall
Code reference
Retaining/landscape walls over 4 ft (or supporting surcharge) also trigger requirements, often needing engineering.
For homeowners doing their own work
materials cost × 2.
Building permit fees are calculated from a tiered table based on total valuation
$1–$500 = $25.85; higher tiers add per-$100 or per-$1,000 increments up to $1M+).
Additional plan review fee (when applicable)
65% of the permit fee.
Building use tax
3% use tax on building materials, stated as 1.5% of total valuation.

Codes are amended regularly — verify current requirements with **The City of Golden (specifically its Building Division/Building Department) issues residential building permits for properties within Golden city limits.

Zoning & ADU

Golden zoning & ADU quick facts

ADUs are permitted in the following residential zone districts in conjunction wi
R-E, R-1, R-1A, R-2, and R-3 (Municipal Code § 18.28.240; city ADU page).§ 18.28.240
Code reference
Lot coverage of all accessory structures must not exceed 10% of the lot area (§ 18.28.240).§ 18.28.240
Code reference
Specific numeric standards for max lot coverage %, max building height, ADU max size, and setbacks for the listed districts (or any form types within them) are not detailed in publicly available summaries of the code or related documents without direct access to the full current Municipal Code Title
Code reference
One reference notes aggregate total lot coverage limits applying to structures in RE, R-1, and R-1A districts, but the exact percentage is not specified in available sources.
Code reference
For precise, current standards, consult the full Golden Municipal Code (library.municode.com/co/golden/codes/municipal_code, Title 18) or contact the city, as the zoning code has undergone form-based updates.

Codes are amended regularly — verify current requirements with **The City of Golden (specifically its Building Division/Building Department) issues residential building permits for properties within Golden city limits.

Energy Code

Golden energy code quick facts

Code reference
2024 International Energy Conservation Code (IECC), adopted by the City of Golden with no energy-specific local amendments noted beyond the base code (and state electric-ready/solar-ready provisions where applicable).
Code reference
Golden (Jefferson County, climate zone 5B) lists the 2024 IECC among its adopted codes on the official Building Permit Process page.
Code reference
Adoption aligns with the city’s update to the 2024 I-Codes suite (effective after the July 22, 2025 council action referenced in related materials).
Code reference
The code applies to new construction, additions, and remodels/alterations as scoped in the IECC/IRC.
Code reference
Key prescriptive requirements (2024 IECC residential provisions, Table R402.1.2 / R402.1.3 and related sections, climate zone 5 / 5B; relevant to additions and remodels where the thermal envelope or systems are altered):
Ceiling/attic insulation
Minimum R-49 (or equivalent U-factor).
Code reference
(2024 IECC Table R402.1.3 / IRC N1102.1.3; note reduction from prior editions.)
Wood-frame wall insulation
R-20 + R-5 ci, or R-13 + R-10 ci, or R-0 + R-20 ci (or equivalent U-factor options).

Codes are amended regularly — verify current requirements with **The City of Golden (specifically its Building Division/Building Department) issues residential building permits for properties within Golden city limits.

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What garage conversion covers

Garage conversions in the Denver metro turn an attached or detached garage into conditioned living space or, where zoning allows, an accessory dwelling unit. Work typically includes insulation, new openings, electrical, HVAC, and often a bath or kitchen. Parking on the lot still has to satisfy zoning. A municipally licensed Denver general contractor coordinates the project and licensed specialty trades. Cost is project-specific and depends on attached versus detached, ADU versus extra rooms, and how much of the envelope changes.

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What buyers should prepare

Attached versus detached, living space versus ADU, whether a bath or kitchen is included, and how parking will be handled.

FAQ

Common questions

How much does ADU Feasibility Consultation cost in Golden?

$350.

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 garage conversion permits and licensing?

A municipally licensed Denver general contractor coordinates the project, design professionals, and specialty trades. Colorado has no statewide general contractor license.

Is extra living space the same as an ADU?

No. Extra rooms for the main house stay one dwelling. An ADU is a separate dwelling and is only allowed in districts that permit it.

What information helps define scope?

Attached vs detached, ADU vs extra rooms, parking plan, and city or county.

Service Area

Serving Golden and Jefferson County

We serve Golden, 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 Golden project.

How It Runs

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Survey

02

Design

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Build

04

Verify

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