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BRIGHTON SERVICES

Garage Conversion in Brighton

ADU Feasibility Consultation, $350

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Licensed garage conversion services for Brighton and Adams County. Turn your garage into livable space.

What Brighton requires

Brighton, Colorado (City of Brighton building department) requires a building pe: Any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish or change the occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace any electrical, gas, mechanical or plumbing system... §R105.1

See full local requirements ↓
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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 Brighton, Colorado

Autotelic provides professional garage conversion services throughout Brighton and the surrounding 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 Brighton (northeast Denver metro) or nearby communities, our team delivers quality workmanship, licensed and insured.

Permit Thresholds

Brighton permit thresholds

Brighton, Colorado (City of Brighton building department) requires a building pe
Any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish or change the occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace any electrical, gas, mechanical or plumbing system...§R105.1
Code reference
This is codified in Brighton Municipal Code (BMC) Chapter 15 (Buildings and Construction), particularly Article 15-28 (International Residential Code adoption and amendments).
Building
One-story detached accessory structures (e.g., sheds, playhouses) ≤ 200 sq ft floor area (zoning must still be met); retaining walls ≤ 4 ft high (footing to top); painting, papering, tiling, carpeting, cabinets, countertops, and similar finish work; prefabricated swimming pools < 24" deep; swing set
Electrical
Listed plug-and-cord temporary decorative lighting; replacement of a circuit breaker (same location/capacity); low-voltage wiring/devices (< 25 volts, ≤ 50 watts); minor repairs like changing bulbs or same-location fixture/outlet replacement.
Notes on exemptions and triggers
The FAQ lists slightly varying shed thresholds (e.g., < 120 sq ft in one place); the dedicated permit guide (200 sq ft) is the more specific reference.
Code reference
Any structural alteration, enlargement, or repair affecting the structure generally triggers a permit under the broad “alter/repair” language of R105.1 (no separate valuation-based threshold or explicit “structural trigger” list beyond this).
Use tax/fee basis
Use tax is 3.75% applied to 50% of the project valuation (materials + labor).

Codes are amended regularly — verify current requirements with **The City of Brighton (specifically its Community Development/Building Division) issues residential building permits.

Zoning & ADU

Brighton zoning & ADU quick facts

Code reference
Most common single-family residential districts in Brighton, CO, include R-1 (Single-Family Residential), R-1A (Single- and Two-Family Residential), and R-1B (City Neighborhood Residential), per LUDC Article 4 (Table 4-1 and related intent descriptions).
Code reference
Numeric standards (lot coverage/open space, height, ADU rules, setbacks) are primarily in LUDC Article 5 (esp.
Code reference
Table 5-2 Residential District Building Type & Development Standards, as amended) and Article 4.03(B) (Accessory Dwelling standards, as amended by the 2025 ordinance).
Code reference
Data is drawn from district tables and use-specific rules; exact per-district lot coverage % and some setbacks are table-based and qualified below where extractable.
A/R (rural/agricultural residential, less common but relevant for large lots)
80% open space.
Typical suburban/neighborhood detached house districts (R-1 and similar)
65% open space.
More compact or higher-density residential (R-1B, R-2 contexts)
40% or lower open space (higher coverage allowed).
R-1 and similar low-density suburban
35 ft / 2.5 stories.

Codes are amended regularly — verify current requirements with **The City of Brighton (specifically its Community Development/Building Division) issues residential building permits.

Energy Code

Brighton energy code quick facts

Code reference
2021 IECC (no specific local energy code amendments identified beyond the base code and any applicable state requirements).
Code reference
Brighton’s official codes page explicitly lists the International Energy Conservation Code 2021 (alongside the other 2021 I-Codes).
Code reference
Colorado state law (e.g., HB 22-1362) requires adoption of the 2021 IECC (plus electric/solar ready provisions) when updating other building codes, but Brighton’s published list aligns with the 2021 edition without further local overrides described.
Code reference
Brighton is in Climate Zone 5B (standard for the Denver-metro/Adams County area).
Code reference
Key prescriptive requirements relevant to remodels/additions are drawn from the 2021 IECC (base code) for CZ 5B.
Code reference
Specific numeric values and sections are not detailed in Brighton’s public code listings or amendments pages; refer directly to the 2021 IECC Table R402.1.2 (or equivalent) and related sections for wall/ceiling insulation R-values or U-factors, air-sealing thresholds (typically tested or prescriptiv
Code reference
The city adopts the 2021 IECC via its standard building code adoption process (see codes page and related ordinances adopting the 2021 I-Codes).
Construction use tax
City of Brighton imposes a 3.75% city use tax on construction and building materials (paid on an estimated basis at permit issuance; contractors track and reconcile actuals; present permit to suppliers to avoid duplicate city sales tax).

Codes are amended regularly — verify current requirements with **The City of Brighton (specifically its Community Development/Building Division) issues residential building permits.

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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 Brighton?

$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 Brighton and Adams County

We serve Brighton, 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 Brighton project.

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