How much does adu construction cost in Lakewood, CO?

Most Lakewood homeowners spend between $160,500 – $321,000 on adu construction, with an average around $240,800. Local labor prices 7% above the national average, so Lakewood quotes tend to land at the higher end of national ranges.

Why is adu construction more or less expensive in Lakewood than elsewhere?

West metro crews price close to Denver proper. Hail and heavy snow loads affect roof design.

Do I need a permit for adu construction in Lakewood, Colorado?

City permits required for roofing and remodels. Always confirm current requirements with the local building department before signing a contract, and make sure the permit is pulled by your licensed contractor.

How many quotes should I get in Lakewood?

Get at least three written quotes from licensed, insured Colorado contractors. Comparing line items — not just the bottom line — is the fastest way to spot an inflated bid in the Denver market.

How much does adu construction cost in 2026?

Most homeowners pay between $150,000 and $300,000, with a national average near $225,000. Small, simple jobs land at the low end; large or premium-material jobs run well above the high end.

What is the cost per square foot?

Installed pricing usually runs $250.00 to $500.00 per square foot, including labor and materials. Expensive metros can run 15–45% higher than that range.

What drives the price up the most?

Scope and access. Larger quantities lower your per-square foot price, but difficult access, demolition of existing work, structural repairs found mid-job, premium materials and rush scheduling each add 8–30%.

Permits are typically required when the work changes structure or ties into electrical, plumbing, gas or mechanical systems. Budget $75–$600 in most cities and confirm whether your contractor pulls it — unpermitted work can block a future home sale.

How long does the job take?

Most residential projects of this type finish in one to five working days once materials are on site. Custom orders, inspections and weather are the usual causes of delay.

How many quotes should I get?

Three. Bids on the same scope commonly vary 20–40%, and the middle bid with the strongest warranty and references is usually the best value — the cheapest bid often excludes prep, disposal or permits.

Home/Cost guides/ADU Construction/Lakewood, CO

Denver · Colorado

ADU Construction cost in Lakewood, CO

Lakewood homeowners typically pay $160,500 – $321,000 for adu construction. Local labor and materials price 7% above the national average.

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Lakewood average

$240,800

Typical low

$160,500

Typical high

$321,000

Per square foot

$270 – $535

Sample ZIP

80226

What drives Lakewood pricing

Local labor

West metro crews price close to Denver proper.

Permits & code

City permits required for roofing and remodels.

Climate & conditions

Hail and heavy snow loads affect roof design.

Instant cost calculator

Adjust the inputs to see live pricing

ADU size (sq ft)600 square feet

Quality / material level

Site access

Removal / prep work

Timing

Estimated project cost

$142,500 – $193,800

Most homeowners pay around $168,150

Compare quality / material level

Cost by material in Lakewood

Installed Lakewood pricing per square foot.

Option	Installed cost	Pros	Cons
Prefab studio ADU	$250 – $340	—	—
Site-built 1-bedroom	$340 – $450	—	—
Site-built 2-bedroom	$450 – $580	—	—
Custom high-end ADU	$580 – $805	—	—

Where the money goes in Lakewood

A typical $240,800 Lakewood project, broken down by line item.

Labor0.45% · $1,084
Materials0.38% · $915
Permits & inspections0.05% · $120
Overhead & profit0.12% · $289

Common add-ons

Extras that show up on Lakewood quotes but rarely in the headline price.

Utility connections

$8,550 – $32,100

Site work and foundation

$16,100 – $64,200

Design and permits

$8,550 – $32,100

Impact fees

$2,150 – $21,400

Ways to save in Lakewood

Use pre-approved ADU plans where your city offers them — saves months and design fees.
Detach only if required; attached and conversion ADUs cost far less.
Collect three written bids on an identical scope — spreads of 20–40% are normal.
Book in the off-season and stay flexible on the start date to save 5–15%.
Bundle nearby work into one mobilization so you only pay setup and travel once.
Ask what the contractor would change to cut 10% without hurting durability.

Lakewood FAQs

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More Lakewood research

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ADU Construction cost near Lakewood

ADU Construction cost in Denver, CO

$163,500 – $327,000

ADU Construction cost in Aurora, CO

$157,500 – $315,000

ADU Construction cost in Boulder, CO

$177,000 – $354,000

ADU Construction cost in Arvada, CO

$159,000 – $318,000

ADU Construction cost in Westminster, CO

$159,000 – $318,000

ADU Construction cost in Centennial, CO

$162,000 – $324,000

More Colorado cities

Colorado Springs Fort Collins Greeley Pueblo Thornton Longmont Loveland

Other project costs in Lakewood

Fence Installation in Lakewood

$1,605 – $4,280

Roof Replacement in Lakewood

$9,095 – $36,380

Kitchen Remodel in Lakewood

$19,260 – $101,650

HVAC Replacement in Lakewood

$5,885 – $19,260

Deck Building in Lakewood

$4,708 – $12,840

Window Replacement in Lakewood

$482 – $1,605

See every Lakewood cost guide