Quick Answer

Basement Finishing Cost in Denver (2026)

Average cost in Denver

$60,755avg

$15,870 – $105,800

$45 – $100 per sq ft

In Denver, the average is $60,755 and most projects cost between $15,870 and $105,800, or about $45 – $100 per sq ft. Prices are before tax and based on 10 sources.

+4.75% YoY
10 sources
Updated 1 months ago
Front Range

Cost Breakdown

Itemized
Framing and Drywall

Walls, insulation, and ceiling finish

$4,000 – $26,500

25%

Electrical and Lighting

Wiring, outlets, and recessed lighting

$2,400 – $15,800

15%

Plumbing and HVAC

Bathroom rough-in and vent extensions

$2,400 – $15,800

15%

Flooring and Interior Finishes

LVP, carpet, trim, and painting

$3,200 – $21,100

20%

Labor and Project Management

General contractor and trade labor

$3,100 – $21,200

20%

Permits and Design

City of Denver fees and blueprints

$770 – $5,400

5%

🧾Sales Tax (2.9%) — Colorado
Base cost + $1,762 tax$62,517

Sales Tax at 2.9%

📋What's Included

Scope

Typically Includes

  • Framing & drywall
  • Basic flooring (LVP or carpet)
  • Electrical (outlets & lighting)
  • Egress window (if required)
  • Painting
  • Basic bathroom rough-in

Typically Excludes

  • Full basement bathroom
  • Built-in bar or kitchen
  • Home theater wiring
  • Waterproofing (separate cost)
  • Permits & inspections

Assumes an unfinished basement with existing concrete floor and basic utilities.

🧮Estimate your project

Live
sq ft
Finish Level
Include Bathroom?
Include Wet Bar?

Your estimate in Denver

$60,755

Likely range $27,340 – $105,801

  • Framing and Drywall25%$15,189
  • Electrical and Lighting15%$9,113
  • Plumbing and HVAC15%$9,113
  • Flooring and Interior Finishes20%$12,151
  • Labor and Project Management20%$12,151
  • Permits and Design5%$3,038

Basic (rec room)

$42,264

Standard (bedroom + bath)

$60,755

Premium (full suite)

$86,641

Get quotes for this project →

Calibrated to 10 researched sources for Denver. Before tax. Real quotes vary with site conditions.

📈Price Momentum

Year-over-year

~1 year ago

$58,000

Today

$60,755

Basement Finishing in Denver is ↑ 4.8% compared to roughly a year ago — about $2,755 more on the average project.

Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.

🏢Top Basement Finish Contractors in Denver

Verified providers
🔨

River North Basement Co

3629 Jason St, Denver, CO 80211, USA

5.0
★★★★★

8 reviews

🔨

B&B Design Build (Basements & Beyond)

921 Santa Fe Dr, Denver, CO 80204, USA

4.9
★★★★½

68 reviews

🔨

ElkStone Basements

11 Inverness Way S, Englewood, CO 80112, USA

4.8
★★★★½

512 reviews

🔨

Affordable Basement Finishing

1140 US-287, Broomfield, CO 80020, USA

4.6
★★★★½

31 reviews

Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.

💬What People Actually Paid

Community

❓Common Questions

Adding a full bathroom typically costs between $8,000 and $15,000 in 2026. The price is lower if the home was built with a plumbing rough-in already in place, while adding a sewage ejector pump can add $2,000 to $4,000 to the total.

Yes, Denver building code requires at least one egress window for any basement bedroom. A complete installation, including excavation and the window well, typically ranges from $3,500 to $8,000 per window.

Homeowners should budget between $600 and $2,500 for standard basement permits in Denver. More complex projects involving structural changes or extensive new plumbing can see permit and inspection fees climb as high as $6,000.

A professionally finished basement in Denver currently yields a 70% to 75% return on investment (ROI). It is considered one of the highest-value home improvements in the Front Range due to the high demand for additional livable square footage.

📊Our Methodology

How we collect data
1

Aggregated from 5+ verified web sources and cost databases

2

Licensed contractor estimates and regional cost guides

3

Government construction and labor statistics

4

Community-reported project costs and reviews

Last data collection: 1 months ago. Updates run weekly. All costs in USD.

About this data

Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.

Spotted bad data? Let us know — we'll review and update.