Basement Finishing Cost in Denver (2026)
Average cost in Denver
US$15,870 — US$120,000
US$45 — US$105 per sq ft
Cost Breakdown
ItemizedFraming, electrical, and plumbing trades
40%
Drywall, LVP/carpet, and paint
30%
Wet bars, vanities, and bathroom hardware
15%
Soil movement and radon mitigation
10%
Denver city plan review and inspections
5%
Sales Tax at 2.9%
📋What's Included
ScopeTypically 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 Cost
InteractiveEstimated Cost
US$28,356 — US$42,534
Based on 9 sources and market data for Denver. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$59,200
Today
US$62,515
Basement Finishing in Denver is ↑ 5.6% compared to roughly a year ago — about US$3,315 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 providersMile High Masters Remodeling
10870 Worchester St, Commerce City, CO 80022, USA
38 reviews
B&B Design Build (Basements & Beyond)
921 Santa Fe Dr, Denver, CO 80204, USA
66 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
In the 2026 Denver market, homeowners can expect an ROI of 70% to 86%. This is higher than the national average because finished square footage is highly valued in the competitive Front Range real estate market.
The City and County of Denver typically charges between $600 and $4,000 for basement permits. Fees are calculated based on the total project valuation, with plan review fees often adding an additional 50% to 65% to the base permit cost.
Yes. Due to local geology, radon mitigation systems are common and cost between $1,500 and $3,000. Additionally, Denver's expansive clay soils may require structural floor systems or specific framing techniques that can add $5,000+ to the base cost.
Adding a full bathroom typically costs between $15,000 and $25,000 in 2026. If the basement already has rough-in plumbing, costs may drop toward the $8,000 to $12,000 range.
Yes, Denver building codes require at least one egress window for any room used as a bedroom. Installing a new egress window in an existing concrete foundation typically costs between $2,500 and $5,000 per window.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 2 weeks 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.