Basement Finishing Cost in Phoenix (2026)
Average cost in Phoenix
$15,000 – $100,000
$24 – $65 per sq ft
In Phoenix, the average is $42,597 and most projects cost between $15,000 and $100,000, or about $24 – $65 per sq ft. Prices are before tax and based on 9 sources.
Cost Breakdown
ItemizedSkilled trades and general labor
35%
Lumber, drywall, paint, and hardware
30%
LVP, carpet, and trim work
15%
Wiring, lighting, and bathroom rough-ins
12%
City of Phoenix PDD fees
5%
Unexpected repairs and moisture control
3%
Sales Tax at 5.6%
📋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 project
LiveYour estimate in Phoenix
Likely range $19,169 – $93,713
- Labor35%$14,909
- Materials30%$12,779
- Flooring & Finishes15%$6,390
- Electrical & Plumbing12%$5,112
- Permits & Inspections5%$2,130
- Contingency3%$1,278
Basic (rec room)
$29,633
Standard (bedroom + bath)
$42,597
Premium (full suite)
$60,747
Calibrated to 9 researched sources for Phoenix. Before tax. Real quotes vary with site conditions.
📈Price Momentum
Year-over-year~1 year ago
$40,338
Today
$42,597
Basement Finishing in Phoenix is ↑ 5.6% compared to roughly a year ago — about $2,259 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 Phoenix
Verified providersPhoenix Home Remodeling
6700 W Chicago St #1, Chandler, AZ 85226, USA
137 reviews
P. J. Hussey Construction
3855 W Glendale Ave #110, Phoenix, AZ 85051, USA
138 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
Yes, the City of Phoenix Planning & Development Department requires permits for structural, electrical, and plumbing alterations. Permit fees typically range from $500 to $1,500, and skipping them can result in penalties up to $2,500 per day.
Extreme summer heat (110°F+) often requires contractors to schedule concrete pours in the early morning and use heat-rated materials. Additionally, Phoenix's expansive clay soils often require post-tension slab considerations, which can add to structural costs.
In 2026, a finished basement in Phoenix typically yields a 70% to 86% return on investment. It is considered one of the best-value ways to add livable square footage compared to a full home addition.
For any basement area intended as a bedroom, Phoenix code requires an egress window. These typically cost between $2,700 and $5,900 each, including professional installation and necessary excavation.
📊Our Methodology
How we collect dataAggregated from 8+ 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: 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.