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Basement Finishing & Remodeling Cost in Lewiston, ID
Detailed pricing guide with local market adjustments and material comparisons
Lewiston Average
$17,000–$51,000
Market Tier
Small City
Cost Breakdown
Basement Finishing & Remodeling Cost in Lewiston
Small CityLowAverageHigh
$17,000$34,000$51,000
Market Tier
Small City (0.85x)
Small city with below-average costs
Material Cost Comparison
Framing lumber(Budget)
$12,750–$38,250Insulation(Mid-Range)
$17,000–$51,000Drywall(Premium)
$23,800–$71,400Factors that affect your cost
- Basement square footage
- Scope of finish (basic vs full suite)
- Bathroom addition
- Kitchen or wet bar addition
- Egress window installation
- Ceiling height and type
- Moisture control required
- Permit and inspection costs
- HVAC extension
- Electrical and plumbing additions
Get Quotes in Lewiston
Lewiston Housing Market
Median Household Income
$71,047
Median Home Value
$290,900
Median Rent
$938/mo
Homeownership Rate
70%
Population
34,471
Median Year Built
1970
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Renovation
Basement Finishing & Remodeling
Date
April 2026
Cost
$34,000
Vendor
Your local pro
Warranty
5-year material warranty
Lewiston average: $17,000–$51,000
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Framing lumberInsulationDrywallFlooring (LVP or carpet)
Warranty Details
5-year material warranty
Auto-Checkup Created
"Basement Moisture Check" — every 12 months
Added by youApril 2026
Property Health Score
Good
85
interior category +15 pts(70 → 85)
Documentation19/25
Maintenance20/25
Warranty22/25
Investment21/25
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
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I found several remodeling contractors in your area. Here are the top results:
SM
Smith & Sons
Connectedremodeling contractor
4.9(47)
BookQuote
JR
J&R Home Services
remodeling contractor
4.7(23)
From $95/hr
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Title:remodeling
Category:remodeling contractor
Date:2026-04-09
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Cost FAQ
What is the average cost of basement finishing & remodeling in Lewiston?
The average cost of basement finishing & remodeling in Lewiston, ID ranges from $17,000 to $51,000. The final price depends on Basement square footage, Scope of finish (basic vs full suite), Bathroom addition.
What factors affect basement finishing & remodeling cost?
Key factors include: Basement square footage, Scope of finish (basic vs full suite), Bathroom addition, Kitchen or wet bar addition, Egress window installation, Ceiling height and type, Moisture control required, Permit and inspection costs, HVAC extension, Electrical and plumbing additions. In Lewiston, local labor rates and material availability also influence pricing.
How do I get accurate quotes for basement finishing & remodeling in Lewiston?
Get at least 3 quotes from licensed professionals in Lewiston. Use Fizbo SmartSearch to find and compare local remodelings, read reviews, and request estimates — all in one place.