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Basement Finishing & Remodeling Cost in Central Islip, NY
Detailed pricing guide with local market adjustments and material comparisons
Central Islip Average
$17,000–$51,000
Market Tier
Small City
Cost Breakdown
Basement Finishing & Remodeling Cost in Central Islip
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 Central Islip
Central Islip Housing Market
Median Home Price
$599,000
Homes for Sale
30
Price per Sq Ft
$466
Local Pros
540
Home Service Professionals Near Central Islip
multimedia_specialist 79Landscapers 76Cleaners 70Movers 68Stagers 66Flooring 61Inspectors 60lender 60
Median Household Income
$110,166
Median Home Value
$405,000
Median Rent
$2,106/mo
Homeownership Rate
77.1%
Population
37,751
Median Year Built
1969
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
Central Islip 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
88
interior category +15 pts(73 → 88)
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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Find a remodeling near me
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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:2026-04-08
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Cost FAQ
What is the average cost of basement finishing & remodeling in Central Islip?
The average cost of basement finishing & remodeling in Central Islip, NY 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 Central Islip, local labor rates and material availability also influence pricing.
How do I get accurate quotes for basement finishing & remodeling in Central Islip?
Get at least 3 quotes from licensed professionals in Central Islip. Use Fizbo SmartSearch to find and compare local remodelings, read reviews, and request estimates — all in one place.