Basement Finishing Hempstead NY

Hempstead Basement Contractor β€” LI Basement Pro

Basement Finishing Hempstead NY

Basement finishing and waterproofing in Hempstead, NY. We've worked throughout the Town and Village of Hempstead, addressing the water intrusion challenges common in this area.

β˜…4.9 β€” 187 Reviews
🏠580+ Basements Done
βœ“Licensed & Insured
πŸ†BSI Certified

Mon–Sat, 7am–5pm Β· Free Estimate Β· No Obligation

Free Estimate β€” No Obligation

Get Your Free Basement Estimate

Responds within a few hours Β· Mon–Sat 7am–5pm

Or call directly: (631) 625-8649 Β· Free Estimate Β· No Obligation

580+ Basements Completedβ€”4.9 Stars β€” 187 Google Reviewsβ€”15 Years on Long Islandβ€”Licensed & Insuredβ€”BSI Certified Dealerβ€”EPA Lead-Safe Certifiedβ€”NARI Memberβ€”14-Person Crewβ€”Nassau & Suffolk Licensedβ€”Permits Handled For Youβ€”580+ Basements Completedβ€”4.9 Stars β€” 187 Google Reviewsβ€”15 Years on Long Islandβ€”Licensed & Insuredβ€”BSI Certified Dealerβ€”EPA Lead-Safe Certifiedβ€”NARI Memberβ€”14-Person Crewβ€”Nassau & Suffolk Licensedβ€”Permits Handled For Youβ€”

Hempstead, NY

Basement Finishing & Waterproofing in Hempstead, NY

Basement finishing in Hempstead NY by LI Basement Pro

Hempstead β€” both the Town (one of New York's largest towns by population) and the Village β€” presents a wide variety of basement types and challenges. The community's housing stock ranges from 1920s–1930s homes in the older village areas to postwar construction in surrounding hamlets.

Water intrusion is particularly common in lower-lying Hempstead neighborhoods. The area's proximity to the Hempstead Plains and relatively low elevation in some sections means groundwater can be a significant issue. We assess every Hempstead basement for moisture before recommending a finishing approach, and we frequently recommend interior drainage systems as a prerequisite for finishing.

The Village of Hempstead has its own building department with specific permit requirements separate from the Town of Hempstead. Our Karen navigates both systems regularly.

We've completed egress window installations, full basement finishing projects, emergency water damage responses, and sump pump installations throughout Hempstead and surrounding communities including West Hempstead, South Hempstead, and Uniondale. Our response times are fast for Hempstead emergency calls β€” we're never far away.

Services in Hempstead

Nearby Towns We Also Serve

Get a Free Estimate in Hempstead

We visit Hempstead homes for free, no-obligation estimates. Mon–Sat, 7am–5pm.

πŸ“ž (631) 625-8649Request Online

βœ“ Nassau County Licensed

βœ“ 4.9 Stars Β· 187 Google Reviews

βœ“ Free estimate Β· No obligation

βœ“ Permits handled for you

Verified Local Work

Recent Basement Jobs Near Hempstead

Real jobs completed by our crew across Nassau and Suffolk Counties.

Water Damage Restoration in Hempstead NY
Water Damage Restoration
Hempstead, NYJan 2026

Emergency basement flood response β€” drying, mold prevention, full remediation

Egress Window Installation in Hempstead NY
Egress Window Installation
Hempstead, NYAug 2025

Two egress windows on opposite walls, code-compliant to Nassau County standards

Basement Waterproofing in Nissequogue NY
Basement Waterproofing
Nissequogue, NYApr 2026

Full perimeter exterior waterproofing membrane on 1972 colonial estate β€” 180 linear feet, rubberized membrane with drainage board and footing drain

Basement Finishing in Hicksville NY
Basement Finishing
Hicksville, NYMar 2026

650 sq ft basement with LVP flooring, recessed lighting, and egress window

Basement Waterproofing in Levittown NY
Basement Waterproofing
Levittown, NYMar 2026

Interior drainage system + dual sump pump installation on cape-style home

Basement Finishing in Commack NY
Basement Finishing
Commack, NYFeb 2026

800 sq ft basement with home office, bathroom rough-in, and drop ceiling

Egress Window Installation in Garden City NY
Egress Window Installation
Garden City, NYFeb 2026

Two egress windows with full excavation and waterproofed window wells

Sump Pump Installation in Hauppauge NY
Sump Pump Installation
Hauppauge, NYFeb 2026

Battery backup sump pump system after basement flooding

Got Questions?

Basement Finishing FAQs β€” Hempstead, NY

Every basement is different β€” size, condition, finish level, and permit requirements all affect the price. We give free on-site estimates for all Hempstead homeowners. Call us or request online and we'll come out to measure and give you an accurate, detailed quote with no obligation.

Get Started Today

Ready to Transform Your Long Island Basement?

Join 580+ Long Island homeowners who chose LI Basement Pro. Free estimates, no pressure, no obligation.

Mon–Sat, 7am–5pm Β· Free Estimates Β· No Obligation Β· Licensed & Insured