Basement Renovation Long Island

Long Island's Basement Experts Since 2011

Basement Renovation Long Island

Update and improve your existing finished basement without a full gut renovation. LI Basement Pro handles targeted renovations across Nassau and Suffolk Counties.

4.9 — 187 Reviews
🏠580+ Basements Completed
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4.9 Stars — 187 Google Reviews·🏠580+ Basements Completed·📅15 Years on Long Island·Licensed & Insured·🏆BSI Certified Dealer·🌿EPA Lead-Safe Certified·🔨NARI Member·👥14-Person Crew·🔒Nassau & Suffolk Licensed·4.9 Stars — 187 Google Reviews·🏠580+ Basements Completed·📅15 Years on Long Island·Licensed & Insured·🏆BSI Certified Dealer·🌿EPA Lead-Safe Certified·🔨NARI Member·👥14-Person Crew·🔒Nassau & Suffolk Licensed·

Targeted Basement Updates

Renovate Without a Full Gut — Smart Updates for Long Island Basements

Renovated basement with updated flooring and lighting Long Island

Not every Long Island basement needs a full gut renovation. Sometimes the bones are good — solid framing, decent layout, existing bathroom — but the finishes are dated. New LVP flooring over old carpet, fresh drywall over paneled walls, updated LED recessed lighting in place of old fluorescents. These targeted renovations can transform the feel of your basement at a fraction of a full remodel cost.

We assess every renovation project on its merits. If the underlying structure is sound and the existing finishes just need updating, we'll tell you that — and give you a renovation approach that maximizes value for your budget.

Common Basement Renovation Projects

Flooring Replacement

Remove old carpet, replace with LVP or tile. Best ROI upgrade for most basements.

$3,000–$8,000

Ceiling Update

Replace old ceiling tiles or paneling with modern drop ceiling or drywall.

$2,000–$6,000

Lighting Upgrade

Install LED recessed lighting in place of old fluorescent fixtures.

$1,500–$4,000

Bathroom Renovation

Update fixtures, tile, vanity, and lighting in existing basement bathroom.

$5,000–$15,000

Wall Update

Drywall over old paneling or fresh paint and trim package.

$2,000–$6,000

Full Renovation

Comprehensive updates to all systems without full structural demo.

$15,000–$45,000

Renovation Costs

Flooring only$3,000–$8,000
Lighting upgrade$1,500–$4,000
Bathroom update$5,000–$15,000
Full renovation$15,000–$45,000
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Verified Local Work

Recent Basement Projects on Long Island

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

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

Basement Finishing in Mineola, NY
🏠 Basement Finishing
Mineola, NYFeb 2026

550 sq ft playroom/guest suite conversion with full drywall and LVP

Got Questions?

Basement Renovation FAQs — Long Island

Renovation typically means updating and improving an existing space without tearing everything down. This could be new flooring over existing subfloor, updated lighting, fresh paint, new ceiling tiles, or a bathroom update. Remodeling implies a more comprehensive gut-and-rebuild. We offer both.

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Ready to Transform Your Long Island Basement?

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