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Home / Services / Basements

Make room for more

Basement Remodeling & Finishing

Turn an unfinished or outdated basement into space your family can use every day. Zajac Home Improvement plans basement renovations around the way you live, the condition of your home and the details below the surface.

Request an Estimate →Call 631-225-7005
Family owned.
Since 1986.

Based in Lindenhurst, New York. Serving homeowners on Long Island, in New York City and throughout our Connecticut service areas.

The right starting point

A comfortable basement starts with the right foundation.

Before choosing flooring or wall colors, consider moisture, ceiling height, utility access and how the room will be used. A family room, home office or exercise area each needs a different balance of lighting, storage and circulation. We help define those priorities so the finished space feels connected to the rest of your home.

Explore your basement project

Family rooms & gathering spaces

Create room for movie nights, games and everyday relaxation with a layout that keeps circulation and storage in mind.

Home offices & flexible rooms

Plan lighting, outlets and separation from busy areas for work, hobbies or changing family needs.

Walls, ceilings & finishes

Coordinate framing, insulation, drywall, trim and flooring selections with existing conditions and the intended use.

Storage & utility access

Build organization into the plan while keeping mechanical equipment, shutoffs and service areas accessible.

Plan with confidence

Details to discuss before work begins

Moisture before finishes

Tell us about past leaks, damp walls or odors. The source of moisture needs to be evaluated before it is covered by new finishes.

Comfort throughout the year

Discuss insulation, ventilation, heating and cooling as part of the room plan, rather than treating them as finishing touches.

Intended use matters

Bedrooms, bathrooms or separate living arrangements need a review of the property and applicable approvals before they are included in the scope.

What shapes the estimate?

Basement size, demolition, moisture conditions, ceiling configuration, bathroom additions and finish selections all affect the estimate. Photos of the entire space, utility areas and any water damage help us begin a useful conversation.

Start with your project address, photos, priorities and preferred timing. We review the proposed scope and selections with you before moving forward.

Tell Us About Your Project →

Basements: helpful answers

Can you finish a basement that has had water problems?

We start by reviewing the history and visible conditions. Moisture concerns need a suitable plan before framing and finishes are installed; a finished wall is not a remedy for an unresolved leak.

Can I add a bedroom or bathroom?

Discuss the intended use at the outset. Layout, exits, plumbing, ventilation and required approvals determine what can be included. We do not assume every basement can become a bedroom or separate apartment.

What should I prepare for an estimate?

Share approximate dimensions, photos, your preferred use, existing utilities and any history of water entry. Tell us which items need to remain and whether you plan to live in the home during construction.

Plan the improvements together

Considering more than one part of your home? Explore related services and discuss how the work can be coordinated.

Bathrooms →Painting →Windows →

Find your service area

Explore our New York and Connecticut coverage, then send us your address and project details to discuss the next step.

New York service areas →Connecticut service areas →

Let's talk about your home

Your next improvement starts here.

Request an Estimate →
ZAJACHome Improvement

Family owned and operated since 1986. Interior remodeling and exterior improvements for homeowners on Long Island, in New York City and in Connecticut.

145 South Clinton Avenue
Lindenhurst, NY 11757

Explore Our Services

BasementsBathroomsDecksDoorsKitchensPaintingRoofingSidingSkylightsWindows
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Contact Our Team

Office
631-225-7005
Ed · Call or Text
631-680-1135   Text Ed →
Email
edjr@zajachi.com

Contractor Licenses

Suffolk County, NYH-37921
Nassau County, NYH18G9410000
New York City1271223-DCA
ConnecticutHIC.0703043
City of Long Beach, NY14295
© 2026 Zajac Home Improvement, Inc. All rights reserved.
HomeServicesRequest an Estimate
  • Home
  • Services
    • Basements
    • Bathrooms
    • Decks
    • Doors
    • Kitchens
    • Painting
    • Roofing
    • Siding
    • Skylights
    • Windows
  • Estimate Request