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Keenan Custom Homes

Keenan Custom Homes

General Contractors
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About Us

23 years in business
Family owned
Award winning
Industry-Leading General Contractors in East Islip, New York
Welcome To Keenan Custom Homes Irish artisans at their finest, with Irish hospitality to go along with it. With a supreme attention to detail and an owner/operator with old world training, all of Keenan Custom Homes projects are set apart from a standard construction company in their supreme attention to detail. We look forward to working with you on your next project! Keenan Custom Homes is a professional custom home construction company proudly serving the South Shore of Long Island. Founded by Padraig and Sara Keenan, this husband-and-wife team is quickly becoming known as the Chip and Joanna Gaines of Long Island—blending expert craftsmanship with creativity, vision, and heart. Fully licensed, insured, and bonded, Keenan Custom Homes brings peace of mind to every project. Since 2008, we’ve built a reputation for exceptional quality by hiring only the most skilled tradespeople and fostering strong relationships with local town inspectors—often streamlining and accelerating the construction process. Our work speaks for itself, and we’d be honored to help bring your dream home to life.

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Business Details

Business Name

Keenan Custom Homes

Phone Number

(631) 514-9659

Website

www.keenancustomhomes.com/

Address

115 E. Main Street
Suite 2
East Islip, NY 11730

Typical Job Cost

$15,000 - 200,000

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Services Provided

Home Remodeling

Bathroom Remodeling

Kitchen Remodeling

General Contracting

Home Additions

Custom Homes

New Home Construction

Home Extensions

Deck Building

Basement Remodeling

Guesthouse Design & Construction

Garage Building

Flooring Installation

Home Restoration

Pool House Design & Construction

Porch Design & Construction

Multigenerational Homes

Custom Home Bars

Countertop Installation

Roof Replacement

Energy-Efficient Homes

House Framing

Green Building

Attic Conversion

Shower Installation

Siding Installation

Deck Repair

Exterior Door Installation

Drywall Installation

Laminate Flooring Installation

Demolition

Roof Installation

Foundation Construction

Attic Restoration

Crown Molding Installation

Shed Design & Construction

Masonry

Baseboard Installation

Roof Repair

Brick Masonry

Cedar Siding

Insulation Installation

Foundation Repair

Floor Leveling

Radiant Floor Heating

Linoleum Flooring Installation

Aluminum Siding

Roof Flashing Installation

Range Hood Installation

Chimney Construction

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Areas Served

Islip

Oyster Bay

Huntington

Smithtown

Southampton

Brentwood

Central Islip

Commack

Huntington Station

Bay Shore

East Hampton

North Bay Shore

Sayville

East Islip

Bohemia

Bayport

Oakdale

East Hills

Islip Terrace

West Sayville

Montauk

Lloyd Harbor

North Great River

Brightwaters

Sag Harbor

Great River

Water Mill

Oyster Bay Cove

Bellport

Bridgehampton

Mill Neck

Old Field

Quogue

Amagansett

Wainscott

Sagaponack

Old Fields

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Credentials

1 Houzz Badge
Houzz Pro Software User
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Reviews

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Frequently Asked Questions

Yes, Keenan Custom Homes is fully licensed, bonded, and insured. We prioritize your peace of mind by ensuring every project we undertake meets all necessary legal and safety requirements. This commitment to being fully covered allows us to deliver exceptional quality and service with confidence.

Yes, we work closely with local town inspectors and manage the necessary processes to streamline your project. While we don't explicitly state handling permits, our strong relationships with inspectors and comprehensive service approach ensure a smooth construction process for you.

We specialize in custom home remodels and new home builds, bringing our old-world craftsmanship to every project. Our expertise covers a wide range, including kitchen and bathroom renovations, basement finishing, home additions, and exterior upgrades like windows, siding, and doors. We handle projects of all scales.

We help prevent projects from going over budget by providing free quotes and discussing all costs upfront. Our team works with you to explore solutions and alternatives that align with your financial comfort zone, ensuring quality without unexpected expenses. Your budget is important to us.

Absolutely, we handle full home additions and major renovations. No project is too big or too small for us. From seamless home extensions to complete home transformations, our skilled team is equipped to bring your vision to life, ensuring precision and craftsmanship in every detail.

FAQ content may be generated based on the Pro's Houzz profile and website.

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