Lancaster County, PA’s Best Full Service General Contractor

When you need expert home improvement services, KSW is the go-to partner for Lancaster County property owners. Whether you want a home remodel, roof replacement, or beyond, our technicians will provide you with something that is built to last. Because our core values of knowledge, stability, and workmanship aren’t for show — they’re what we live by in every project we complete. (Our referrals and reviews can speak to that!)

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Lancaster's best roofing company stands in front of their work vehicle.

See What Others Are Saying About Our Expert Services

5 star rating

Roof Repair, Gutter Installation, Storm Damage

Great work, responsive team, patient. Worked with me and my insurance claim while also doing some retail work within it. 100% would recommend.

I’ll be giving them the opportunity to bid on some upcoming projects I have as well! Feel confident with them!

Doug Taylor / Review from Google
5 star rating

Asphalt Shingle Roof Replacement

“Absolutely amazing company. We’ve had a few projects they did for us and I couldn’t imagine going anywhere else. They are professional, reasonable prices, the crews are respectful. Wilmer and Randy are so patient and easy to work with. I would give them more then 5 stars if possible. Can’t wait for our next project in a few weeks”

Rhonda R. / Review from Home Advisor

Beyond Just Roofing

Our technicians are experts in both commercial and residential roof repair and replacement. Plus, we have extensive experience doing storm repair and can support you through the restoration process. Our company provides: asphalt, cedar, slate, metal, EPDM rubber, standing seam metal, and corrugated metal roofs.

Looking for a full service general contractor? We also provide home additions, remodeling, siding repair, window installation, and more in Lancaster County, PA. Get your interior and exterior needs met, all in one place.

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Why Choose Us?

  • Industry-leading warranties
  • ShingleMaster™ certified (as a part of 1% of roofers in the US with this prestigious accreditation
  • A national leader in CertainTeed Roofing installation
  • 50 years of combined experience
  • Expertise in interior and exterior work
Shingle Master Badge

See Some Of Our Latest Work In Lancaster County

Get in touch

We are a team of dedicated professionals committed to delivering absolute excellence in every aspect of the construction process. Our expertise will help you with any project no matter how large or small. Ask us about our current specials and offers! PA License: PA107156

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RESIDENTIAL Roofing

STORM DAMAGE REPAIR

EXTERIOR Siding

RAMPS & DECKS

HOME REMODELING

HOME ADDITIONS

KITCHEN & BATH REMODELING

Window Replacement

icon of a house with a commercial buildign behind it

Commercial Services

Knowledge

You'll receive expert guidance on a range of product options to fit your needs and budget.

Stability

You'll experience a job well done in a timely manner, building a strong foundation of trust.

WORKMANSHIP

All details matter, from start to finish. Our team’s professional touch shows our commitment to you.