Design Build Remodeling - Harth Builders

Serving Homeowners Across Greater Philadelphia with Seamless Design-Build Remodeling

Transform Your Home with Thoughtful Design & Expert Craftsmanship

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Meet Harth

Greater Philadelphia’s Award-Winning Remodeling Experts

You love your neighborhood. You’re in a great school district. Maybe you’ve locked in a mortgage rate you don’t want to give up. Moving isn’t the right choice—but something about your home still isn’t working. It’s time to design and build a better living space.

Whether you need a full home renovation, an addition, or something in between, at Harth Builders, we help you make smart, lasting changes that improve how your home functions and feels. For nearly 30 years, we’ve delivered thoughtful design, clear planning, and skilled construction—all under one roof.

From start to finish, we respect your time, your home, and your vision. You’ll always know what to expect, and you’ll never have to wonder who’s handling what.

Trusted By Homeowners Across Philadelphia

What Our Clients Are Saying

They really do go above and beyond making your dreams come through. It sounds cliché, but they know how to turn your vision into reality.

Candace R.

Horsham

I will continue to recommend Harth to friends, neighbors and family.

Karen and Charlie M.

Blue Bell

Whole time we knew the carpenters were capable, their attention to detail of minutiae was amazing. The wallpaper and tile were above and beyond! Again with attention to detail.

Erika M. and Tom G.

Lower Gwynedd

I would recommend Harth for quality of service, quality of end product, timeliness of completion and as a full-service provider.

Siobhan and Eric L.

Ambler

Everyone was wonderful! Amazing design, great project team, any concerns were always immediately addressed… really wonderful, professional team of designers and contractors.

Anita C.

Washington Crossing

I was very pleased with all my interactions with the Harth team. They walk you through the process and ensure they answer all of your questions as they arise.

Audrey and Miles M.

North Wales

Definitely will and have recommended Harth to friends. Family, friends and all those who have had an occasion to come in the addition have commented how amazing it looks and feels and the quality of the workmanship.

Mary and Jim R.

Maple Glen

Explore Our Services

Tailored Solutions for Every Home

Additions

Outdoor Living

Kitchens

More Room, Without the Move

Additions

When your home no longer fits your needs, an addition can be the right move, without having to move. Whether it’s a new bedroom, a larger living area, or a full second-story buildout, we design and build additions that feel like they’ve always been part of your home.

Primary Suites

Add comfort, privacy, and space with a custom suite designed around your routines. Includes walk-in closets, upgraded bathrooms, and tailored layouts.

Living Space Expansions

Open up your home with more space for gathering, entertaining, and daily living. Our additions blend seamlessly into your existing structure and style.

Second-Story Additions

Gain square footage without sacrificing your yard. We manage the design, structural engineering, and build process from start to finish.

Beautiful, Functional Spaces Built for Life Outside

Outdoor Living

When your home no longer fits your needs, an addition can be the right move, without having to move. Whether it’s a new bedroom, a larger living area, or a full second-story buildout, we are a design and build contractor that builds additions that feel like they’ve always been part of your home.

Decks, Patios, and Pergolas

Create structure and comfort with durable, low-maintenance materials designed to look great and last through every season.

Outdoor Kitchens

Fully equipped with everything from pizza ovens to wine fridges, our outdoor kitchens are built for serious entertaining and everyday ease.

Fire Features and Garden Enhancements

Extend the season and add atmosphere with built-in fire pits, stone fireplaces, and custom landscaping that ties it all together.

Custom Designs That Bring Beauty and Function Together

Kitchens

Your kitchen should make everyday life easier—and look good doing it. From layout improvements to top-tier materials and fixtures, our team designs and builds kitchens that reflect your style and support your daily routines.

Layout and Storage

We optimize the footprint to improve flow, function, and usability. Smart storage, better lighting, and room to move.

Finishes and Fixtures

Premium countertops, cabinetry, hardware, tile, and flooring—all selected for durability, everyday comfort, and timeless style.

Integrated Design

We make sure your new kitchen feels like it belongs. Clean transitions, architectural continuity, and attention to every detail.

See Our Work

Portfolio

See how Harth Builders brings quality and craftsmanship to every project and every home.

Oreland Three Story Addition

Ambler Exterior Remodel and Pool Cabana

Collegeville Kitchen

Blue Bell Addition and Exterior

Maple Glen Cabana

Wyndmoor First Floor

Glenside Two Story Addition

Lower Gwynedd Garage and Cabana

Laverock First Floor

Philadelphia Kitchen and Dining Room

A Commitment to Excellence

Awards

There are reasons we have won so many industry awards, and they begin with our commitment to continuing education for our staff. All members of the Harth Builders team participate in ongoing professional education — to keep up with the latest methods, products and the most cost-efficient ways to build. We spend more than 200 hours a year at home shows, technical training, building seminars, and product expos. In other words, we work hard to stay at the top of our game.

Explore Our Services

Discover the Harth Builders Experience

Whether you’re adding more space, creating a backyard made for gathering, or refining your kitchen, our team is ready to guide you through every part of the process.

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