“a tried stone, a precious cornerstone, a sure foundation”
our services
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New Home Builds
Designing and building custom homes with quality workmanship, attention to detail, and a focus on your vision.
-McHenry, MD
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Remodel Projects
Revitalizing your home with expert craftsmanship, seamless design, and personalized remodeling solutions.
-McComas Beach, Red Run
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Decks & Patios
Creating beautiful, durable decks and patios that not only enhance outdoor living but also complement your home’s style.
-Waterfront Greens
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Outdoor Spaces
Hardscapes, small excavation, and lot clearing ~ enhancing outdoor spaces with expert land preparation & designs.
-Deep Creek Lake
We specialize in the design, building, and remodeling of single family homes in and around McHenry & the Deep Creek Lake Area.
60+ years of combined
building experience
Most homeowners can find a design or two or three or four … that have most of the features they want. The challenge is finding exactly what you’re looking for, especially when it comes to designing the home of your dreams.
At Cornerstone, we will take your stock plans, napkin sketches, paper tracings, or simply your imaginings and use them to produce a unique design that has exactly what you’re looking for.
Our
Projects
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![New home build with garage in Garrett County]()
New Home Build
-Friendsville
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![Pool house building structure in McHenry]()
Pool House
-College Heights
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![covered wrap around deck patio with railing]()
Covered Deck
-McHenry
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![siding on garage shed with electricity]()
Detached Garage
- Deep Creek Lake
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![privacy vinyl fence for private setting]()
Privacy Fence
-Deep Creek Lake
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![outdoor firepit with paver walkway]()
Fire Pit
-Waterfront Greens
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![remodel window and sliding glass door replacement]()
Window Replacement
-Lakeshore Drive
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![outdoor walkway with pavers hardscape]()
Pavers
-Deep Creek Lake
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![excavation to block laying]()
Concession Stand
-Friendsville Community Park
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![master bedroom and bathroom addition]()
Master bedroom addition
-Friendsville
Ready to Build Your Vision?
Got an idea scribbled on a napkin? Perfect! At Cornerstone, we love turning your casual sketches into reality. Whether it's your dream home, a new business space, or a creative outdoor project, we're here to build it just the way you imagined.
What People Are Saying
"Cornerstone did a wonderful job and really are experts!"
-Kay R.
"Dear Cornerstone Construction, we are extremely pleased with your attention to detail in the construction of our garage. During the planning, you were very helpful by listening to what we wanted and providing suggestions with your experience and expertise to improve on the final outcome. You provided a timetable for the completion of the project, which you exceeded. Overall, we are vey proud of the final project, and we believe it adds beauty and value to our property. Thank you for a great job.
-Frank & Sandy D.
If you live in the Garrett County area, we can not recommend this contractor enough, Cornerstone Construction. Jon & Mark Hinebaugh (and staff) were exceptional. They completed the decks in just a few days and are polite, conscientious, considerate of our property, and left no construction mess while doing the job. From our initial meeting, paperwork, scheduling, to the completion was about a month. It is a challenge to get contractors to respond or even show up for estimates. Cornerstone Construction renewed our faith!
- Brenda T.
Cornerstone Construction, a growing family-owned company, is looking for carpenters to join our team. We want people who value integrity and professionalism, and we are prepared to fairly compensate individuals who share those same values with competitive wages, vacation and holiday pay. Please call 301-616-5556 for more information.