Business Details
50+ Years
experience
Custom Modular Home Builders in the Mid-Atlantic
Homes by Keystone, a family-owned business with over five decades of experience, specializes in crafting high-quality, custom-designed modular homes. Founded in 1966 in Pennsylvania, we pride ourselves on attention to detail, superior craftsmanship, and delivering long-lasting value to homeowners. Our portfolio includes A-frames, Colonial, two-story, Cape Cod, ranch-style, raised ranchers, and contemporary designs. We collaborate directly with homebuyers through a comprehensive Builder/Dealer network, ensuring a full-service approach to modular home construction.Our commitment to energy efficiency, advanced insulation, and durable materials sets us apart. Acquired by Guardian Booth in 2022, we maintain our legacy of innovation and customer satisfaction while expanding our capabilities. With a presence across Maryland, Pennsylvania, West Virginia, and Virginia, we combine local expertise with nationwide standards. Our Total Quality Management program and RWC 10-Year Warranty underscore our dedication to excellence, ensuring peace of mind for every homeowner.
Services
Custom Modular Homes
A-Frame Homes
Cape Cod Homes
Colonial Homes
Rancher Homes
Two-Story Homes
In-Law Suites
Raised Ranchers
Contemporary Modular Homes
Prefabricated Homes
Details
- Year established: 1966
Highlights and features
- We offer over 50 years of expertise in modular home construction.
- Our homes feature energy-efficient designs and advanced insulation.
- We provide a comprehensive 10-year warranty for added peace of mind.
- Our custom designs adapt to diverse client needs and preferences.
- We serve 40 counties across Maryland, Pennsylvania, West Virginia, and Virginia.
Associations and certifications
- Residential Warranty Corporation (RWC) 10 Year Warranty
- RWC Incentive Program Award of Distinction
What people say
Superior craftsmanship
Excellent service
Quality homes
Energy-efficient designs
Timely delivery
Services
Custom Modular Homes
Our custom modular homes are designed to meet individual preferences and lifestyles. Built in controlled environments, they ensure precision and minimize weather-related delays. With energy-efficient features and durable materials, these homes offer long-term value. Our team collaborates closely with clients to create functional, stylish living spaces tailored to their needs.
A-Frame Homes
A-Frame homes combine modern aesthetics with practicality, featuring high ceilings and open layouts. Ideal for vacation properties or permanent residences, they are constructed with energy-saving materials. Our designs include customizable options like dormers, chalet roofs, and spacious great rooms to enhance livability and comfort.
Cape Cod Homes
Cape Cod homes offer timeless charm with durable exteriors and efficient layouts. Featuring Andersen windows, low-maintenance materials, and optional unfinished upstairs spaces, these homes balance tradition with modern energy efficiency. They are engineered for longevity and adaptability to various family needs.
Colonial Homes
Colonial-style homes provide elegant, spacious designs with two-story layouts and customizable features. Equipped with energy packages, designer finishes, and structural integrity, they cater to families seeking both aesthetics and functionality. Our craftsmanship ensures lasting value and compliance with local building codes.
Rancher Homes
Rancher homes offer single-level convenience with versatile floor plans and modern amenities. Designed for accessibility and ease of living, they include energy-efficient systems, durable exteriors, and customizable garage options. These homes are ideal for families and retirees seeking practical, stylish living spaces.
Questions
What warranty options are available for Keystone homes?
Keystone offers a one-year factory warranty, two-year electrical/plumbing coverage, and a 10-Year RWC Limited Warranty for structural and system protections.
Can I customize my modular home's design?
Yes, we provide extensive customization options, including floor plans, finishes, and structural features, tailored to your preferences and lifestyle.
Do you build homes outside the Mid-Atlantic region?
While our primary service area includes MD, PA, WV, and VA, we can discuss options for other locations based on project specifics.
How long does it take to build a modular home?
Construction typically takes 3-6 months in our factory, with additional time for site preparation and final assembly on your property.
Are Keystone homes energy-efficient?
Yes, our homes include energy-saving packages with advanced insulation, efficient HVAC systems, and ENERGY STAR-rated appliances to reduce utility costs.
What financing options are available?
We recommend traditional mortgages or construction loans; consult your lender for specific programs tailored to modular home purchases.
Reviews (3)
Craig Wenger
May 28, 2022
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Have only had communications and design discussions and they have been very helpful. Have not visited showroom yet.
John Cirelli
Feb 24, 2021
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They don't stand behind their warranties. The roof is falling apart after 14 years on a 35 year shingle. I called they said sue us. Originally they used a shingle that fell apart. Now it's my problem. They use cheap materials. Service: Garage design & building
Mark Zampino
Jan 02, 2021
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I was very impressed by the quality of their homes, construction and people. After viewing sever other similar companies, I have come back to edit my review. At first glance prices look great. until you realize they don't include important things like HVAC, grading, etc. When you put the price on a "turn key" project, the price goes FAR BEYOND the price they lead with. To me, this is very deceptive especially when similar companies have these items included.
If you are able to compare and "apples to apples" project, you will find this company to be much more expensive while the materials/quality are of the same caliber. I liked the people and the craftsmanship, but I can't do that kind of price.
If you are able to compare and "apples to apples" project, you will find this company to be much more expensive while the materials/quality are of the same caliber. I liked the people and the craftsmanship, but I can't do that kind of price.
