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Design Build, Custom Homes,

Additions & Renovation's

Welcome to our exclusive design-build firm, where we merge architectural ingenuity with sustainable practices to create exquisite, custom homes that are as environmentally friendly as they are breathtaking. As a leading provider of bespoke residential design and construction services since 1992, we pride ourselves on transforming your vision into a reality that not only exceeds expectations but also reflects our unwavering commitment to quality, integrity, and customer satisfaction.


At Monahan Design Build, we offer a comprehensive suite of services to ensure a seamless, stress-free experience for our clients. Our founder and owner, Michael Monahan, leads a team of skilled professionals who are dedicated to providing unparalleled craftsmanship and meticulous attention to detail at every stage of the process. From the initial site design and architectural planning to the final touches of interior design, our goal is to bring your dream home to life in a manner that is both aesthetically stunning and environmentally responsible.


We understand the importance of personalized service, which is why we work closely with you throughout the entire process. By listening to your needs and preferences, we are able to provide tailored guidance and advice that ensures your custom home design reflects your unique personality and lifestyle. We are proud to offer our interior design services at no additional cost, ensuring that every aspect of your home is thoughtfully considered and beautifully executed.


Our commitment to excellence has earned us the Best of the Main Line award for six consecutive years, a testament to our unwavering dedication to quality, integrity, and service. With a diverse portfolio of stunning projects that showcase our versatility and expertise in custom design-build construction, we are confident in our ability to help you achieve your goals, whether you are building a new home, renovating an existing one, or adding an extension.


As a Certified Green Building company, we are proud to offer eco-friendly solutions that minimize our environmental impact without compromising on style or functionality. Our vehicles are zero emissions, further demonstrating our commitment to sustainability and the preservation of our planet.


Contact us today for a free consultation and estimate, and let Michael Monahan and his team at Monahan Design Build help you build your dream home with custom design. Together, we can create a living space that is as unique as you are, while also contributing to a greener, more sustainable future.

Monahan Design Build - Building Homes that Bring Your Dreams to Life

"Architectural drawings and site plan are provided at no additional charge. As a comprehensive design-build company, we collaborate closely with our clients from the very inception of their vision to the final completion of their project."

Our Services Include

Design Build  // Custom Homes  // Additions // Renovation // Commercial//Green Building
Investor Realestate Opportunities

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 Valued Integrity
 Satisfaction Guaranteed
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