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About  CornerStone  Building  &  Restoration

Your  Reliable  Maine  Contractor  Serving  The  Greater  Portland  Area 

Our  Mission

To provide the highest quality workmanship and the very best client service.

Our VISION

To be a regional leader in commercial and residential construction, using the latest technology, standards and techniques to deliver the best construction services possible.

Our Promise

To treat our clients as we would like to be treated.

We will…

    • Complete projects on time and on budget
    • Provide the highest quality workmanship
    • Ensure the project fits client needs and budget
    • Provide detailed & accurate estimates
    • Return calls promptly and be on time
    • Be professional, courteous and responsive
    • Keep job sites clean, organized and safe
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What  We  Do

CornerStone Building & Restoration provides a full spectrum of design, building, restoration and renovation services throughout southern Maine.

Residential  &  Commercial

● Construction of the finest residential buildings

  • Full scale historic restorations

  • New condo construction
  • High-tech commercial buildings

  • Remodels and additions

  • Condo conversions

  • Office design and build out

  • Restaurant or bar design and build out
  • Entertainment rooms, lounges and bars

  • Custom kitchens

  • Great rooms and media rooms

  • Master baths and home spas
  • Finished basements

  • Finished attics

  • Custom closets

  • Porches and decks

  • New floor installs – hardwood, tile, cork, bamboo, carpet or commercial

  • Refinishing hardwood floors
  • Interior and exterior finish and trim work

  • New stairwells

  • Replacement windows

  • Painting

Don’t  see  your  dream  project  listed?

 Reach out and we’ll talk it through!

Our  Sister  Companies

Cornerstone is fortunate to work closely with our sister companies, Benchmark Real Estate and Home with Tom Landry, to leverage our collective talents, connections, and resources to accomplish more than we could alone. Tom Landry, a seasoned real estate professional with over 30 years of experience in the industry, founded and owns both companies. Tom is known for his scrappy work ethic and dedication to providing exceptional service to his clients, whether they are buying or selling a property. He is committed to building a better real estate culture in Maine one brick at a time and to supporting the local community through his business ventures.

Tom is also the host of Home with Tom Landry, a social media production and blog for homeowners, sharing vital real estate and home ownership information. The show features news, tips, stories and advice for all aspects of home ownership, from buying and selling homes, to maintaining them, to making them your own with landscaping and renovation concepts. With his extensive experience in real estate and construction, Tom shares his knowledge and insights to help homeowners and buyers navigate the ever-changing world of home ownership. Tune in for valuable information and entertaining stories from a true Maine icon.

Testimonials

— C. KAST, SOUTH PORTLAND, MAINE

“I was a nervous renovator because of timing and budget - I got this project started right in time for the Holidays... Well, not only did CornerStone deliver on timing, they came in on budget and did an amazing job. My kitchen came out exactly as I had dreamed.”

— GARY & KAREN PRESTON, PORTLAND, MAINE

“We could not be more pleased with the process and the results made possible by CornerStone. The staff have been great communicators: answering calls and questions 24/7, providing sound advice and direction and emailing photos to us on a regular basis since we couldn’t be there in person… There is nothing the staff at CornerStone wouldn’t have done for us to get the project done how we wanted and when we wanted.”

— TIM & REBECCA, PORTLAND, MAINE

“CornerStone was great to work with. They were willing to accommodate everything we wanted to do on our project (expanding the ½ bath), but most impressively they were the exact opposite of what most contracting situations end up being. We could reach them whenever we wanted, they were very responsive, on-time and honest. There was one sub-contractor (plumber) who did not meet CornerStone’s high standards and those demanded by the project, so they were able to bring in a different one on very short notice, who did a great job. Despite our home being built 135 years ago, the project ended up not hitting the anticipated bumps in the road. When all was said and done, the project came in under the estimated amount, which was another very nice surprise.”

— UDAI & NANCY, PORTLAND, MAINE

"Renovating a home in a historic district comes with extra challenges but Cornerstone has helped us every step of the way and are always one step ahead of things (e.g., lining up subcontractors, working on the permit process, scheduling inspections, etc.). They have made the renovation process stress-free and we look forward to more work together!"