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Petra Stone Works is Nelson Baia and, on most jobs, one other pair of hands. A Brighton customer who hired the company in November 2024 described it that way β a small company, Nelson and his assistant β and then described what they did: crumbling porches at the front and back of the house repaired, loose bricks reset, holes filled, cracked and broken limestone plates replaced, loose handrails made solid again. The company is based in Medford and, by its Thumbtack listing, has been doing masonry for 11 years with 121 projects booked through the platform. The work homeowners describe is almost all at ground level: paver driveways, patios and walkways, brick and stone repair, retaining walls. Base preparation is what the more detailed reviews keep coming back to. A June 2023 customer who met with five masonry companies before choosing Petra wrote that Nelson and Adam did not rush the job and levelled the driveway base properly before a single paver went down. An August 2023 homeowner had driveway bricks relaid and a retaining wall reinforced and called it good value and good workmanship. In July 2024 a customer had a sizable paver patio built, with Nelson flexible enough to help pick materials and rework the front walkway while he was there. In March 2025 another had a paver walkway replaced with stone edging added, and wrote that of all the pros contacted, Nelson gave the best price. Two things to note. Its written reviews run from June 2023 to March 2025, so the specifics above describe work from more than a year ago. And its Thumbtack star breakdown puts 95% of 19 ratings at five stars and 5% at one. Petra suits a paver driveway, patio or walkway, or brick and stone repair on an older house, where you want the owner doing the work rather than a crew you have not met. Ask to see a job of the same size finished in the last year, and confirm who else will be on site with him.
Nelson did an amazing job replacing the paver walkway in front of our house and adding a stone edging. Of all the pros that I reached out to, Nelson gave the best price. He was easy to communicate with and did a wonderful job.
Petra Stone Works is a small company, Nelson and his assistant. They did a great, thorough job repairing crumbling porches at the back and front of our house in Brighton, replacing loose bricks, filling holes, replacing cracked and broken limestone plates, and fixing loose handrails -- at a reasonable price. Highly recommended.
Nelson completed a sizable paver patio project at my home. He was very responsive and punctual and communicated well. He was very flexible too, working with me to select materials and even help modify a paver walkway at the front walkway. The quality of his work was excellent. I would highly recommend Nelson and would definitely work with home again should the need arise.
Petra relaid the bricks in our driveway and reinforced a retaining wall. They did not excellent fast work. The driveway looks great. Good value and workmanship. Would hire again.
After meeting with five different masonry companies we decided to hire Petra Stone Works to make our driveway dreams come true! Nelson & Adam were true professionals who didnβt rush the job, leveled our driveway base perfectly before putting the pavers down. They were very respectful of our property by leaving the work area clean every night before leaving the job site. They were very reasonable with their pricing and I would absolutely recommend and use them in the future for masonry work again!
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1 change recorded β last scanned Sep 9, 2026.
Resolves persistent basement dampness5.0
Driveway paving5.0
Renovates century-old structures5.0
Durable stone & block retaining walls4.9