Dan did a great job fixing, securing, and sealing our undermount kitchen sink, and cleaning and polishing our granite countertop. The sink is better than it was when it first installed, and our granite countertop is glowing! Dan is very personable, professional, and customer focused. He listened to what we needed, and then provided us options on how to best approach for our sink repair project while keeping our budget in mind. We highly recommend Dan to anymore needing their sink secured, and granite cleaned, repaired, and polished!

Tri-State Stone Doctor
Tri-State Stone Doctor at a glance
Google reviewers rate Tri-State Stone Doctor five stars based on sixty-five reviews, noting that the owner rarely responds to feedback. Customers describe services including stone repair, refinishing, sealing, and stain removal for granite, marble, quartz, and soapstone surfaces. Recurring themes highlight punctual appointments, clear communication, reasonable pricing, and thorough cleanup. Reviewers frequently mention receiving maintenance advice and professional attention to detail during projects, with no common criticisms identified in the provided excerpts.
- Google rating: 5.0 out of 5 from 65 reviews (100% five-star).
- Reviews on this page: 65 Google reviews (63 with written comments, 8 with photos).
- Owner responses: the business replied to 3% of reviews.
- Most recent review: October 22, 2026.
- Service: Countertop Installer serving Philadelphia, Pennsylvania.
Data from Google, last updated October 25, 2026.
Photos
Customer reviews
Reviews from Google, shown as published (original wording, unedited).
Dan and his team were wonderful. He made it a breeze to schedule appointments and provided great service. My marble countertops are repaired and resealed, and I will absolutely choose to use Tri-State Stone Doctor again in the future. Thanks!
Daniel and team were excellent in fixing our marble top that unexpectedly cracked. Not only did he fix the issue at hand, he was very thorough in explaining and educating the best way to keep stone healthy and functional for years to come. I now have proven methods for stone maintenance across my whole house; not just the stone he helped fix. I wouldn’t hesitate to recommend Daniel to anyone for your stone needs. Thank you, Daniel.
Tri-State Stone Doctor was able to fully remove a large stain in my marble tile floors, cleaned and polished everything. It looks brand new. Highly recommend!
Just wanted to thank Dan from TriState Stone Doctor for fixing the crack in the granite in the front of my kitchen sink…he came out first for the estimate…provided several options…apparently this is common with granite in front of the sink, so as soon as you notice a crack call right away…we called him back and he scheduled an appointment and provided a reminder the day before…he placed a drop cloth from the front door to the kitchen…he completed the job throughly…I asked him about the rough edges on the granite around the sink he smoothed it out nicely and also removed the mineral build up on the granite around the bathroom sink…Very professional and knowledgeable and provided lots of tips about maintaining the granite…He also provided a 2 year warranty on the repair
Dan from Tri-state Stone Doctor made the process so easy. Send photos, get a quote, pay deposit, set up appointment. All via my phone. The repair is amazing. To cracks in the granite by the kitchen sink were made to literally disappear. He really is the “stone doctor”. Professional, protected the work space, cleaned up. Attention to detail will make the most OCD of us happy. Call or text Dan. Don’t wait. These granite cracks will only get worse, especially around water. On time and on budget…and a two year guarantee!
Tri-State Stone Doctor did an incredible job repairing the granite around my kitchen sink. The repair is virtually invisible, and the craftsmanship exceeded my expectations. They were professional, knowledgeable, and easy to work with. I highly recommend their services to anyone needing granite repair or restoration.
Quartz repair - looks great. Dan was very professional and easy to communicate with. Highly recommend
Dan brought my soapstone countertops back to life. After years of dealing with inconsistent sealers, blotchy finishes, and etching, he completely resurfaced everything and made them look better than they did originally. He wouldn’t take a dollar until the job was done right, and spent a full day testing and refining the process before moving forward. It’s rare to find someone who cares that much about getting the result right. Truly top-notch work.
Dan and his assistant did an efficient and effective job, all the while making sure that there were no disruptions or messes. Dan is especially helpful at diagnosing issues and giving great advice as to care and maintenance. His expertise is obvious. A go-to resource for any future stone issues.
Business details
- Phone: (855) 780-6379
- Website: tristatestonedoctor.com
- Service area: Philadelphia, PA