"I am absolutely pleased with GJP Developers. From my initial meeting with, Gary, the owner, throughout the entire project experience, there was clear consistent communication. All of my questions were answered. The crew were efficient, timely, respectful and skilled. They built a powder room on my 1st floor. The job was completed earlier than the original plan. I recommend GJP Developers with the highest commendations."
DDE163B53B56EF5FE62546381A8650940F487A92AB9A49D78789CC2C6633FE04 9. in July 2026

Outdoor Living, Hardscaping, Landscaping , and 2 more
"The were fabulous, I was very happy with the service."
9B19074A2486B2622E38AC13F3AB5C3C784744F5013AA2AC0267CFBFE3D559FC 0. in November 2025

"The project was concrete sidewalk and curbs. Work was well planned, good communications with Upper Darby Twp, and first rate results. Couldn’t ask for more."
5B42398B507822F7F7C4E75F4347AF70BC94A05BC8BA12F58430B2D751AE4744 7. in August 2026

Mansory, concrete, excavation
"Luis and his crew arrived expediently for this emergency project and did a fantastic job bricking up a broken basement window to ensure that it is water tight forever. I highly recommend J&N for all masonry and concrete work!"
FCCF09384E551DEECE7D48FBA406A9B31CAFAB64EAD9BD8D4040D524D6E18D34 3. in September 2026

Excavating, Concrete, Excavation/grading , and 3 more
"Brent and his team completed a foundation for our addition and the process went very smoothly. We had a lot of contractors at our house and he stood out, always keeping the work area clean and clear communication."
E02B07D25BCEB30042E021114DA4105EEEA50719348B97E4144A06C983ABD8D3 F. in March 2026

"The team was efficient and prioritized the job. The end result was excellent and I would highly recommend them to anyone. I will certainly work with them again."
14F5BA77FBB77B96ECD68D2D798D9E1224A80C4C51BC62F6EACF15BA7D08F5E1 E. in December 2025
"Richard was extremely easy to work with. He explained the project every step of the way and even returned the following day to be sure everything was done just as promised."
9A446198B5E0515DE983B77B687B5217E7B9157EA693432A236F88271F3E4079 0. in May 2026

"Absolutely top quality, very easy to work with. They got a big job done in one day, and thoroughly explained how to maintain my driveway going forward. Would highly recommend them!!!"
16441FE6C5FE0BEE73EAB1270CCC8ED3A07EC82B281886B5A2478DA7269F9AF5 2. in August 2026
In business since 2025
Concrete
About us: "We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!"
Garnet valley Concrete Contractors are rated 5.0 out of 5 based on 1 reviews of 1 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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