certified company
Based on 47 reviews
Our Certification Process
Best Pick Guarantee
Verified License(s)
Verified General Liability Ins.
Verified Workers' Comp
1st year as a Best Pick Call
"Mt. Diablo is a family-owned business that enjoys transforming homeowners' residences into special outdoor living spaces. Mt. Diablo makes sure that its customers are happy with the work they are paying for—period. The crews pride themselves on being respectful, clean, and prompt at customers' properties."

Dan Neufeld, Jr. | President
Company Information
Services Offered
Mt. Diablo provides residential and commercial paver installation services, including construction of retaining walls, patios, driveways, walkways, hardscapes, fire pits, fireplaces, and outdoor kitchens. The company also performs concrete work and traditional landscaping services, such as drainage, spring and fall cleanups, and weekly mowing services.
Mt. Diablo offers a three-year warranty on labor.
Company History
The local, family-owned-and-operated company was founded in 2010.
President Dan Neufeld, Jr., is an Interlocking Concrete Pavement Institute (ICPI) Certified Concrete Paver Installer. Mt. Diablo is a sponsor of the Travis Manion Foundation's annual 9/11 Heroes Run.
Employee Information
Employees wear uniforms, drive marked vehicles, and undergo background checks.
Areas Served
Fairfax County, Loudoun County, Arlington County
A selection of 47 homeowner reviews:
“We love Mt. Diablo. They did a patio and some landscaping. They were very professional and timely, and they did a great job. I'd give them an A+. We had an overall great experience, and we love the work that they did.”
“They put in a front walkway with steps and a paver patio. They were very reliable, they did a quick job, and the quality is excellent and beautiful. I'd give them an A+. We're very happy.”
“It was great. They put a patio and fire pit in the backyard and a new stoop and walkway in the front yard. They were excellent—couldn't have been better. I'd give Mt. Diablo an A+. I would recommend them to everybody.”
“They did a patio and rebuilt my front stoop. They were very responsive and helpful. I'd give them an A+. I would certainly recommend them, because they did excellent work.”
“They redid our driveway, took out an enormous tree, placed sod all over the front yard, and did landscaping with bushes in the front yard. Everything about them in positive. Their estimates were accurate, so they met the original estimates for the project. They consistently came every single day. The project happened so fast, and we loved the quality. I'd give them an A+ grade. I'm very likely to recommend.”
“They did landscaping and hardscaping. I'd give them an A+. I like everything about their service.”
“They did a patio and a retaining wall. I'd give them an A+. I'm very likely to recommend them, I already have. They're easy to work with.”
“They did hardscaping, landscaping, concrete work, and installation of stairs. I'd give them an A+. I'm very likely to recommend them. They're friendly, very quick, very efficient, and do good work.”
“I'd give them an A+. They installed a patio in our backyard. I'm very likely to recommend them.”
“He put in a flagstone patio for me with a retaining wall. Everything was done the way he said it would be done. It was a pleasure doing business with him. His employees were very helpful, courteous, and kind. They did what they said they would do in a timely fashion and cleaned up behind themselves. I can't ask for anything more. A+ for them. I'm very likely to recommend them.”