BUILDER PROFILE

Grau Building Company

Grau Building Company is a custom builder in the Raleigh-Durham Triangle. It is listed in our custom and semi-custom builder directory rather than the production data set, so it holds no standing community inventory here and each build is priced from its own plan, lot and specification.

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Who is Grau Building Company?

Grau Building Company is a Durham custom home builder and renovation contractor owned by Jeff Grau, who started the company in 2005 (company about page). The legal name is Grau Building Company, LLC. It has been building for more than 15 years and works across Durham, Chapel Hill, Carrboro, Hillsborough, Pittsboro, Cary, Morrisville, Research Triangle Park and Fearrington Village.

Grau does have a working website at graubuilding.com, updated with projects in October 2025. This page pulls together the license, permit and review records that a builder's own site usually leaves out.

Grau Building Company license and company record

Grau Building Company, LLC is listed under North Carolina general contractor license 58354, Building classification, with Jeffrey Charles Grau as qualifier. The license was verified active in May 2026 (BuildZoom license and permit record). BuildZoom also shows a second active license, 56791. License 58354 is the number BBB and Houzz both show for the company.

Where Grau Building Company has built

Grau's work is spread across individual lots and renovation projects more than planned subdivisions. The one neighborhood we can tie to Grau through public permits:

Park Slope, Durham: 2024 new-home permits at 7367 and 7391 Park Slope Drive name Grau Building Company (permit record).

Permit records also show Grau work in 2025.

What Grau Building Company builds

Custom and semi-custom new homes (BBB profile)
Whole-house transformations and complicated renovations of existing homes
In-house design studio. Grau designs projects in house rather than handing you off to an outside designer.
Lot finding and real-estate help for clients who do not yet own land

If you are hunting for a lot in Durham or Chatham County, read our guide to buying land to build a house before you put a lot under contract. A builder who finds lots for you is useful, and you still want your own review of the soils, septic and utilities.

Grau Building Company awards and reviews

Durham's Best Builder, 2026, as shown on the company's website
Google: 5.0 rating from 15 reviews (review listing)
Houzz: the profile lists 10 reviews (Houzz profile)

Finding Grau Building Company online

Questions to ask before you hire Grau Building Company

Is my project a custom or a semi-custom build with you, and what changes between the two?
How does the design studio fee work if I decide not to build?
For a whole-house renovation, how do you price unknowns found once walls are open?
Which license number will be on my contract and permit, 58354 or 56791?
What warranty do you give on renovation work versus new construction? Our home builder warranties guide explains the difference.

Weighing a new build or a major renovation in Durham or Chapel Hill? Talk with the Tim M. Clarke Team before you sign a build or renovation contract. We check the license, the permit history and the contract terms, and we tell you what to ask.

Sources checked (October 2026): Grau website; Grau about page; BuildZoom; BBB; Houzz; Google review listing; Facebook; Instagram.