Maintenance by Diaz logo

One crew. Every part of the property.

Property work, handled.

Maintenance by Diaz is the full-service partner for homeowners, small businesses, and property managers who need capable work without coordinating five different crews.

Roof replacement before-and-after project in Plainfield, Union County, New Jersey
Roof replacement · PlainfieldBefore / after

1 / 3 · Roof replacement

LicensedBondedInsuredWorkers' compensationLicense # 13VH10470500
See the full service list ↗

Proof in the details

See the work up close.

Completed Plainfield driveway and patio transformation

Real project imagery gives the clearest sense of the finish: roofs, driveways, patios, and the transitions that make a property feel cared for.

Open the project gallery ↗

For property owners & managers

Keep the building moving.

GR Management Group manages properties and relies on Maintenance by Diaz for building maintenance, repairs, and improvement work. The roles are clear: GR Management Group manages the property relationship; Maintenance by Diaz does the hands-on work that keeps the property cared for.

GR Management Group logo

A property-management partnership

A direct maintenance resource for managed homes, apartments, and commercial spaces.

See the company relationship

A practical next step

Tell us what needs doing.

Share the property, the priority, and the work you have in mind. We’ll start with a clear conversation.

Start a project inquiry