About Kingstone Building

A personal project deserves a clear construction partner.

Kingstone Building serves homeowners throughout San Diego with ADUs, renovations, additions, and custom residential improvements.

The company

Built on the details homeowners remember.

With more than 25 years of construction-industry experience, Kingstone Building is committed to dependable workmanship, clear communication, and long-term value. Much of the company’s work comes through repeat clients and referrals.

Every project is personal. Kingstone Building works closely with homeowners from planning and design coordination through construction and final completion, with attention to detail at every stage.

How we work

The standard behind the finish.

The principles behind Kingstone Building’s approach to residential construction.

01

Clear communication

Make the next step, decision, and responsibility easier to understand.

02

Dependable workmanship

Build thoughtfully with attention to the details that support long-term use.

03

Respect for the project

Treat every home and every homeowner’s priorities as personal.

Start with the property. Then build the right plan.

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