Johnny General Contractor ADU

San Diego, California 92120

Johnny General Contractor ADU is a foundation repair professional serving San Diego, CA, offering foundation repair and waterproofing services.

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San Diego, CA 92120

Listed March 2026

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Helpful guides to understand your options before hiring.

5 min read

Cracks, settling, sticking doors: spot early warning signs.

8 min read

Push piers to mudjacking, a plain-language guide.

6 min read

Average costs, what drives pricing, and what to watch for.

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