San Antonio foundation repair company

At a glance

The Google listing for Olshan Foundation Repair is in San Antonio. The company's website lists slab repair and crawl space work. It advertises a warranty. Ask for the full written terms for your repair.

What to check before you hire

Found means we have a record for this check. Terms online and Advertised describe what the company publishes about its warranty. Not on file means we have no record yet. None of these words is a rating.

• Engineering and inspection process

  Not on file

  No engineer letters on file for this company.

  Next step: Ask who handles any engineering assessment and inspection, and what documentation you can review. Read the independent engineer guide.

• Customer reviews

  Found

  4.8 from 1,157 Google reviews, checked October 10, 2026.

  Next step: Ask for references from recent jobs near you, and read recent reviews of the company wherever you find them.

• Current insurance

  Not on file

  No insurance certificate on file for this company.

  Next step: Ask for a current insurance certificate for this business.

• Written warranty

  Advertised

  The company advertises a warranty.

  Next step: Ask to read the full written warranty, including exclusions and transfer terms.

The San Antonio permit file and the portal records we sampled do not reliably name the contractor, so we cannot show permit counts for each company.

Compare other San Antonio companies ↗

Sources and how we checked

Sources

• Primary company evidence and the dated listing share 1720 S East Loop 410 office and public business phone 210-495-5758. Listing figures describe this one record; they are not combined across offices. Identity source. Checked October 10, 2026.
• Company page with San Antonio service or office evidence. Checked October 10, 2026.
• Repair method statement checked October 10, 2026. Company source
• Service tags checked October 10, 2026.
• Warranty statement checked October 10, 2026. Company source
• Warranty label checked October 10, 2026.
• 4.8 Google rating from 1,157 reviews; matched listing city: San Antonio, Texas; review job locations unknown. Google listings checked October 10, 2026; listing updated September 13, 2026. Open the matched Google listing.

San Antonio rules

San Antonio requires a signed and sealed engineer-of-record assumption letter at application and an engineer-of-record inspection letter to clear the foundation inspection. Sealed construction documents are optional under the City bulletin. City final-inspection requirements also apply. City source.

Local sources and limits.

Coverage checked through a broad company search, business listings and local directories. Branches are consolidated. Referral websites and candidates whose operating identity, repair service or affiliations remain unresolved are withheld. We researched this directory and may have missed contractors serving the city. A listing does not endorse job quality.

The City export labels a field Primary Contact, which does not establish the contractor. It contains both residential and commercial foundation permits and has no inspection-result or closeout columns. City of San Antonio permit data.

Individual BuildSA records can show scope, a licensed-professional section and inspection status, but our 30-record recent sample does not establish a company total or completion rate. search BuildSA records.

Read the full method and limits. Request a correction, free.