About Company

Rainbow is Northern California’s most trusted waterproofing and building restoration company, serving the San Francisco Greater Bay Area since 1927. The company specializes in repairing, restoring, and waterproofing commercial and historic buildings, ensuring the protection and preservation of building envelopes and facades. Rainbow offers a comprehensive range of services including masonry restoration, joint sealants, waterproof membranes, exterior painting, concrete repair, epoxy and grout injection, structural fiber reinforcing, facade inspection support, and window restoration. The company is committed to craftsmanship, quality, safety, and customer satisfaction, with a strong focus on employee well-being and teamwork. Rainbow has a long history of preserving Northern California landmarks and commercial properties, making it a reliable partner for building maintenance and restoration projects.

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