Meta All Microsites Pixel

The Best Concrete Waterproofing and Remediation Contractors in San Francisco

October 2, 2018 5 Min Read

Beautiful buildings, landmarks and homes only stay that way with proper structural maintenance and repairs. San Francisco is full of historical buildings that, over the years, surcom to weather and inevitable ageing. A top-quality contractor will provide services to keep those buildings beautiful and safe for years to come.

The following list includes the top five respected and award-winning contractors providing concrete waterproofing and remediation services in San Francisco.


Mares & Dow Construction, Inc.

1155 Ellis Street Suite #4 San Francisco , CA 94109

Since 1983, Mares & Dow Construction, Inc. has been offering waterproofing, remediation, and renovation services the Bay Area. Founded by Archie Mares and Denis Dow, long standing partners of 34 years, Mares & Dow provides home remodeling services, foundation repair, retaining wall construction, and commercial remodeling.

Project by Mares & Dow Construction, Inc.

Recent projects include the Postrio Restaurant, the Emeryville Public Market, and Bentley’s Restaurant. Mares & Dow Construction, Inc. is LEED certified.


Alpha Restoration and Waterproofing

218 Littlefield Ave. So. San Francisco, CA 94080

Established in 1983, Alpha Restoration & Waterproofing has earned a strong reputation in the San Francisco Bay Area for quality work and excellent customer service. Founded by Emile Kishek, the company has completed thousands of projects that span from Arcadia to Carmel South. Alpha Restoration & Waterproofing’s team of well experienced workers have earned the company an ICRI Award of Merit and an A+ rating by the BBB.

Project by Alpha Restoration and Waterproofing

A notable project completed by Alpha is the concrete restoration and waterproofing of the Golden Gate Center.


Rainbow Waterproofing and Restoration

600 Treat Avenue San Francisco, CA 94110

Rainbow Waterproofing and Restoration is a San Francisco-based contractor that first opened its doors in 1927. The company specializes in waterproofing and masonry restoration of landmarks and historical buildings and commercial structures. Rainbow provides multiple services, including below-grade waterproofing, building facade repair, inspection and maintenance services, concrete Restoration, masonry restoration, painting, and window restoration. Rainbow Waterproofing and Restoration has been featured in the Berkeley City Club Conservancy, Star Ventura, LA Times, Contra Costa Times, and the San Francisco Chronicle.

Project by Rainbow Waterproofing and Restoration

Rainbow recently took on renovations for San Francisco Fairmont Hotel, a project that included maintenance preservation, specifically addressing the condition of the terracotta, granite and wood.


Giampolini & Co.

1482 67th St, Emeryville, CA 94608

Giampolini & Co. was founded in 1912 by Servino Giampolini and is now led by current CEO Greg Quilici. Originally a paint company, the San Francisco-based company now also provides masonry restoration, drywall and metal framing services. Giampolini’s work has been featured in the Auburn Journal, CBS Bay Area, the San Francisco Chronicle, Traditional Building Magazine, and The Reporter. Giampolini & Co. has been the recipient of several awards, including the Award of Merit and five preservation design awards.

Project by Giampolini & Co.

One Giampolini’s notable projects included the restoration of St. Dominic’s Church in San Francisco. The extensive and painstaking project required replacing over 1,000 terra cotta blocks as well as restoring over 75 beautiful stained glass windows.


Western Specialty Contractors

15061 Wicks Boulevard San Leandro, CA 94577

Western Specialty Contractors was established in 1915 by Ben Many and George Bishop, Sr., and is now led by Benjamin Bishop, Jr. Western Speciality Contractors provide multiple services across the United States, including concrete restoration, disaster recovery, masonry restoration, roofing services, and facades and rainscreen. Western Specialty Contractors has earned several awards, including the Award Of Excellence For Outstanding Concrete Repair, the Growing Green Award, the SWR Institute Trinity Award, a Transformation Award, The Builders’ Association 75-Year Diamond Membership Club Award, and the AGC ZERO Recordable Accidents Safety Award. Western Speciality Contractors has been featured in the Facility Executive, Builder News, Mass Transit: Safety & Security, Paint & Coatings Industry Magazine, Saint Louis Construction News And Review, and Retrofit.

Project by Western Specialty Contractors

Western Specialty Contractors recently completed a $3.6 million project for the Alcatraz Federal Penitentiary, making structural repairs that brought the facility up to the seismic code for earthquakes.