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Protect Your Commercial Property From Water Damage – Once and For All
From retail storefronts and medical offices to mixed-use buildings, Keith Weber Company keeps Bay Area commercial properties dry, safe, and open for business.
Protecting Homes and Commercial Buildings from Water Damage Since 1992
For more than 30 years, Keith Weber Company has provided exterior waterproofing for boutique commercial spaces across San Francisco and the greater Bay Area. We don’t just patch leaks—we protect the entire building envelope so your tenants, customers, and investment stay secure in every storm.
Foundation & Below-Grade Waterproofing
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Polymer coatings for foundation walls
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Drainage boards and protection systems
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Engineered drain piping to daylight or sump pumps
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Flat Roof & Roof Deck Waterproofing
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Flat and low-slope roofing systems
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Leak tracing and detail repairs
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Long-term, watertight membranes
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Facade, Sealant & Joint Systems
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Window, door, and curtain wall sealing
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Joint sealants for stucco, concrete, brick, and siding
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Repair of cracks and weather-worn surfaces
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Diagnostics & Water Intrusion Testing
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Detailed leak investigations
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Targeted testing to confirm sources
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Clear, written recommendations you can budget around
On Time, Reliable, Guaranteed Work
Stop Leaks Before They Become Vacancies
We specialize in commercial properties that are large enough to matter—but small enough that every repair hits your bottom line.
Our team regularly works on:
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Street-level retail and restaurants
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Professional and medical office buildings
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Mixed-use and live-work spaces
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Small apartment and condo buildings
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HOA common areas, garages, and courtyards
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Schools, churches, and community facilities
If your building has tenants, customers, or staff depending on it, we can waterproof it.