From a slow leak behind the drywall to a full basement flood, San Anselmo property owners call Aqua Guard Water Damage because we show up with the right gear the first time — no guesswork, no upsells at the door.
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Aqua Guard Water Damage has spent years pulling water out of San Anselmo basements, crawl spaces, and commercial units, and that hands-on history shows in how fast our crews assess a loss. We know which San Anselmo neighborhoods sit on older clay pipe, which developments have a history of sump failures, and which zip codes flood first when storm drains back up.
Every technician on our San Anselmo roster is background-checked, licensed, and insured, and every truck is stocked with commercial-grade air movers, low-grain-refrigerant dehumidifiers, and antimicrobial treatment for contaminated water intrusion.
We invest in ongoing training as drying standards and equipment evolve, rather than treating a technician's initial certification as the finish line.

A stain that keeps reappearing after you paint over it is a signal, not a coincidence — the moisture source behind the wall hasn't been addressed and needs a moisture meter reading, not a fresh coat of paint. Repainting without finding the source just hides the problem for a few more weeks.
Musty odors that seem to follow you from room to room often mean the HVAC system is circulating spores from a hidden wet area, which spreads the problem rather than solving it.
Hardwood that's cupping at the edges or laminate that's separating at the seams is a classic sign of moisture intrusion from below, whether that's a slab leak or groundwater seepage. The longer it sits, the harder the flooring is to salvage.
An unexplained jump in your water bill is frequently the first sign of a slab leak or a failing supply line long before any visible water appears. Catching it at this stage is far cheaper than waiting for a visible flood.
Paint that bubbles or peels away from a wall, especially near baseboards, usually means moisture is pushing through from behind rather than a simple application problem.
Mold that returns after cleaning with bleach is a sign the underlying moisture source was never addressed, since surface cleaning does nothing for saturated material behind the wall.
We treat Structural Drying as one continuous job rather than a series of handoffs — the crew that extracts the water is accountable for the drying results, and the drying results determine what reconstruction is actually needed.
Standing water gets removed with commercial extraction equipment first, then we run moisture readings across every affected surface so the drying plan targets what's actually still wet, not what looks dry on the surface.
Drying logs track humidity, surface moisture, and airflow at every checkpoint, so you get documented proof the structure is dry before we close out the job — useful for your insurance claim too.
Our sewage cleanup protocol follows IICRC S500 contamination standards, isolating the affected area, removing unsalvageable materials, and disinfecting every surface that had contact with blackwater.
Once structural drying is underway, we apply antimicrobial treatments to studs, subfloor, and other porous surfaces to stop mold colonies before they establish, especially in areas that stayed wet more than 48 hours.
We handle everything from replacing water-damaged drywall and insulation to refinishing floors, so the property is restored to pre-loss condition under one contract instead of three.
Specialized cleaning techniques can often save upholstery, electronics, and documents that look like a total loss at first glance, which keeps out-of-pocket replacement costs down.



Dispatch asks enough to prep the right equipment before the truck even leaves, so the crew isn't guessing what they'll find on arrival.
Technicians arrive with moisture meters and thermal cameras to map exactly how far the water has traveled, including inside walls and under flooring where you can't see it.
Extraction and drying run as one continuous process rather than two separate visits, which keeps the timeline tighter.
Once moisture readings confirm the structure is dry, we hand you documentation and move into any needed reconstruction.
Insurance and licensing aren't just paperwork here — they're what let us stand behind the work if something doesn't go as planned.
A crew close by isn't a marketing line — it's the difference between drying equipment running in an hour versus waiting half a day.
You get a written estimate before work begins, not a surprise invoice after the drying equipment is already running.
A guarantee only means something if it's backed by a second set of moisture readings, not just a handshake at the end of the visit.
Every job closes with documented moisture verification, because a guarantee that isn't backed by data isn't much of a guarantee.
That same standard applies whether it's a single flooded bathroom or a full commercial loss — the sign-off criteria don't change based on job size.
Call +1-844-234-5373Our San Anselmo coverage area spans 94960 94978 94979, with trucks positioned to reach any address in the service radius quickly.
We track call volume by zip code across San Anselmo to keep crew staffing matched to where emergencies actually happen most often.

"I called in a panic at 11pm and someone actually picked up. The tech here in San Anselmo had air movers set up before midnight and explained exactly what they were doing and why."
James R., San Anselmo"They caught mold starting behind our drywall before it spread and contained it properly instead of just painting over the problem like a previous contractor did."
Denise M., San Anselmo"They didn't cut corners on the contaminated water cleanup even though it would have been faster to skip the sanitization step — that mattered to me given we have young kids in the house."
Marcus T., San Anselmo"Every question I asked got a straight answer, even the ones about cost, which is rare after dealing with two other contractors who kept dodging the pricing conversation."
Priya S., San Anselmo"Drying logs were shared with us daily so we always knew exactly where the job stood, not just a vague 'it's drying' update."
Carlos V., San Anselmo"Coordinating a commercial job around our operating hours could have been a nightmare, but their crew worked around our schedule without us having to ask twice."
Angela F., San Anselmo"The tech explained exactly which boards needed to come out and which ones tested dry enough to keep, so we didn't pay to replace more than necessary."
Tyrone B., San Anselmo"They explained the sump discharge issue causing our crawl space flooding in plain terms and fixed it as part of the same visit instead of scheduling a separate appointment."
Wendy K., San Anselmo