Inspection & assessment
We inspect the crawl space for moisture, standing water, mold, rodent activity, and damaged insulation — and confirm what it needs.
Bay Area Crawl Space Cleaning · SPCB-Licensed · 13+ Years
Crawl Space Cleaning in the San Francisco Bay Area
Damp, dirty crawl spaces breed mold, rodents, and bad air — and much of that air rises straight into your home. We clean it out, dry it up, sanitize, and seal it against pests.
Free inspectionSPCB-licensedMoisture & mold addressed13+ years experience
Free on-site estimate · No pressure · We come to you
Why It Matters
What's in Your Crawl Space
Ends Up in Your Air
In a home with a crawl space, a large share of the air you breathe on the ground floor actually rises up from below through the stack effect. So when the crawl space is damp and full of debris, rodent droppings, or mold, those contaminants and allergens don't stay down there — they end up in your living space, along with musty odors and higher humidity.
Crawl space cleaning fixes the source. We clear out the debris and rodent waste, remove contaminated insulation and vapor barrier, address the moisture that caused it, and sanitize the space. When rodents are involved it pairs naturally with rodent control, and with fresh crawl space insulation once it's clean and dry.
- Healthier air throughout your home
- Dampness and standing water eliminated
- Rodent waste and debris removed
- Fewer airborne contaminants and allergens
- Mold and moisture issues addressed
- Store items without mold or damage worries
What's Involved
What Crawl Space
Cleaning Involves
A proper crawl space cleaning is about moisture and contamination, not just clearing junk. Here's what it covers.
Debris & waste removal
We clear out debris, rodent droppings, nesting, and general buildup safely, with proper protective equipment.
Contaminated insulation removal
Insulation and vapor barrier fouled by rodents or moisture can't be cleaned — we remove and haul it away.
Moisture control
We address the dampness, standing water, or leakage behind the problem, since moisture is what keeps mold and pests coming back.
Sanitize & disinfect
We sanitize and disinfect the space to neutralize the bacteria, allergens, and odors that rise into your home.
Seal & rodent-proof
We can seal entry points and add a fresh vapor barrier so your clean, dry crawl space stays that way.
Do You Need It?
Signs Your Crawl Space
Needs Cleaning
Crawl space trouble almost always shows up upstairs first. If any of these sound familiar, it's worth a look below.
Musty odors in the house
A persistent musty or damp smell drifting up into your rooms is one of the most common signs of a dirty crawl space.
Dampness or standing water
Moisture, puddles, or condensation under the house feed mold and rot and make the space inviting to pests.
Mold or mildew
Visible mold on framing, insulation, or the vapor barrier means moisture has taken hold and needs to be cleared.
Rodent droppings or nesting
Droppings, nests, or shredded insulation under the house are a health hazard that won't clear on its own.
Sagging or damaged insulation
Insulation falling from the subfloor is often waterlogged or rodent-damaged — a sign the space needs attention.
Humidity or allergy symptoms
A clammy home or worsening allergies can trace back to damp, contaminated air rising from the crawl space.
How We Work
Our Crawl Space Cleaning Process, Step by Step
Lasting results come from fixing the moisture and sealing the space — not just clearing it out. Here's how we work.
Free inspection
We inspect the crawl space for moisture, mold, rodent activity, and damaged insulation, and confirm exactly what it needs.
Clear debris & waste
We remove debris, rodent droppings, nesting, and any contaminated insulation or vapor barrier — and haul it away.
Address the moisture
We tackle the dampness, standing water, or leakage that caused the problem so it doesn't simply return.
Sanitize & disinfect
We sanitize and disinfect the space to neutralize the bacteria, allergens, and odors that affect your home's air.
Seal & protect
We seal entry points and can install a fresh vapor barrier so your clean, dry crawl space stays protected.
Free inspectionSPCB-licensedMoisture addressed at the source
Why Attic Pros
The Bay Area's Trusted
Crawl Space Cleaning Team
For over 13 years, Bay Area homeowners and businesses have trusted us to clean and protect their crawl spaces — because we handle the whole job, from moisture to rodents, and stand behind our work.
- SPCB-licensed (Co. Reg. #9901) & CSLB Lic. #1022608
- Diamond Certified & Angi Super Service Award winner
- Independently reviewed — verified Google ratings
- Onsite project management on every job
- Free, no-obligation crawl space inspection
- Local team with 13+ years under Bay Area homes
Real Customers, Real Results
Trusted by Bay Area Homeowners
4.8
★★★★★
Based on 1,900+ verified Google reviews — trusted for crawl space cleaning & home services across the Bay Area
Google Review
★★★★★
Finding out we had a rodent infestation for the first time was incredibly stressful, but Attic Pros made the entire process so much easier! Jeremy was very knowledgeable when help preparing the estimate and the work that needed to be done. Their team that came to perform the work—Nico Otten, Juan Rodriguez, and Antonio Lopez—were amazing from start to finish. Communication was fantastic right from the beginning. The crew was super fast, highly efficient, and left everything very clean after sanitizing our attic, crawl space, and garage. They definitely gave us total peace of mind. They were also able to finish in one day!!
Annie M
Google Review
★★★★★
Our small cottage has a very narrow attic entrance. Denis from Attic Pros was willing to try and was able to enter to clean, vacuum, and replace the old insulation. Very professional, access areas were well shielded and protected. Powerful vacuum and clean up well after themselves.
Morgan Yang
Google Review
★★★★★
Tom Best came to our house to give us an estimate on new insulation. He was on time, very thorough and provided a detailed very reasonable estimate within an hour of his visit. What more could you want?
B Kellar
Google Review
★★★★★
Samim great service my attic was left very clean meticulous. I am so happy with the work that him and his team did great service. I recommend them highly. I would give them a 10 if I could.
Darlene Galindo
Google Review
★★★★★
David from Attic Pros was professional, knowledgeable, and thorough. He clearly explained the extent of our rodent problem in the attic and showed us detailed photos and videos so we could fully understand the damage. He took the time to explain exactly what the rodents had caused and walked us through how the repairs would be completed. David was friendly, patient, and easy to talk to, making the entire process much less stressful. We really appreciated his honesty and professionalism.
Carmen Plascencia
Google Review
★★★★★
We cannot say enough good things about Attic Pros! From start to finish, it was a great experience. We initially called for attic, crawl space and duct cleaning, as well as rodent proofing (sealing vents, etc). Samim came out and did a very thorough evaluation, showing us dozens of photos of areas that needed attention. He also recommended new insulation, which we hadn’t considered and told us our dryer vent needed repair. It took us a few weeks to schedule, during which time Samim followed up periodically, never pushy, always answering our questions and providing more info. His professionalism and knowledge was a huge reason why we chose to work with Attic Pros. On the day of the job, Osman and crew cleaned the attic and crawl space and installed new installation, while Douglas repaired the dryer vent and Kevin cleaned the ducts. They did an amazing job sealing off the work areas and keeping the house clean, despite it being very messy and grueling work! They spent about 3 hours vacuuming the attic and another half a day sweeping the crawl space by hand. Their attention to detail was above and beyond what we expected. We were sooo impressed! And Samim’s recommendations were spot on - our dryer is much more efficient now and we noticed the house was cooler within hours of the new insulation being installed (it was the height of summer). We’d use and recommend them again and again!
Courtney Jung
QUESTIONS, ANSWERED
Frequently Asked Questions
Straight answers to the questions we hear most about crawl space cleaning, moisture, and keeping your home's air healthy. Still unsure? Our team is happy to help.
Still have questions?
Talk to our team — we're here to help.
(800) 543-0382Because of the stack effect: air naturally rises through a home, so a significant share of the air on your ground floor is pulled up from the crawl space. If that space is damp, moldy, or full of rodent waste, those contaminants and odors rise into your living areas — which is why cleaning the crawl space improves the air you actually breathe.
It can be. Standing moisture feeds mold and mildew, and rodent droppings and urine carry bacteria and allergens. Because that air circulates up into your home, a neglected crawl space can worsen allergies and indoor air quality — not just sit harmlessly out of sight.
It's tough and risky work. Crawl spaces are cramped, and disturbing rodent droppings, mold, or wet insulation without proper protective equipment can release harmful particles. Professional cleaning handles the removal, moisture, and sanitizing safely — and gets to the source so it doesn't come right back.
Yes. Insulation and vapor barrier fouled by rodents or soaked by moisture can't be cleaned — they hold contaminants and lose their effectiveness. We remove and haul them away, and can install a fresh vapor barrier and insulation once the space is clean and dry.
Both. Moisture is what keeps mold and pests coming back, so we address the dampness, standing water, or leakage as part of the job — and can seal the space and add a vapor barrier to keep it dry going forward.
Yes. Crawl spaces are a favorite spot for rodents, so cleaning often goes hand in hand with rodent control and rodent-proofing. We can remove the pests, seal their entry points, and clean and sanitize the space as one coordinated job.
It depends on your home, but it's worth an inspection any time you notice musty odors, moisture, or signs of pests — and after any rodent problem or water intrusion. Catching issues early keeps a small cleanup from turning into mold or structural damage.
Most residential crawl space cleanings are completed in a single visit. Timing depends on the size of the space, how much debris and contamination there is, and whether moisture work or a new vapor barrier is involved. We'll give you a clear timeline after the free inspection.
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Serving the Greater Bay Area & Sacramento Area
Crawl Space Cleaning Across the Bay Area
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Ready when you are
Book Your Free Crawl Space Inspection
Tell us what you're noticing — odors, moisture, pests — and we'll inspect your crawl space, assess it, and lay out a clear cleaning plan with no pressure.