Attics
Roof leaks and poor ventilation trap humidity against sheathing and insulation — a classic spot for hidden mold.
Bay Area Mold Removal & Remediation · 13+ Years
Mold Removal & Remediation in the San Francisco Bay Area
We don't just wipe away what you can see — we contain the area, remove the mold safely, and fix the moisture source so it doesn't grow back.
Free on-site inspectionLicensed ContractorBay Area local13+ years experience
Free on-site estimate · No pressure · We come to you
Mold & Your Health
The Real Risks of Mold —
and Why a Quick Wipe Isn't Enough
Mold is more than a cosmetic problem. The CDC and EPA note that indoor mold exposure can cause nasal congestion, throat irritation, coughing, and wheezing — and reactions can be worse for people with asthma, allergies, or weakened immune systems. Left alone, mold also feeds on and weakens the wood, drywall, and insulation it grows on.
Wiping visible mold with bleach treats the symptom, not the cause. Disturbing a colony sends spores into the air, and the moisture that fed it is still there — so it comes back. Professional remediation contains the area, filters the air, removes affected material safely, and fixes the moisture source so the problem is solved, not just hidden.
- Healthier indoor air for your family
- The moisture source found and fixed
- Contained, HEPA-filtered work area
- Affected material removed, not painted over
- Protects wood, drywall, and insulation
- A clear, no-pressure plan up front
What We Cover
Where Mold Hides —
and Where We Remove It
Mold follows moisture. These are the areas we most often inspect, contain, and remediate in Bay Area homes and businesses.
Crawl spaces
Damp soil, standing water, and low airflow make crawl spaces one of the most common mold sources in a home.
Bathrooms & kitchens
Constant humidity and small leaks under sinks and around tubs give mold everything it needs to spread.
Walls & ceilings
Behind drywall, around windows, and near past leaks — mold often grows out of sight until it stains through.
HVAC & air ducts
Condensation in ducts and equipment can circulate spores through the whole house every time the system runs.
Basements & foundations
Water intrusion and high humidity below grade make basements a frequent home for persistent mold.
Do You Have a Problem?
Signs You May
Have a Mold Problem
Mold is often hidden, but the clues usually aren't. If any of these sound familiar, it's worth a professional inspection.
A musty, earthy odor
A persistent musty smell — especially in an attic, bathroom, or basement — often means mold you can't yet see.
Visible spots or staining
Black, green, or fuzzy patches on walls, ceilings, grout, or wood are the most obvious sign of active growth.
Water stains or discoloration
Brown rings or dark streaks point to past or ongoing moisture — exactly what mold needs to take hold.
Symptoms that ease when you leave
Congestion, coughing, or irritated eyes that improve away from home can signal indoor mold exposure.
A history of leaks or flooding
A past roof leak, burst pipe, or flooded crawl space is a common trigger for mold weeks or months later.
Condensation or high humidity
Foggy windows, damp surfaces, and clammy rooms create the humid conditions mold thrives in.
How We Work
Our Mold Remediation Process, Step by Step
Real remediation is about containment and moisture control as much as removal. Here's how we handle every job.
Inspection & moisture assessment
We inspect the affected areas, trace the moisture source, and map the full extent of the growth — not just what's visible.
Containment & air filtration
We seal off the work area and run HEPA air filtration so spores don't spread to clean parts of your home while we work.
Safe removal & treatment
We remove mold and affected material using proper protective equipment and methods, and treat the surfaces that stay.
Cleaning & disinfection
We HEPA-vacuum and disinfect the area, then clean up thoroughly so the space is left safe and ready to use.
Moisture fix & prevention
We address the leak, humidity, or ventilation issue that caused the mold so it doesn't simply grow back.
Free on-site inspectionLicensed ContractorWe fix the source, not just the surface
Why Attic Pros
Trusted Bay Area Mold
Removal & Remediation
Serving residential and commercial clients for over 13 years, we handle the whole job — inspection, containment, removal, and moisture repair — and stand behind our work.
- Diamond Certified — independently rated
- Angi 2025 Super Service Award winner
- HomeAdvisor Screened & Approved
- Licensed contractor (CSLB Lic. #1022608)
- Free, no-obligation on-site inspection
- Local team with 13+ years in Bay Area homes
Real Customers, Real Results
Trusted by Bay Area Homeowners
4.8
★★★★★
Based on 1,900+ verified Google reviews — trusted for mold remediation & home services across the Bay Area
Google Review
★★★★★
These guys are awesome. Super clear comms to schedule, then received an extremely thorough consultation. We eventually decided to go with them as other shops in the area didn't communicate as well as Attic Pros.
Pedro Kroeff
Google Review
★★★★★
Tom from Attic Pros was great to work with! He was friendly, professional, and thorough during the inspection. He clearly explained everything he found and answered all of my questions. The whole process was straightforward. Thank you, Tom!
Daria Baevski
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
QUESTIONS, ANSWERED
Frequently Asked Questions
Straight answers to the questions we hear most about mold, remediation, and keeping it from coming back. Still unsure? Our team is happy to help.
Still have questions?
Talk to our team — we're here to help.
(800) 543-0382It can be. Public-health agencies including the CDC and EPA link indoor mold exposure to nasal congestion, throat irritation, coughing, and wheezing, with stronger reactions possible for people who have asthma, allergies, or weakened immune systems. Mold also damages the materials it grows on. That's why it's worth addressing promptly rather than living with it.
For a small surface spot you might, but bleach mostly treats what you can see. Disturbing mold releases spores into the air, and if the underlying moisture isn't fixed it comes right back. Professional remediation contains the area, filters the air, removes affected material safely, and corrects the moisture source — so the problem is actually solved.
Moisture. Roof and plumbing leaks, poor attic or crawl-space ventilation, flooding, and everyday humidity in bathrooms and kitchens all give mold the damp conditions it needs. Finding and fixing that moisture source is the most important part of keeping mold gone for good.
Yes — that's central to how we work. Removing visible mold without addressing the leak, condensation, or ventilation problem behind it just resets the clock. We trace the moisture source during the inspection and address it as part of the remediation.
Sometimes. Many policies cover mold removal when it results from a sudden, covered event — like a burst pipe — but often exclude mold from long-term leaks or humidity. Coverage varies, so check your policy and confirm with your insurer. We're happy to provide documentation of the work for your claim.
Yes. We start every project with an on-site inspection to locate the mold, trace the moisture source, and assess the full extent — then walk you through a clear remediation plan and a free estimate before any work begins.
It depends on how widespread the mold is and how much material is affected. Many residential jobs are handled in a single visit, while larger or hidden growth can take longer. We'll give you a clear timeline for your home once we've completed the inspection.
By fixing what caused it. Once the mold is removed, we address the leak, humidity, or ventilation issue at the root — and can recommend improvements like better attic or crawl-space ventilation and moisture control to keep conditions too dry for mold to return.
LOCALLY OWNED AND OPERATED
Serving the Greater Bay Area & Sacramento Area
Mold Removal Across the Bay Area
Local Mold Removal & Remediation
Ready when you are
Get Your Free Mold Inspection
Tell us what you're seeing or smelling and we'll inspect the area, identify the moisture source, and give you a clear, no-pressure remediation plan.