Toxic and black mold
Black Mold Removal in Boulder
Careful, contained removal of dark mold growth from Boulder homes, with an air test after to confirm the spore count is back to normal.
- Mold-only specialists
- Full containment & HEPA filtration
- Independent clearance testing
- Free estimates
You found a dark patch of mold and now you are worried. That is a normal reaction. Mold Removal Boulder Co. removes black mold from Boulder-area homes with full containment, HEPA filtration, and an air test afterward to check the spore count is back to normal. We will also give you straight information, not a sales pitch built on fear.
Call now and we will tell you what we are likely looking at and what the job involves.
Proud to serve Boulder County
We cover Boulder, Longmont, Lafayette, Louisville, Superior, Erie, Broomfield, Gunbarrel, Niwot, and the towns around them.
What the job includes
- Containment first. We seal the room with sheeting and run negative air. Nothing about a black mold job is casual.
- HEPA air scrubbing. Filters run the whole time to catch spores kicked loose during the work.
- Controlled removal. Grown-over drywall and soft insulation come out in bags, sealed inside the containment. We HEPA-vacuum framing and hard surfaces, clean them, and treat with an antimicrobial.
- Sealed disposal. Bagged material goes straight out, no dragging it through clean rooms.
- Air clearance test. We recommend an outside lab test after. It compares the indoor spore count to outdoors and to normal ranges, so the all-clear comes from a third party.
Is black mold dangerous?
Here is the honest version. Black mold usually means a type called Stachybotrys, but plenty of harmless molds look dark too. Colour on its own does not tell you how risky a patch is.
What matters is how much mold there is, whether it is disturbed, and who is breathing the air. Any indoor mold can affect air quality and may bother people with allergies or asthma, and some people are more sensitive than others. The health agencies, including the EPA, say the same thing: you do not need to identify the exact species, because the response is the same. Get it out, fix the water, and keep the area dry.
We do not diagnose health problems and we will not tell you mold caused an illness. If someone in the home feels unwell, that is a conversation for a doctor. Our job is the mold.
Why you should not disturb it yourself
Scrubbing a big patch of black mold with a brush and bleach does two things. It sends a cloud of spores into the air you are breathing, and it usually leaves the roots in porous materials so it grows back. Bleach also does not do much on drywall or wood, because it cannot reach into the surface.
Small spots, under about a square metre, on a hard surface like tile, are often fine to clean yourself with soap and water and good ventilation. Anything bigger, anything on drywall or into framing, or anything you are nervous about, is worth a call.
How black mold gets into Colorado homes
People are surprised to see mold in a dry climate. It still needs a wet spot, and Front Range homes have plenty: basements and crawl spaces that stay cool and damp, bathrooms with weak fans and no window, behind kitchen and laundry appliances, attic sheathing after winter ice dams, around swamp coolers and the ducts that feed them, and anywhere a slow leak has been running for months.
How soon can you come out?
For most of Boulder County and the north metro, we can be at your door within a day or two. Urgent jobs, like a real-estate deadline or a flooded basement, we try to see the same day. Call and tell us the situation and we will give you a real timeline, not a maybe.
Before we arrive, you can help by keeping the area dry and closed off. Shut the door to the room, turn off any fan or HVAC vent that blows across the mold, and do not scrub or disturb it. Photos of the spot and anything you know about past leaks make the estimate faster and more accurate.
Why choose Mold Removal Boulder Co.
We only do mold
Every crew has removed dark mold from homes like yours, many times.
No fear-selling
We tell you what is there and what it takes to fix. If it is small, we say so.
Independent testing
We want an outside lab to sign off, not just us.
Local crews
Fast to reach you across Boulder County and the north metro.
Worried about black mold?
Call for a straight answer, or send photos and details for a free estimate.
Questions about this service
What are the signs of black mold in a house?
A musty, earthy smell that will not go away, dark green or black patches with a slightly furry or slimy look, and staining that spreads over weeks. Often it is near a past leak, a bathroom, or a basement wall. A smell with no visible growth still means water somewhere.
Do I need a mold test before removal?
Not always. If there is a clear patch of growth and a known water source, testing first mostly confirms what you can already see. A test is more useful when mold is hidden, when a sale or a dispute is involved, or as a clearance check after the work.
Can black mold be fully removed?
The visible growth can be removed and the materials it is in can be taken out or cleaned. Spores cannot be removed from the air completely, because they are everywhere at low levels. The goal is normal levels and a dry space, confirmed by a clearance test.
Will the black mold come back after removal?
Not if the water source is fixed. Mold needs moisture. If the leak is repaired, the crawl space is sealed, or the bathroom gets a working fan, treated areas stay clear. If the moisture returns, so will the mold.