A mold inspection costs $299 to $1,075 for a home in 2026
A mold inspection costs $299 to $1,075 for a home in 2026. Bob Vila lists a national average of $656, and Angi lists $689. The price moves with the size of the home, the type of test, and how many samples go to the lab. Angi lists air tests at $250 to $350. Black mold work costs more. Get the price of each test before you book.
What price guides say
We checked 4 price guides and read every number on their pages on October 7, 2026. They do not all measure the same thing, so read each line for what it counts.
| Source | What it found |
|---|---|
| Angi | Angi lists an average mold inspection at $689, with a range of $303 to $1,075, and air tests at $250 to $350. |
| Bob Vila | Bob Vila lists a national average of $656 for a mold inspection, with a range of $299 to $1,014. |
| Fixr | Fixr lists a national average of $500 for a 2,500 square foot home with two lab tests, with a low of $300 and a high of $1,000. |
| InspectandTest | InspectandTest lists visual only inspections at $200 to $400 and full inspections with samples and thermal imaging at $700 to $1,500. |
Mold inspection and test prices
| Service | Price | Source |
|---|---|---|
| Average inspection | $689 | Angi |
| Average inspection | $656 | Bob Vila |
| 2,500 square foot home with two lab tests | $500 | Fixr |
| Air test | $250 to $350 | Angi |
| Swab test | $200 to $300 | Angi |
| Visual inspection only | $200 to $400 | InspectandTest |
| Black mold inspection | $600 to $800 | Fixr |
| Extra sample | $60 to $80 each | Fixr |
Every number in this table was read on one of the source pages listed at the bottom of this page.
What pushes the price up
| What | Why it matters |
|---|---|
| Home size | Bigger homes take more time and samples. Bob Vila lists smaller homes at $300 to $400 and homes over 4,000 square feet at $700 to $1,000. |
| Type of test | Each test has its own price. Angi lists swab tests at $200 to $300, air tests at $250 to $350, and HVAC tests at $50 to $75. |
| Number of samples | Each extra sample adds a lab fee. Fixr lists extra samples at $60 to $80 each, and InspectandTest lists air samples at $75 to $150 each. |
| Type of mold | Rare or toxic types need more care and lab work. Angi lists black mold inspections at $600 to $800 or more. |
| Where you live | City prices differ. InspectandTest lists $300 to $550 in Houston and Dallas and $600 to $900 in San Francisco, Los Angeles, and Seattle. |
What the price includes
A basic inspection covers a visual check of the home, a look at damp spots and leaks, and a written report. Lab tests, air samples, and swabs often cost extra. Fixr prices a 2,500 square foot home with two lab tests at $500. Mold removal is a separate job and costs more. It does not include tax or extras the provider adds on the day.
Who charges this and how it is billed
Mold inspectors are often independent firms, home inspectors, or environmental testers. Most charge a flat fee for the visit, then add a lab fee for each sample. Fixr lists extra samples at $60 to $80 each. Some quote by home size. Ask for the price in writing before the visit, and ask when you will get the lab results. Be careful if the same company inspects and removes the mold. A separate tester can give you a more neutral view of the problem.
When you need this
You may need an inspection if you smell a musty odor, see spots on walls, or have had a leak or flood. Health signs, like a stuffy nose or watery eyes that get worse at home, can be a hint too. Buyers also order an inspection before a home sale. If you see a large patch, an inspector can help find where it comes from.
How to judge your quote
- How many samples are in the price, and what is the fee for extra ones?
- Does the price include a lab report and a written summary?
- Is the inspector licensed or certified where you live?
- Does the inspector also sell removal, which could cause a conflict?
- Compare the total with the range above: $299 to $1,075 per inspection for most people in 2026.
Ways to pay less
- Ask whether a visual check is enough. InspectandTest lists visual only inspections at $200 to $400, below a full test with samples.
- Find and fix the leak first. Mold grows from water, so a dry home may need less testing and cost less to inspect.
- Pick an inspector who does not also sell removal, so the advice stays fair. Ask for the price of each test before you agree.
- Ask for a quote with a set number of samples, plus the price for any extra sample, so the final bill does not grow.
- Get two or three quotes and compare what is in the report. Angi lists a range of $303 to $1,075, so prices vary by hundreds of dollars.
How we got these numbers
The range on this page comes from Angi, Bob Vila, Fixr and InspectandTest. We opened each source page and read every number on it on October 7, 2026. Where the sources disagree, the table above shows each one so you can see the spread. These are planning ranges, not quotes. The written price you are given is the real price.
Common questions
How much does a mold inspection cost?
Angi lists an average of $689 and a range of $303 to $1,075. Bob Vila lists an average of $656.
How much does mold testing cost on its own?
Angi lists mold tests with air and surface samples at $250 to $500. Bob Vila lists the same range.
Does home size change the price?
Yes. Bob Vila lists $300 to $400 for smaller homes and $700 to $1,000 for homes over 4,000 square feet.
How much does black mold testing cost?
Fixr lists $600 to $800 for a black mold inspection. Angi lists $600 to $800 or more.
How much does mold removal cost after an inspection?
Angi lists mold remediation at $1,150 to $3,400. Extreme cases can reach $20,000.