Looking for a mold remediation company in Half Moon Bay, CA? Describe your project once and up to five mold remediation pros who work in Half Moon Bay and San Mateo County get back to you with a quote. It's free and there is no obligation.
Half Moon Bay is home to about 11,324 people (2024 Census Bureau estimate), a shrinking community (−4.0% since 2020). With 1,814 people per sq mi, it is a suburban area. Leaks, humid summers, basements and crawl spaces are the usual sources of mold problems in local homes.
Half Moon Bay at a glance
- Population (Census Bureau estimate, 2024)
- 11,324 (−4.0% since 2020)
- Rank in California
- 357th of 482 cities and towns
- Land area
- 6.2 sq mi
- Population density
- 1,814 people per sq mi (suburban)
- Type
- City (Half Moon Bay city)
- Main county
- San Mateo County
What to check before hiring in Half Moon Bay
- License: in California, check whether the state licenses mold assessors and remediators.
- Independence: where allowed, an assessor separate from the remediator gives a neutral scope and clearance.
- Moisture first: the quote should say how the source of moisture is fixed.
- Price drivers: area affected, containment, materials removed and HVAC cleaning.
Useful official resources
Services available in Half Moon Bay
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Mold remediation
Containment, removal and cleaning of mold growth, with the moisture source fixed.
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Mold inspection and testing
Independent inspection, moisture mapping and sampling before or after remediation.
Frequently asked questions in Half Moon Bay
How much does mold remediation cost in Half Moon Bay, CA?
It depends on the size and location of the growth and the materials to remove. Describe the problem: pros who serve Half Moon Bay reply with a quote.
How long does it take?
Small jobs take a day or two; larger ones with drying and rebuilding take longer.
Will the mold come back?
Not if the moisture source is fixed. Ask what the pro recommends to keep the area dry.
Which mold remediation pros will contact me?
Up to five independent mold remediation pros who serve Half Moon Bay and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.