Mold Testing in Long Beach, CA

Independent mold testing for Long Beach homes, apartments, condos and small businesses — from Belmont Shore and Naples to Bixby Knolls, California Heights and North Long Beach. We collect swab and air samples, have them analyzed by an accredited third-party lab, with clear published pricing.

Long Beach mold testing prices

Example: 3 samples in one visit = $757 total. For a single apartment with one problem area, one sample is often enough; a house with a smell in several rooms may need more. We’ll recommend the smallest number of samples that answers your question and confirm the total before we schedule. Details are in our cost guide.

Why Long Beach homes get mold

Long Beach mixes beachfront neighborhoods, older apartment blocks and a wide range of single-family homes. The moisture problems we’re called about usually fall into these groups:

• Coastal air along the shore. Neighborhoods near the water, such as Belmont Shore, Naples, Alamitos Beach and Bluff Park, get damp marine air. Cool mornings can leave condensation on windows and exterior walls, and closed-up rooms may not dry out.
• Older multi-unit buildings. Long Beach has many older apartment buildings and courtyard complexes, especially near downtown and the shoreline. Aging pipes, stacked bathrooms and shared walls mean a leak in one unit can show up in another.
• Older housing on the west side and near the port. West Long Beach and other neighborhoods close to the port include many older homes, where original roofs, windows and plumbing have seen a lot of years.
• Established single-family neighborhoods. Areas like California Heights and Bixby Knolls are known for older homes, some on raised foundations with crawl spaces that can hold moisture after a plumbing leak or heavy rain.
• Flat roofs and winter storms. Low-slope roofs on older apartment buildings and storefronts can pond water during winter storms and leak into top-floor ceilings.

What we test

Surface swab testing

A swab is the right tool when you can see the problem — a dark patch on a bathroom ceiling, spotting around a window frame, or growth under a kitchen sink. The lab names the mold types found on that surface.

Indoor air quality testing

An air sample counts spores indoors and compares them with an outdoor sample collected at the same time. In a coastal city, that outdoor comparison is what makes the indoor result meaningful. It’s the better choice when you notice a smell or symptoms but can’t see growth. Learn more about swab vs. air testing.

When Long Beach clients call us

• Tenants in older buildings dealing with recurring bathroom mold or a persistent smell (tenant guide)
• Landlords and property managers who want documented results between tenants or after a complaint
• After a water heater, pipe or roof leak (testing after a leak)
• Buyers of an older home or condo during escrow (testing before you buy)
• After remediation, to confirm indoor air is back in line with outdoors

We only test, so tenants and landlords get the same independent results with nothing to sell either side. Long Beach is part of our Los Angeles County service area, and we also cover all of Orange County next door.

Long Beach neighborhoods and nearby areas

Long Beach neighborhoods

• Belmont Shore
• Belmont Heights
• Naples
• Alamitos Beach
• Bluff Park
• Downtown Long Beach
• Bixby Knolls
• California Heights
• Los Altos
• Rose Park
• Wrigley
• El Dorado Park
• North Long Beach
• West Long Beach

Nearby cities

• Signal Hill
• Lakewood
• Seal Beach
• San Pedro
• Wilmington
• Carson
• Bellflower
• Paramount

Whether you’re on the Peninsula or up in North Long Beach, we can schedule a visit.

Long Beach mold testing FAQ

Related: Los Angeles County mold testing · Services & prices · How to read mold test results · FAQ