Mold Inspection In Fairwood, WA

Fairwood sits just north of the Spokane city limits, between Division and the Little Spokane River valley, in the belt of unincorporated north-side neighborhoods that also includes Country Homes, Town and Country and the Whitworth area. It was built out mostly between the late 1960s and the 1990s, and that timing shows up in the houses. Split levels, tri-levels, daylight basements, ranch homes with finished lower levels, and lots that step down toward the drainages.

That is a specific construction era with specific failure points, and it is not the same set of problems you get in a pre-1930 South Hill house or a 2010 Liberty Lake build.

We test only. We do not perform remediation and we take no referral fees from remediation companies. Base inspection is $425 including one indoor air sample plus an outdoor control, with no trip fee to Fairwood.

What goes wrong in a north-side daylight basement

Grade that has moved. A house built in 1978 with correct positive drainage away from the foundation has had almost fifty years of settling, landscaping, added planting beds, new patios and mulch piled against siding. Grade drifts flat and then negative. On the slope down toward the Little Spokane and along the Wandermere flats, that means surface water and irrigation run toward the lower level instead of away from it.

Window wells. Daylight and egress basements have them, and they fail predictably. A well with no drain, or with a drain that silted shut two decades ago, fills during snowmelt or a heavy rain and pushes water through the window frame into the finished basement. It is one of the most common single sources we document on this side of town.

Irrigation and sprinkler overspray. Fairwood has lawns and most of them are on automatic systems. A head that drifted or a zone that runs long puts water against a foundation multiple times a week, every week, all summer. Homeowners rarely connect a July soaking cycle to a damp basement wall, because it does not look like a leak.

Finished lower levels hiding everything. This is the core issue. A finished basement with carpet, pad, framed walls and drywall will conceal a slow seepage line for years. There is no drip and no visible stain until material fails. By the time it smells, the pad and the bottom plate have usually been damp on and off for several seasons.

Bath fans and 1970s attic ventilation. Homes of this era often have marginal attic ventilation by current standards, and bath fans that were added or replaced without being properly ducted to the exterior. Warm moist air into a cold attic condenses on sheathing, and you get a patch above the bathroom.

Ice dams. North Spokane gets the full regional snowfall, which averages 43.9 inches a year, and split-level rooflines with multiple planes and low-slope sections at the entry are prone to dam formation at the eave. Meltwater backs up under the shingles and into the top plate. The stain shows in spring, months after the cause.

Frozen pipes in the lower level. Nationally, frozen pipes and cold weather damage account for roughly 7% of insurance claims and burst pipes are the third costliest loss event in the country behind hurricanes and tornadoes at around $1.4 billion a year. Garage-adjacent walls and lower-level plumbing on north elevations are where it happens here.

Geography and utilities worth knowing

Fairwood sits on the northern edge of the Spokane Valley Rathdrum Prairie Aquifer where the ground steps down toward the Little Spokane River. The soil is glacial outflow gravel, generally well drained, which is why the area supports so many basements at all. Five Mile Prairie rises to the west and the ground falls away to the north toward the river and the Wandermere area.

The utility history is worth mentioning because it affects yards. Much of this area was on individual septic systems well into the 1980s and 1990s, before the county's aquifer protection sewering program brought sewer service in. Homes that converted may still have an abandoned tank and drainfield in the yard, and an old collapsed drainfield can move water in directions nobody anticipates. Water service through this area comes largely from local district wells rather than the City of Spokane system.

What the inspection includes

Plan on one to two hours for a typical Fairwood home. A larger house with a full finished lower level runs longer.

• Thermal imaging across lower-level walls, ceilings and the base of exterior walls. On finished basements this is the tool that matters most, because it reads temperature differentials behind intact drywall and paint.
• Moisture meters, pin and pinless, to confirm what the camera indicates. A differential is not proof. A meter reading is.
• Exterior walk for grade, downspout discharge, window well condition and drains, irrigation head placement, and siding-to-grade clearance.
• Attic inspection for bath and dryer terminations, insulation coverage, and sheathing condition at eaves and ridge.
• Psychrometrics in each level and outdoors: relative humidity, temperature and dew point. Lower levels run cooler, which matters for interpreting humidity readings.
• Borescope into wall cavities and boxed spaces where water may have traveled, so we can look rather than guess.
• Air sampling with a calibrated pump drawing a measured volume through an Air-O-Cell or Allergenco-D spore trap cassette, sent to an accredited lab for direct microscopic examination.
• Surface sampling by swab or tape lift on any visible growth, to confirm identification.

Every job includes an outdoor control sample. Outdoor air always carries mold spores, so an indoor spore count means nothing without a same-day outdoor baseline from the same property. Elevated means elevated relative to outside. Any report that gives you indoor numbers alone has skipped the step that makes them interpretable.

Pricing

No trip fee in Fairwood or the surrounding north-side neighborhoods. Lab results are typically back in one to three business days, with the report inside a day of results.

Radon deserves attention specifically in this neighborhood. Spokane County is EPA Radon Zone 1, the highest tier, and a finished daylight basement used as living space or bedrooms is the exact situation where a test is worth running. It is a two-visit service, since the monitor sits 48 hours.

We do not sell the cleanup

Washington does not license mold inspection, assessment or remediation. The Department of Health publishes guidance and nothing more, so anyone can call themselves an inspector and most of the ones who do also sell remediation. That means the party judging whether you have a problem is also the party who bills to fix it.

New York banned that under Labor Law Article 32. Washington did not, so the separation has to be chosen. We test, we document, we deliver a report, and we have no next step to sell you. If you need a remediation contractor, we will give you names and tell you what to ask, and we take no fee from any of them.

We also do not exaggerate what mold does. There is no diagnostic test tying a specific mold to a specific symptom, and CDC has never established a causal link between Stachybotrys and serious illness. Documented effects are allergic reaction, asthma triggering and upper respiratory irritation in sensitive people, plus real infection risk for the severely immunocompromised. Being honest about that is part of why our reports are useful.

Frequently asked

My basement smells musty only after it rains hard. What causes that? Usually surface water reaching the foundation, most often through a window well, a downspout that discharges at the wall, or a negative grade section. The smell appears because material behind the finished wall gets damp and then dries. Thermal imaging during or shortly after a wet period is the best way to catch it.

Do I have to tear out the finished basement to find out? No, and that is the whole point of doing this before demolition. Thermal imaging, moisture meters and a borescope through a small hole let us locate the wet area and the likely path without opening walls. If demolition turns out to be necessary, at least you will know where and why.

My house is from 1982. Is asbestos or lead a concern too? Different question, different testing, and a 1982 build is past most of the highest-risk period for both. We do not test for either. We will tell you plainly what is outside our scope rather than adding services you do not need.

Our home inspector wrote "microbial growth observed" in the crawlspace. Is that serious? It is a flag, not a verdict, and inspectors are required to stop there. WAC 308-408C-030 excludes environmental hazards including mold from the Washington home inspection standards of practice, and WAC 308-408C-050 requires the pre-inspection contract to state that mold will not be investigated unless separately agreed in writing. A tape lift plus air sampling turns that phrase into an actual answer, usually within a week.

Should I test before or after replacing the sprinkler system? Before. If irrigation is contributing, we want to see the moisture pattern while the cause is still active. Fixing the source first is right, but testing first tells you whether there is anything inside the wall that fixing the source will not resolve.

How long does the whole process take end to end? Site visit of one to two hours, lab turnaround of one to three business days, and your report within a day of results. If you are on a real estate deadline, rush lab is $100 and we will schedule around you.

Book an inspection

Describe what you are seeing in the lower level, or the smell you cannot locate, and we will tell you whether testing will answer it. Fairwood appointments are generally available within a few days.