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Woodland Hills, CA 91364 & 91367 • West San Fernando Valley

Mold Inspection in Woodland Hills, CA

Independent, certified professional mold inspectors serving the Woodland Hills, CA 91364 and 91367 communities. Test-only — we never sell remediation to ensure unbiased recommendations.


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Your Friendly Test Only Inspector - Tanjun Mold Inspections

Woodland Hills Mold Inspection & Testing Professionals

Check your Woodland Hills (91364 & 91367) home or condo for mold, moisture, and air quality issues. Schedule your Test-Only inspection.

Call Your Test-Only Inspector (818) 964-1533

Local Housing & Environmental Insights • 91364 & 91367

Woodland Hills Housing & Mold Risk Factors

South-of-Ventura Hillside Homes, Mid-Century Ranches & Warner Center

Stretching from the Santa Monica Mountain foothills south of Ventura Boulevard (91364) across the valley floor toward Warner Center (91367), Woodland Hills features a distinct blend of 1950s–1970s mid-century ranch homes, post-and-beam residences, custom hillside estates, and multi-family condominiums.

In foothill neighborhoods like Girard, Vista de Oro, and Walnut Acres, sloped lots and retaining walls must manage heavy winter storm runoff, while valley-floor slab-on-grade homes frequently experience aging copper plumbing pinhole leaks and flat-roof drainage wear.

Santa Monica Mountain Hillside Runoff Sloped lots south of Ventura Boulevard experience elevated hydrostatic pressure during winter rainstorms, pushing moisture against retaining walls and walk-out lower levels.
Heavy Summer AC & Duct Condensation Extreme 100°F+ summer heat drives continuous AC operation, increasing the risk of clogged condensate pans, sweating attic ducts, and supply register moisture.
Mid-Century Flat & Low-Slope Roof Ponding 1950s–1970s post-and-beam and ranch additions with low-slope rooflines or clogged scuppers can hold standing rainwater and develop slow membrane leaks.
Slab-Level Copper & Galvanized Plumbing Wear Original supply and drain pipes encased in older concrete slabs or behind vintage tile walls are prone to pinhole leaks that go unnoticed beneath flooring.
Raised-Foundation Crawl Space Dampness Older hillside and Walnut Acres homes with raised foundations often lack ground-cover vapor barriers, allowing damp soil moisture to rise toward subflooring.
Warner Center Multi-Family Plumbing & Exhaust In Woodland Hills townhomes and condos, shared vertical plumbing stacks, upper-unit shower pans, and restricted bathroom exhaust ducts can trap indoor humidity.
Retaining Wall & Lower-Level Baseboard Seepage Subsurface moisture migrating through hillside concrete block or poured walls frequently causes efflorescence and dampness behind lower-level drywall and built-ins.
AC Air Handler & Ceiling Register Growth Condensation buildup inside attic air handlers or around cold metal supply vents often creates localized fungal spotting on surrounding ceiling drywall.
Slab Moisture & Flooring Discoloration Hidden slab leaks or moisture vapor emission through older concrete slabs without vapor barriers can warp hardwood and discolor laminate or LVP flooring.
Flat-Roof & Skylight Ceiling Staining Weathered skylight flashings and low-slope roof seams allow winter rainwater to dampen attic insulation and ceiling framing.
Kitchen Island & Primary Bath Wall-Cavity Leaks Slow supply-line drips and worn shower pan liners in remodeled or original bathrooms often feed hidden moisture inside wall cavities before visible staining appears.

Check your Woodland Hills home from hillside runoff, slab leaks, and AC moisture issues. Schedule an unbiased inspection today.

Your Friendly Technical Interpreter. Test-Only

Mold Inspection & Testing Services in Woodland Hills

Home Mold Inspections

Mold Inspections

Visual inspections that may include moisture content readings, humidity measurements, and checking common areas where moisture intrusion is often a risk. Includes a detailed written report with findings and recommendations.

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Air & Surface Lab Testing

Lab Testing

Our professional mold samples are analyzed by an AIHA-accredited laboratory, with standard results typically available within 2 business days. Rush processing, including next-business-day reporting, is available for an additional fee.

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Indoor Air Quality Testing

Indoor Air Quality Testing

Evaluate airborne mold spores, species detected, and ambient air quality. When appropriate, wall cavity air sampling may also be performed.

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Post-Remediation Clearance

Post Remediation Clearance Testing

PRV (Post Remediation Verification) or Clearance Testing services involve independent verification and testing to ensure mold remediation was successfully completed.

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Real Estate Mold Inspections

Pre-Sale Home Inspections

A vital aspect for performing due diligence during real estate transactions, Tanjun Mold Inspections offers pre-purchase and pre-sale inspections for buyers, sellers, and agents in Woodland Hills and nearby communities.

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Water Damage & Moisture

Water Damage Assessments

Promptly identify hidden moisture and potential mold growth after leaks, floods, or plumbing failures to minimize damage.

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Residential Inspection & Testing - Starting Prices

Prompt turnaround times, detailed reports, and friendly, easy-to-understand explanations.

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Standard Home Mold Inspection

$350+

Base fee starting at $350 for homes up to 1,500 sq. ft.

AIHA Lab Testing Samples

$95

Per air or surface sample analyzed by an AIHA-accredited lab.

Indoor Air Quality (IAQ) Only

$440+

Starting at $440 for targeted air quality only visit & lab report.

Post Remediation Clearance

$550+

Starting at $550 for independent PRV visual, moisture & air testing.

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Schedule Your Woodland Hills Mold Inspection

If you’re buying a home, noticing a musty odor, or dealing with past water damage or AC condensation, a professional mold inspection can help you make informed decisions.

Professional mold inspections and Indoor Air Quality Testing in Woodland Hills, CA can help you identify potential risks early on to maintain a healthy indoor environment — with accurate, reliable results you can trust.

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EDUCATOR. NEIGHBOR. SPECIALIST.

Why Customers Choose
Tanjun Mold Inspections

Educator

Your Friendly Tech Interpreter

Your Friendly Test Only Inspector - Tanjun Mold Inspections

"Takes Time to Teach..."

We take time — to provide a friendly and understandable explanation of the inspection findings and the technical details of the report to customers — who are not lab techs.

Neighbor

Your Local Small Business

Your Friendly Small Business - Tanjun Mold Inspections

"Opposite of Corporate..."

Since we're not a chain or franchise — we are not under pressure to meet corporate sales quotas. Instead, we invest in the time and personal attention needed for each unique job.

Specialist

Your Certified Lab Service

Your Certified Lab Service - Tanjun Mold Inspections

AIHA Certified

All air and surface samples are logged and processed utilizing trusted, independent AIHA-accredited laboratories with secure chain-of-custody protocols. Reliable data — means informed decisions.

AIHA LAP Accredited Laboratory Logo Badge

Samples are sent to an AIHA (American Industrial Hygiene Association) accredited laboratory that specializes in environmental microbiology.

ENVIRONMENTAL MICROBIOLOGY


Lab Reports

What Kind of Information is Contained in Lab Reports?

They provide very technical and detailed information that we analyze and summarize so that it is more friendly and useful to our customers.

The lab analysis will report on any mold found, the amount and the mold types detected (such as Aspergillus/Penicillium, Stachybotrys, Chaetomium, Ulocladium). We determine whether the sample indicates:

  • NORMAL FUNGAL ECOLOGY An indoor environment that reflects a normal fungal ecology
  • SETTLED SPORES An indoor environment that is contaminated with some settled spores
  • ACTUAL GROWTH An indoor environment that is contaminated with actual mold growth and associated spores
FUNGAL DICTIONARY

What are common mold types found indoors?

Select a mold genus below to review its environmental characteristics and common indoor substrates.

Lab technician holding petri dish with mold growth analysis
Alternaria

Alternaria is one of the most common molds and is abundant worldwide. This genus contains around 40 to 50 different species, only a few of which are commonly found indoors. Alternaria spores are easily dispersed through the air by wind. Alternaria can grow on a variety of substrates indoors when moisture is present.

Cladosporium

Cladosporium is an abundant mold worldwide and is normally one of the most abundant spore types present in both indoor or outdoor air samples. This genus contains around 20 - 30 different species. Cladosporium produces dry spores that are formed in branching chains. Spores are released by twisting of the spore-bearing hyphae as they dry. Thus, the spores are most abundant in dry weather. Cladosporium can be found anywhere indoors, including textiles, bathroom tiles, wood, moist windowsills, and any wet areas in a home. Some species of Cladosporium grow at temperatures near or below 0(C) / 32(F) and can often be found on refrigerated foodstuffs and even frozen meat.

Penicillium / Aspergillus

Penicillium / Aspergillus are two separate genera of molds that are so visually similar that they are commonly discussed together as a group. Together, there are approximately 400 different species of Penicillium / Aspergillus. Penicillium / Aspergillus produce dry spore types that are easily dispersed through the air by wind. These fungi serve as a food source for mites, and therefore can be dispersed by mites and various insects as well. Penicillium / Aspergillus are found throughout the home. They are common in house dust, growing on wallpaper, wallpaper glue, decaying fabrics, wallboard, moist chipboards, and behind paint. They have also been isolated from blue rot in apples, dried foodstuffs, cheeses, fresh herbs, spices, dry cereals, nuts, onions, and oranges.

Chaetomium

Chaetomium is a common mold worldwide. This genus contains around 80 - 90 different species. Chaetomium spores are formed inside fruiting bodies. The spores are released by being forced out through a small opening in the fruiting body. The spores are then dispersed by wind, water drops, or insects. Chaetomium can grow in a variety of areas indoors, but is usually found on cellulosebased or woody materials in the home. It is very common on sheetrock paper that is or has been wet.

Stachybotrys

Stachybotrys is ubiquitous in nature. This genus contains about 15 species. Stachybotrys produces wet slimy spores and is commonly dispersed through water flow, droplets, or insect transport, less commonly through the air. Stachybotrys is common indoors on wet materials containing cellulose such as wallboard, jute, wicker, straw baskets, and other paper materials.

Woodland Hills, CA 91364 & 91367 • Local Mold Insights

Woodland Hills Mold Inspection FAQ

How does Santa Monica Mountain hillside runoff affect Woodland Hills homes south of Ventura Boulevard?

Hillside properties in Woodland Hills (91364) — including Girard, Vista de Oro, and neighborhoods bordering Topanga Canyon — sit on steep slopes along the northern flank of the Santa Monica Mountains. During winter rainstorms, surface runoff and subsurface groundwater can press against concrete retaining walls, walk-out lower levels, and foundation stem walls.

Why do high summer temperatures in Woodland Hills contribute to AC condensation and moisture issues?

Woodland Hills regularly records some of the highest summer temperatures in the San Fernando Valley, driving continuous air conditioning usage. Clogged condensate drain lines, sweating ductwork in hot attics, and sharp temperature differences between cooled rooms and exterior walls can create localized condensation.

What moisture risks are common in 1950s–1970s mid-century homes in Woodland Hills?

Established Woodland Hills neighborhoods often feature mid-century ranch and post-and-beam homes with flat or low-slope rooflines prone to rainwater ponding, original copper or galvanized plumbing lines susceptible to pinhole leaks, and older concrete slabs built without modern vapor barriers.

How much does a mold inspection cost in Woodland Hills?

A standard home mold inspection in Woodland Hills starts at $350 for homes up to 1,500 square feet. AIHA-accredited lab samples are $95 per sample, Indoor Air Quality testing only starts at $440, and Post Remediation Clearance Testing starts at $550.

FAQ

Mold Frequently Asked Questions

Our Credentials


MICRO Certified Mold Inspector CMI # 86294

InterNACHI (International Association of Certified Home Inspectors) Certified Mold Inspector

Member # NACHI25081826  |  Certificate # 1755634505

IAC2 Certified, IAC2 Mold Certified (International Association of Certified Indoor Air Consultants)

Certification ID: IAC2-95070

Friendly Communications. Lab Backed Data.

Our Process

Tanjun Mold Inspections performing- Professional Performing Visual Inspections

Visual Inspections

We start with performing a visual inspection of the property, focusing on areas where there may be water damage, moisture issues or suspected mold growth.

Tanjun Mold Inspections - Advanced Tools for Taking Environmental Measurements

Environment Readings

With the help of specialized tools we may take environmental readings such as Moisture Content (MC) or humidity levels in order to identify any potential issues.

Tanjun Mold Inspections - Lab Analysis for Mold Samples

Lab Testing & Analysis

Surface and Air samples may be recommended depending on the inspection findings or customer concerns. Such samples are sent to an AIHA Accredited Lab that specializes in identifying and analyzing mold.

Tanjun Mold Inspections Providing a Comprehensive Findings and Recommendations Report

Findings & Recommendations

Once all of the data is collected, we provide a report of our findings. If a mold growth problem is identified, a Remediation Protocol is outlined.

CONTACT US

Our Process - Advanced Tools for Taking Environmental Measurements

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Let Us Know Your Situation!

PHONE Call (818) 964-1533

EMAIL tanjunmold@gmail.com

SERVICE AREAS

Los Angeles County, CA

Ventura County, CA



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