Mold & Indoor Air Quality
Services in
Winchester
Lab-Certified Testing · Free Inspections · Professional Remediation
RCR Environmental provides comprehensive mold and air quality services across Winchester — from the Adeline's Farm master-planned community near Benton Road to French Valley, Lake Skinner, and the Diamond Valley Lake corridor. Whether you need testing, inspection, or remediation for your home or outbuildings, we deliver reliable results and clear guidance.
Environmental Services for Winchester Homes
Winchester is a census-designated place in Southwest Riverside County that saw significant growth during the early-to-mid 2000s housing boom, adding master-planned subdivisions like Adeline's Farm near Benton Road and Winchester Road alongside the area's existing semi-rural parcels with larger lots, garages, and outbuildings. The median year of construction across Winchester is often cited around 1988, but a large share of the subdivision homes date from the late 1990s through 2008: stucco exteriors, concrete tile roofs, slab-on-grade foundations, two-story floor plans with attached garages, and HVAC systems designed for year-round cooling.
That mix of older rural properties and fast-growth subdivision era homes creates a specific set of moisture risks. In the newer tracts, recurring service calls center on roof leaks at penetrations and transitions, bathroom and laundry supply line failures, and stucco/window interface leaks that show up as one persistent damp wall. On the larger lots near Lake Skinner and Diamond Valley Lake, garages, sheds, and outbuildings add risk from slow leaks that go unnoticed in less-visited spaces. We provide lab-certified testing, professional inspection, remediation guidance, and air quality evaluation tailored to Winchester's housing stock and terrain.
CERTIFIED & Recommended




















Our Services in Winchester
We offer a full range of mold and indoor air quality services across Winchester. Each service targets a different stage of the process — from detection through resolution — including garages, storage buildings, and outbuildings on larger lots.
Mold Testing
Lab-certified air cassette sampling, wall cavity screening, HVAC duct analysis, and surface swab/tape lift identification.
Mold Inspection
Free visual assessment with thermal imaging, moisture detection, and expert evaluation of your Winchester property and outbuildings.
Mold Remediation
Professional containment, removal, and restoration for Winchester homes — including whole-home decontamination and HVAC/duct cleaning.
Air Quality Testing
Comprehensive indoor air quality assessment to identify pollutants, allergens, and mold spores in your Winchester environment.
Water Damage
Emergency water damage restoration, professional dry-outs, and sewage cleanup with direct insurance billing.
Common Moisture Issues in Winchester Properties
With a median build year around 1988 and significant subdivision growth from the late 1990s through 2008, Winchester homes span two distinct profiles: older semi-rural properties with outbuildings and newer stucco-and-tile tract homes. Here are the moisture patterns we encounter most often:
When to Call Us in Winchester
If any of the following apply to your Winchester home, a professional assessment can help you understand what's happening and what to do next:
Schedule Your Winchester Mold Assessment
Serving Winchester & Surrounding Areas
Whether you're in the Adeline's Farm master-planned community, the French Valley corridor, or the larger lots near Lake Skinner and Diamond Valley Lake, our team provides thorough mold and air quality services tailored to Winchester's mix of subdivision homes and semi-rural properties. Free inspections, lab-certified testing, and professional remediation—all from one trusted local provider.
About Winchester
Winchester is a census-designated place in Southwest Riverside County that blends a semi-rural character with newer master-planned development. Larger lots with garages, outbuildings, and proximity to both Lake Skinner Recreation Area and Diamond Valley Lake sit alongside subdivision communities like Adeline's Farm that arrived during the early-to-mid 2000s housing boom. Land use and development are managed through Riverside County Planning, while local concerns are addressed by the Winchester Municipal Advisory Council.
According to Data USA and Census Reporter, Winchester's median year of construction is often cited around 1988, though a significant share of homes date from the fast-growth subdivision era of the late 1990s through 2008. That mix creates a range of moisture risks: older rural properties with sheds and utility rooms where slow leaks go unnoticed for months, and newer tract homes where roof penetration leaks, bathroom supply line failures, and stucco/window interface issues produce the recurring damp walls and baseboard swelling we see on service calls.
Nearby recreation at Diamond Valley Lake Marina and facilities managed through the California Department of Boating & Waterways reflect the outdoor-oriented lifestyle that shapes moisture patterns across Winchester properties. The Adeline's Farm community represents the kind of newer master-planned neighborhood where aging components in 15–20-year-old homes are now generating the moisture complaints that bring homeowners to us.
Nearby Service Areas
We also provide mold and air quality services in these nearby communities:

Mold & Indoor
Air QualityBy the numbers
Indoor Air Pollution
Time Spent Indoors
Asthma & Dampness/Mold
Homes With Dampness/Mold Indicators
Most people spend about 90% of their time indoors, which means indoor air quality matters more than many realize. The EPA notes that some indoor pollutants can be 2–5× higher than outdoors (and in certain situations, far higher). In Winchester's mix of older semi-rural properties and fast-growth subdivision homes — where roof penetration leaks, supply line failures, and stucco/window interface issues are common — testing and inspection are critical for identifying problems before they compound.
If your Winchester home has had water damage, a persistent damp wall, baseboard swelling near a bathroom, ceiling staining after storms, or an unexplained musty smell — especially in a fast-growth era home with original plumbing and roofing components — a targeted inspection and testing plan can help confirm what's happening and identify the source.
Sources: U.S. EPA; Mudarri & Fisk (Indoor Air); LBNL Indoor Air Quality Research

Mold & Indoor
Air QualityBy the numbers
Indoor Air Pollution
Time Spent Indoors
Asthma & Dampness/Mold
Homes With Dampness/Mold Indicators
Sources: U.S. EPA; Mudarri & Fisk (Indoor Air); LBNL Indoor Air Quality Research
Most people spend about 90% of their time indoors, which means indoor air quality matters more than many realize. The EPA notes that some indoor pollutants can be 2–5× higher than outdoors (and in certain situations, far higher). In Winchester's mix of older semi-rural properties and fast-growth subdivision homes — where roof penetration leaks, supply line failures, and stucco/window interface issues are common — testing and inspection are critical for identifying problems before they compound.
If your Winchester home has had water damage, a persistent damp wall, baseboard swelling near a bathroom, ceiling staining after storms, or an unexplained musty smell — especially in a fast-growth era home with original plumbing and roofing components — a targeted inspection and testing plan can help confirm what's happening and identify the source.
Related Services
Depending on what we find in your Winchester home, you may need testing, inspection, or remediation. Here are the services most commonly paired together—from Adeline’s Farm and the French Valley corridor to the larger lots near Lake Skinner and Diamond Valley Lake.
Mold Testing
Lab-certified air, wall cavity, HVAC, and surface sampling to identify mold presence and concentrations.
Mold Inspection in Winchester
Free visual assessment with thermal imaging and moisture detection tailored to Winchester properties.
Mold Remediation in Winchester
Professional mold removal in Winchester with containment, negative air pressure, and post-remediation verification.





