Home Inspector Newtown Square, PA | Home Inspection & Mold Testing

All Seasons provides professional home inspections and PRO-LAB certified mold testing in Newtown Square, Delaware County. InterNACHI-certified owner-operator Bob personally performs every inspection — 20+ years experience, 4.9 stars on Google, 24-hour reports. Home inspections from $325, mold testing from $290. Call 610-348-6728 for a free estimate.

Newtown Square, Delaware County

What home inspection and mold testing services are available in Newtown Square?

Drive north on Route 252 from West Chester Pike and Newtown Square changes character about every mile. The commercial spine near Ellis Preserve and the office campuses off Campus Boulevard gives way quickly to the post-war ranch and Cape Cod blocks tucked along Bishop Hollow Road, Sproul Road, and Media Line Road, and then to open horse country out Delchester Road and Goshen Road, where Ridley Creek State Park, the Okehocking Preserve, and the old Ardrossan land near Liseter keep the western half of the township green. The housing stock follows that same spread. The 1950s and 1960s subdivisions feeding the Marple Newtown schools sit on block foundations with shallow crawlspaces and modest basements, many of them put up fast during the post-war boom with thinner foundation walls and simplified framing. Homes near Aronimink Golf Club and the older stretches of Newtown Street Road still carry original 9x9 floor tile, galvanized supply lines, and 60 to 100 amp panels that were never meant to run central air, a finished basement, and a modern kitchen at once. The 1990s and 2000s construction out toward Gradyville Road and Dunwoody Village is a different animal, with poured walls, tighter envelopes, and mechanical systems now old enough to matter. Add terrain that drains toward Crum Creek and Darby Creek, and grading, gutters, and roof drainage end up mattering here as much as anything inside the walls.

The pattern I see most in Newtown Square is a house that got half modernized. Somebody replaced the roof and redid the kitchen in the 2000s and left the original galvanized plumbing and the 1958 panel sitting right behind the new drywall. On the Cape Cods off Bishop Hollow Road and the split-levels near Sproul Road, I go to the attic kneewall spaces early, because that is where thin ventilation shows up as damp sheathing long before anyone notices a stain on a bedroom ceiling. In the older basements west of Newtown Street Road I am looking at floor drains tied into clay lines and at foundation walls that never got any exterior waterproofing. The reason people call me instead of three separate companies is simple. I do the home inspection, the mold testing, and the air quality testing myself, and I am the one reading what any one of them says about the other two. If a Newtown Square crawlspace comes back damp during the inspection, I can take air or surface samples on that same visit and send them to a PRO-LAB certified lab, instead of handing you a referral and a two-week delay. Same story when a 1950s house still has asbestos wrapped pipe or original ductwork and the buyer wants to know what is actually in the air. I have worked across Delaware County for more than twenty years, from here down through Havertown. Call me at 610-348-6728 and tell me about the house.

20+
Years of Experience
1950s–2000s
Primary Housing Era
4.9★
Google Rating (159)
2
National Certifications

What does a home inspection in Newtown Square include?

Bob approaches every Newtown Square inspection per ASHI and InterNACHI Standards of Practice. With 1950s–2000s housing stock dominant in Newtown Square, Bob pays particular attention to the era-specific issues that affect late mid-century and early modern construction in Delaware County.

Split-Level Foundations & Below-Grade Moisture

Split-level and bi-level homes from this era feature below-grade family rooms and garages that create unique moisture challenges. Bob inspects for water intrusion at the below-grade/above-grade transition, foundation wall efflorescence, and settlement where additions meet original construction.

Aluminum Wiring, Polybutylene Plumbing & Early AC Systems

Aluminum branch circuit wiring (1965–1973) is a fire hazard at connections with copper devices. Bob checks every accessible connection point. He also evaluates polybutylene plumbing — prone to sudden failure — and early central AC installations with undersized ductwork that can't handle modern cooling demands.

T-111 Siding, Flat Roof Sections & Deck Ledger Boards

Homes from this era often feature T-111 plywood siding that swells at edges, flat or low-slope roof sections over additions, and deck attachments that may lack proper ledger board flashing — a leading cause of structural deck failure. Bob inspects all of these high-risk areas.

Insulation Standards, FPE/Zinsco Panels & Carpet Over Concrete

Many 1960s–1980s homes have Federal Pacific (FPE) or Zinsco electrical panels — known for breakers that fail to trip during overloads. Bob checks panel brands and evaluates inadequate insulation by modern standards, carpet-over-concrete installations in below-grade spaces, and early cathedral ceiling construction.

How does mold testing work in Newtown Square?

The split-level and bi-level designs popular from the 1960s–1980s create specific mold risks, particularly in below-grade family rooms, attached garages, and areas where early insulation traps moisture against foundation walls.

Below-grade family rooms with carpet over concrete slab — trapping moisture underneath

Split-level design transitions where water infiltrates at grade-level changes

Early insulation pressed against foundation walls without vapor barriers

Undersized ductwork creating condensation in humid summer conditions

Clear Results & Honest Recommendations

Bob walks you through exactly what the lab results mean — no jargon, no panic. All samples go to a PRO-LAB certified lab with results in 2-3 days. Mold testing starts at $290.

What are common issues in Newtown Square homes?

Based on 20+ years inspecting late mid-century and early modern homes in Delaware County, these are the issues Bob finds most often in Newtown Square's 1950s–2000s housing stock:

  • Aluminum wiring at outlets and switches creating fire risk at connection points
  • Polybutylene plumbing (gray plastic pipe) prone to sudden catastrophic failure
  • Federal Pacific or Zinsco electrical panels with breakers that fail to trip
  • Below-grade family room moisture from carpet-over-concrete installations
  • Undersized HVAC ductwork causing poor airflow and humidity problems
  • Inadequate insulation by modern energy standards

Schedule in Newtown Square

Same-week appointments available. Bob personally oversees every inspection — you always know who's walking through your home.

610-348-6728

Mon–Sat, 7am–7pm • Urgent pre-closing available

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Pricing for Newtown Square

Home Inspection
Full inspection + 24-hour report
From $325
Mold Testing
PRO-LAB certified lab analysis
From $290

Every home is different. Call Bob for your specific quote — he'll give you an honest number on the spot.

See Full Pricing Details →

Nearby Areas Also Served

Havertown Drexel Hill
"24-hour report. You always get Bob. My name is on every inspection I do."
InterNACHI Certified • PRO-LAB Certified Mold Testing • No Conflict of Interest
610-348-6728 See Pricing

Why Choose Bob

Why do Newtown Square homeowners choose All Seasons?

01

You Always Get Bob

When you hire All Seasons, Bob personally oversees your inspection — start to finish. No corporate dispatch, no unknown inspector. You know exactly who's walking through your Newtown Square home.

02

InterNACHI Certified

InterNACHI Certified Professional Inspector with 20+ years of specialized expertise in Delaware County's 1950s–2000s housing stock.

03

24-Hour Reports

Your detailed, photo-rich inspection report delivered the same day. No waiting — so you can make decisions within your contract timeline.

04

Late mid-century and early modern Expertise

Bob knows the specific failure points of 1960s–1980s construction — aluminum wiring connections, polybutylene plumbing, FPE panels, and the split-level moisture traps that define this era. He's seen how these homes age and knows which issues are cosmetic and which are safety concerns.

Get in Touch

How do I schedule an inspection in Newtown Square?

Same-week appointments available throughout the Philadelphia region.

Serving Philadelphia, Montgomery, Bucks, Chester & Delaware Counties. All major credit cards accepted.

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Common Questions

What are common home inspection questions in Newtown Square?

Questions buyers and sellers in Newtown Square ask us most often — answered directly.

Home inspections in Newtown Square start at $325. The exact price depends on the size, age, and condition of the house, so a 1,400 square foot Cape Cod off Bishop Hollow Road prices differently than a 4,000 square foot colonial out toward Gradyville Road. Older properties with multiple additions, finished basements, or outbuildings take longer to walk, and the quote reflects that. Every inspection includes a full digital report with photos, normally delivered within 24 hours, so your agent and your lender are not waiting on paperwork during an option period. Bob gives an honest number over the phone rather than a placeholder that changes on inspection day. Call 610-348-6728 with the address and the approximate square footage and you will get a firm price on the spot.
Three services, all performed by Bob personally. Home inspection starts at $325 and covers structure, roof, electrical, plumbing, HVAC, and the interior and exterior of the property. Mold testing starts at $290 and uses PRO-LAB certified lab analysis, which matters in Newtown Square because so many of the post-war houses have shallow crawlspaces and basements that were never waterproofed from the outside. Air quality testing also starts at $290 and is the right call in 1950s and 1960s homes with original ductwork, asbestos wrapped pipe, or lead paint on the trim and windows. There are no subcontractors and no rotating crew. Bob is InterNACHI and ASHI certified with more than 20 years of experience, and he is the one who walks the house, pulls the samples, and explains the report to you.
Yes. Newtown Square is part of the core Delaware County service area, and Bob has been inspecting homes across this township and the surrounding Marple Newtown area for more than 20 years. He works the whole township, from the neighborhoods behind Ellis Preserve and the West Chester Pike corridor out to the larger parcels along Delchester Road and Goshen Road. All Seasons is based in Wyncote, and Newtown Square is a routine drive, not a stretch assignment. Scheduling is usually available within a few days, and Bob can often work around a tight inspection contingency if you call early. Weekend and early morning appointments are possible depending on the week. Call 610-348-6728 to check open dates before you commit to a closing timeline.
Asbestos is the recurring one. In houses from this era Bob regularly finds 9x9 inch floor tile in basements and back bedrooms, asbestos wrapped heating pipe, and old boiler components, all of which are generally stable if left alone and a problem once they crumble or get demolished during a renovation. The other constants are galvanized steel supply plumbing that corrodes from the inside after 50 to 70 years, undersized 60 to 100 amp electrical panels, and original single-pane windows with failed glazing. Basement moisture is common too, because exterior waterproofing was minimal or absent when these houses went up. None of this means the house is bad. It means you should know which items are cosmetic, which are safety issues, and which ones a buyer should price into the offer.
Those designs are all over the older Newtown Square blocks, and the ventilation was rarely done well. A Cape Cod has sloped ceilings and kneewall pockets behind the upstairs bedrooms, and if the soffit and ridge venting is blocked or was never adequate, warm moist air stalls against the roof sheathing. In winter that means ice dams along the eaves. Year round it means damp sheathing, rusted nail points, and eventually mold growth on the underside of the roof deck. Split-entry homes have their own version of the same issue at the low roof sections. Bob checks the venting path, the insulation coverage, and the sheathing condition from inside the attic, not just the shingles from the driveway. Shingles that look fine from the ground can sit on a deck that is already failing.
Add mold testing at $290 any time there is a musty smell, a history of water in the basement, visible staining on a crawlspace joist, or a bathroom with no working exhaust fan. Given how many Newtown Square houses sit on sloped lots draining toward Crum Creek and Darby Creek, basement and crawlspace moisture is a normal finding here, not an unusual one. Add air quality testing at $290 when the house still has original ductwork, asbestos wrapped pipe, or lead paint on the windows and trim, or when someone in the household has asthma or allergies that get worse indoors. The efficient move is to bundle it with the home inspection. Bob is already in the crawlspace and the attic, so sampling on the same visit saves a second trip and gets lab results back inside your contingency window.
Dry on inspection day is not the same as dry. Many of these post-war basements were built with block walls, no exterior membrane, and a floor drain running to an old clay or cast iron line, so they only leak after a heavy storm or a spring thaw. Bob looks for the evidence rather than the puddle: efflorescence on the block, a rust line on the water heater stand, warped baseboard in a finished corner, and grading or downspouts that dump against the foundation. On the sloped lots off Bishop Hollow Road and Media Line Road, the fix is often exterior work, gutters, extensions, and regrading, rather than an expensive interior system. Knowing which one you actually need before closing is usually worth several thousand dollars.
Yes, and the findings are just different. The newer builds out toward Gradyville Road, Dunwoody Village, and the developments on the old Ardrossan land have poured foundations and tighter envelopes, which is good, but a house from 1998 now has a furnace, a water heater, and a roof all reaching the end of their service lives at the same time. Tighter houses also trap humidity, so bath and kitchen exhaust that vents into an attic instead of outside becomes a real moisture problem. Bob also checks stucco and EIFS details, deck ledger attachment, and grading around finished basements. If the property runs on a private well or septic system, which some of the larger western parcels do, mention it when you book so the visit is scheduled with enough time.
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