Home Inspector Villanova, PA | Home Inspection & Mold Testing

All Seasons provides professional home inspections and PRO-LAB certified mold testing in Villanova, 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.

Villanova, Delaware County

What home inspection and mold testing services are available in Villanova?

Stone gateposts and long gravel driveways set the tone along Spring Mill Road and Old Gulph Road, where Villanova's estate era houses sit well back from the street behind mature oaks and rhododendron. The village straddles a county line: the Radnor Township side sits in Delaware County, the Lower Merion side in Montgomery County, and the 19085 zip code covers both. Lancaster Avenue, Route 30, carries the commercial spine past Villanova University and the church of St. Thomas of Villanova, while County Line Road runs the boundary past Stoneleigh, a former private property now open to the public as a natural garden. Appleford, off Mount Moro Road, is another surviving estate parcel in a place where most of the large holdings were subdivided generations ago. The housing stock reflects that history in layers. The oldest of it is heavy stone and stucco Colonial Revival and Tudor work from the early 1900s through the 1930s, with slate or clay tile roofs, deep full basements, plaster over wood lath, and in some cases carriage houses or service wings converted into living space. Around those sit houses built on subdivided estate land through the 1940s and 1950s, plus later infill along Ithan Avenue, Sproul Road, and the lanes running off Darby Paoli Road. Two rail stops, the Paoli and Thorndale line station near Spring Mill Road and the Norristown High Speed Line platform, kept the area commuter friendly and fed a steady century of renovation. What that means for property condition is that almost no Villanova house is a single vintage. Original masonry and framing usually sit under three or four rounds of mechanical, roofing, and drainage work done to widely varying standards.

The thing I run into most in Villanova is a beautifully kept main floor sitting on top of systems nobody has looked at closely in thirty years. These houses were built well, and that quality hides a lot. I spend my time in the basements, the crawl spaces under additions, and the attics, because that is where the age actually shows up: clay sewer laterals full of tree roots under those old plantings, panel work layered over original wiring at the connections, oil to gas conversions where the chimney liner was never sized correctly, and slate roofs with sound tile but failing fasteners and underlayment. Plaster over lath is the other one. A wall can look perfect and still be holding water behind it from a window well, a valley leak, or a supply line. That is exactly why I do all three services myself instead of handing you a list of vendors. If a home inspection turns up a damp corner of a Villanova basement or a stain behind a radiator, I can run PRO-LAB certified mold sampling and indoor air quality testing on the same visit, so you get one person, one report, and one timeline rather than three schedules to chase. I work the same houses over in Bryn Mawr, so the failure points on this side of the Main Line are familiar ground. If you have a settlement date coming or a smell in the basement you cannot place, call me directly at 610-348-6728 and we will figure out what the house actually needs.

20+
Years of Experience
1900s–1950s
Primary Housing Era
4.9★
Google Rating (159)
2
National Certifications

What does a home inspection in Villanova include?

Bob approaches every Villanova inspection per ASHI and InterNACHI Standards of Practice. With 1900s–1950s housing stock dominant in Villanova, Bob pays particular attention to the era-specific issues that affect early to mid-20th century construction in Delaware County.

Block & Poured Foundations with Clay Laterals

1920s–1940s homes typically feature poured concrete or concrete block foundations — an improvement over stone, but still vulnerable to cracking and water intrusion after 80+ years. Bob pays special attention to clay sewer laterals common in this era, which suffer from tree root intrusion and joint separation.

Early Electrical Upgrades & Oil-to-Gas Conversions

Many homes from this era have had multiple electrical upgrades layered over original wiring — sometimes creating code violations where old and new systems connect improperly. Bob also evaluates oil-to-gas furnace conversions, checking that chimney liners, supply lines, and venting meet current safety standards.

Original Slate Roofs & Plaster-Over-Lath Moisture

Original slate and clay tile roofs from the 1920s–1940s may still be serviceable but require careful inspection for worn fasteners and deteriorating underlayment. Bob checks for plaster-over-lath moisture issues where exterior water intrusion saturates wall cavities behind intact-looking plaster surfaces.

Plaster Walls, Hardwood Floors & Early Insulation

These homes feature quality craftsmanship — hardwood floors, plaster walls, built-in cabinetry — but often lack adequate insulation by modern standards. Bob evaluates whether past insulation retrofits were done properly and checks for moisture trapped behind plaster from exterior or plumbing leaks.

How does mold testing work in Villanova?

Homes from the 1920s–1940s combine aging infrastructure with building practices that create persistent moisture pathways — clay sewer laterals, minimal foundation waterproofing, and plaster walls that mask moisture damage.

Clay sewer laterals with tree root intrusion causing backup and sub-slab moisture

Oil-to-gas conversion furnaces with condensation issues from improper chimney liner sizing

Plaster-over-lath walls that hold moisture for extended periods without visible exterior signs

Basement window wells with deteriorating drainage directing water toward foundation walls

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 Villanova homes?

Based on 20+ years inspecting early to mid-20th century homes in Delaware County, these are the issues Bob finds most often in Villanova's 1900s–1950s housing stock:

  • Clay sewer laterals with tree root intrusion and bellied sections
  • Layered electrical upgrades with code violations at old/new connections
  • Oil-to-gas furnace conversions with improper chimney liner sizing
  • Original slate or clay tile roofs reaching end of useful life
  • Plaster-over-lath moisture damage hidden behind intact-looking walls
  • Inadequate insulation and single-pane windows driving high energy costs

Schedule in Villanova

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 Villanova

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 →
"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 Villanova 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 Villanova home.

02

InterNACHI Certified

InterNACHI Certified Professional Inspector with 20+ years of specialized expertise in Delaware County's 1900s–1950s 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

Early to mid-20th century Expertise

Bob has deep experience with 1920s–1940s construction — homes built with real craftsmanship but aging infrastructure. He knows the common failure points: clay laterals, layered electrical upgrades, oil-to-gas conversions, and plaster moisture issues that other inspectors miss.

Get in Touch

How do I schedule an inspection in Villanova?

Same-week appointments available throughout the Philadelphia region.

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

Tell Us About Your Property

Common Questions

What are common home inspection questions in Villanova?

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

A home inspection in Villanova starts at $325. Final pricing depends on the size, age, and condition of the property, and Villanova has a lot of large stone houses with multiple additions, finished basements, and detached carriage houses or garages, so many of the older estate era properties price above that starting point. Bob quotes each address individually instead of working off a fixed menu, and he tells you the number before he schedules. You get a full digital report within 24 hours of the walkthrough, with photographs of every issue, plain language on what is urgent versus what is normal wear for a house of that vintage, and a phone call afterward if you want anything explained. Call 610-348-6728 for a quote on your specific property.
Three, and Bob Klebanoff performs all of them personally. Full home inspections for buyers, sellers, and owners start at $325. PRO-LAB certified mold testing starts at $290. Indoor air quality testing also starts at $290, covering things like combustion byproducts, particulates, and VOCs. There are no subcontractors, no rotating technicians, and no call center. The person who books the job is the person who shows up, collects the samples, and writes the report. Because Bob does not sell remediation or repairs, nothing he finds carries a financial motive. He can also bundle add-ons such as a sewer scope onto a home inspection, which is worth considering in Villanova given the clay laterals under those mature street trees. Call 610-348-6728.
Yes. Villanova is core territory. Bob has been inspecting homes across the Main Line and the greater Philadelphia region for more than 20 years and works both sides of the county line here, the Radnor Township portion in Delaware County and the Lower Merion portion in Montgomery County. He is InterNACHI and ASHI certified and PRO-LAB certified for mold sampling. Because he is based nearby in Wyncote, scheduling in Villanova is usually quick, and he can often accommodate the tight inspection contingency windows that come with competitive Main Line offers. Evening and weekend appointments are possible when a settlement date is pressing. Call 610-348-6728 to check availability for your date.
The most common finding in Villanova housing from the early 1900s through the 1950s is the clay sewer lateral. Tree roots find the joints, sections belly out, and the first symptom an owner notices is a slow drain or a backup in the lowest fixture in the basement. Electrical is a close second: most of these houses have had two or three rounds of upgrades layered on top of original wiring, and the code problems tend to live at the junctions where old meets new rather than in the new panel itself. Bob also regularly flags oil to gas furnace conversions where the chimney liner, supply piping, or venting was never brought up to current standards. None of these are deal killers, but they are real numbers, and you want them priced before you sign.
Often yes, and that surprises people. Original slate and clay tile on a Villanova house can still have decades left in the tile itself. What fails first is everything around it: the nails and fasteners rust through, the underlayment breaks down, flashing at valleys, chimneys, and dormers opens up, and slipped or missing pieces let water in at specific points. Bob inspects the roof for those failure patterns rather than just noting the material and age, because the difference between targeted repair and full replacement on a big slate roof is enormous. Water that gets past a failing valley usually shows up inside as plaster over lath damage, sometimes on a wall two floors below and well away from the entry point, so the roof and the interior findings have to be read together.
Add it when the house gives you a reason and when the construction gives you a reason. In Villanova both are common. Plaster over lath holds moisture for a long time without showing anything on the surface, so a wall can read as fine and still be feeding growth in the cavity. Deep old basements with original window wells, minimal foundation waterproofing, and a clay lateral running under the slab give water several ways in. On the air side, oil furnace residue in ductwork from original or converted heating systems, plaster and horsehair dust from deteriorating walls, and early vermiculite insulation that may contain tremolite asbestos all belong on the list. Mold testing and air quality testing are each starting at $290, and Bob can run them during the same visit as the home inspection.
It contributes. Lots here are large and sloped, driveways are long, and a century of grading changes, added patios, pool decks, and converted outbuildings has often redirected surface water toward the house rather than away from it. Downspouts on these older properties frequently discharge into underground lines that were installed decades ago and are now crushed, disconnected, or root blocked, which quietly dumps roof water right at the foundation. Bob checks grading, window wells, downspout terminations, and the interior perimeter of the basement together, because a wet basement in Villanova is almost always an exterior water management problem before it is a foundation problem. Fixing it correctly is usually far cheaper than the interior systems that get proposed first.
Get ahead of the three items that reliably blow up Main Line deals: the sewer lateral, the roof, and anything moisture related in the basement. A pre listing inspection lets you scope those on your own schedule instead of under a ten day contingency clock with a buyer's agent driving the conversation. On an older Villanova property it also gives you documentation to hand over, which matters when the buyer is comparing your house against newer inventory in the area and worrying about what a hundred year old stone house is going to cost them. Bob does pre listing inspections at the same price as buyer inspections, starting at $325, and will walk the property with you afterward so you can decide what to fix, what to disclose, and what to price in. Call 610-348-6728.
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