Home Inspector Roxborough, PA | Home Inspection & Mold Testing

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

Roxborough, Philadelphia County

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

Ridge Avenue runs the length of Roxborough like a spine, and the housing stock changes character every few blocks along it. Down near Leverington Avenue and the Manayunk line the blocks tighten into porch-front twins and mill-era rowhomes built for families who walked downhill to the Schuylkill River mills. Climb north past Green Lane, Fountain Street, and Gorgas Lane and the lots widen into heavy stone twins faced in Wissahickon schist that was quarried within a few miles of where it still stands. Past Cathedral Road, in Upper Roxborough and Andorra, the era shifts again to postwar singles and split-levels on the curving streets off Port Royal Avenue, Hagys Mill Road, and Shawmont Avenue. Domino Lane, Umbria Street, Krams Avenue, and Wigard Avenue each carry their own blend of century-old masonry and mid-century infill. The one thing nearly every property here shares is slope. The neighborhood sits on a ridge between Wissahickon Valley Park and the Schuylkill, so water is always moving downhill toward somebody's foundation, and stone retaining walls, stepped front yards, and side-yard drainage channels are simply part of daily life. That geography shapes what turns up inside these houses: rubble stone foundations set in lime mortar repointed in patches over a hundred years, original clay sewer laterals running under mature street trees, slate on the older roofs and three or four generations of shingle on the newer ones, and finished basements and converted attics added during renovation waves from the 1970s onward. A twin near Roxborough Memorial Hospital and a stone single up toward the Schuylkill Center often show the same handful of conditions. Age is not a defect on this ridge, but it is a specific list worth knowing before you sign anything.

What I tell buyers in Roxborough is that two houses three blocks apart can be completely different inspections. A stone twin off Pechin Street with a rubble foundation and knob-and-tube still live behind the plaster has almost nothing in common with a 1958 split-level off Hagys Mill Road. I have inspected hundreds of pre-1920 homes across this part of Philadelphia, and on the ridge the pattern I see most often is water working through the uphill side of a stone foundation where the mortar has washed out, then sitting in a basement somebody finished years ago without a vapor barrier. That is where my three services stop being separate errands. If a home inspection turns up a damp corner behind newer drywall or a musty finished basement off Krams Avenue, I can collect mold samples on that same visit and run air quality sampling in the living space above it, instead of handing you a phone number and telling you to wait another week on a second vendor. One inspector, one report, one person you can call afterward with a question about it. I work the same way down the hill in Manayunk, where the same hillside drainage and the same old housing stock run right into each other. If you are under contract on a place off Ridge Avenue, or you have been smelling something in the basement since the spring rains, call me directly at 610-348-6728 and we will find out what you are actually dealing with.

20+
Years of Experience
1900s–1960s
Primary Housing Era
4.9★
Google Rating (159)
2
National Certifications

What does a home inspection in Roxborough include?

Bob approaches every Roxborough inspection per ASHI and InterNACHI Standards of Practice. With 1900s–1960s housing stock dominant in Roxborough, Bob pays particular attention to the era-specific issues that affect early to mid-20th century construction in Philadelphia 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 Roxborough?

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 Roxborough homes?

Based on 20+ years inspecting early to mid-20th century homes in Philadelphia County, these are the issues Bob finds most often in Roxborough's 1900s–1960s 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 Roxborough

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

Get a Free Estimate

Pricing for Roxborough

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

From the Field

From a recent Roxborough inspection

Real findings Bob documented on the job in Roxborough — the detail that goes in your same-day, photo-rich report.

Cracked cast iron waste drain pipe in a Roxborough, PA basement documented during a home inspection, showing corrosion along the aged drain line
A cracked cast iron waste drain in the basement, a plumbing failure point flagged during a Roxborough home inspection.
Open electrical splice with exposed wire connections in a Roxborough, PA attic found during a home inspection, an unsafe uncovered junction
An open, unenclosed electrical splice in the attic, a fire and shock hazard identified during a Roxborough home inspection.
Sloping dining room floor showing settlement in a Roxborough, PA home documented during a home inspection, indicating uneven structural support
Floor settlement in the dining room, a structural movement concern noted during a Roxborough home inspection.
Water heater temperature and pressure relief valve missing its discharge tube in a Roxborough, PA home found during a home inspection
A water heater relief valve missing its discharge tube, a scalding safety defect caught during a Roxborough home inspection.

Why Choose Bob

Why do Roxborough 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 Roxborough home.

02

InterNACHI Certified

InterNACHI Certified Professional Inspector with 20+ years of specialized expertise in Philadelphia County's 1900s–1960s 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 Roxborough?

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

Bob returns every call within 24 hours. Inspections typically scheduled within the week. No spam, no email lists.

Common Questions

What are common home inspection questions in Roxborough?

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

Home inspections in Roxborough start at $325. Where a specific house lands depends on size, age, and condition. A compact porch-front twin near Leverington Avenue is a different job from a four-bedroom single up in Andorra with a finished basement and a converted attic, and older stone properties usually take longer because there is more foundation and more original mechanical work to walk through carefully. Bob quotes honestly over the phone once he knows the address and roughly what you are buying, with no add-on fees discovered later. Every inspection includes a detailed digital report with photos of what he found, typically in your inbox within 24 hours so you are not burning contingency days waiting on paperwork. Call Bob directly at 610-348-6728 for a quote on your Roxborough property.
Three services, all performed by Bob himself. Home inspection starting at $325 covers structure, roof, electrical, plumbing, heating and cooling, and the exterior, which on this ridge means grading, retaining walls, and how water leaves the uphill side of the lot. Mold testing starting at $290 uses PRO-LAB certified laboratory analysis for the damp stone basements that are common throughout older Roxborough. Air quality testing starting at $290 looks at what is actually in the air you breathe, which matters in houses that once burned coal and still hold original plaster and lead paint. There are no subcontractors and no rotating staff. Bob is InterNACHI and ASHI certified, PRO-LAB certified for mold, and has been doing this for more than 20 years. You deal with one person from the first call through the report questions.
Yes. Roxborough is core territory for All Seasons. Bob works out of Wyncote and has been inspecting homes across Philadelphia County and the surrounding suburbs for more than 20 years, including the full stretch of the neighborhood from the Manayunk line up through Upper Roxborough, Andorra, and Ivy Ridge. He covers everything off Ridge Avenue, Henry Avenue, Domino Lane, Shawmont Avenue, and the smaller streets in between. Scheduling is usually available within a few days, and he can often accommodate a tight inspection contingency if you call as soon as your offer is accepted. Because Bob is a solo inspector, the person you speak with on the phone is the person who shows up at the house. Call 610-348-6728 to check availability for your date.
Knob-and-tube wiring is the finding that changes deals most often in the pre-1920 stone twins and rowhomes here. Plenty of Roxborough houses were partially rewired decades ago, but partial means live original circuits are still running behind plaster to a few second-floor rooms or attic fixtures. The real hazard is when blown-in insulation was added later on top of active knob-and-tube in an attic, because that wiring was designed to shed heat into open air. Bob checks the panel, traces what is actually energized where he can access it, and looks for the common Roxborough pattern of a modern breaker panel installed in front of an old circuit that nobody ever traced. He also flags ungrounded outlets, undersized service, and junction work buried in finished basement ceilings, then explains in the report what needs an electrician now versus what can wait.
Most of the older housing stock here sits on rubble stone foundations laid up in lime mortar, often using the same Wissahickon schist you see in the retaining walls along Ridge Avenue. Stone is durable, but lime mortar erodes, and after a century the joints on the uphill side of a sloped Roxborough lot are usually where water finds its way in. Bob looks for washed-out mortar, shifting or bulging stone, efflorescence and staining that maps a seepage path, and settlement cracks that suggest actual movement rather than normal aging. He also checks the exterior side: downspouts dumping at the wall, grading that slopes back toward the house, and old clay drainage tile that has cracked or clogged with roots. Most of what he finds is manageable with drainage corrections and repointing. The report separates that from the rarer cases that need a structural engineer.
Add mold testing any time there is a musty smell, visible staining, a history of basement water, or a finished basement in an older stone house, which describes a large share of Roxborough properties below Cathedral Road. Porous stone walls with no vapor barrier wick moisture year round, and finished walls hide the evidence until the odor gives it away. Air quality testing makes sense in houses that burned coal originally, in homes with aging plaster and lead paint on trim and windows, and in converted attics or sealed-off rooms with poor ventilation. It is also worth doing after any renovation that disturbed old surfaces. Because Bob performs all three services himself, you can add either test to a scheduled home inspection and get it done in the same visit rather than coordinating a second appointment. Both start at $290.
Not automatically. A well-maintained slate roof on a Roxborough stone twin can outlast several asphalt roofs, and replacing one with shingle is often the more expensive mistake. What matters is condition. Bob looks for cracked, slipped, or missing slates, the condition of the flashing at chimneys and valleys where most leaks actually start, aging copper gutters and built-in box gutters that are common on the older stock near Manayunk Avenue, and any patchwork where someone repaired slate with mismatched material or roofing tar. He also checks the attic underside for staining that shows an active or historical leak. If the roof needs work, it usually needs a slate specialist rather than a general roofer, and the report says so plainly so you can price the repair correctly before closing.
Yes, and they turn up a different list. The postwar singles and split-levels off Port Royal Avenue, Hagys Mill Road, and Shawmont Avenue avoid knob-and-tube and stone foundation issues, but they bring aluminum branch wiring in some 1960s builds, original cast iron waste lines, heating systems that are now well past a typical service life, and crawlspaces or slab-on-grade sections that were never properly vented. Hillside lots near Wissahickon Valley Park still put water pressure against the back wall of a basement or garage, and older retaining walls on these properties are frequently at the end of their run. Bob inspects both eras across Roxborough every month and knows which findings are normal for the age of the house and which ones need a number attached before you close. Call 610-348-6728 to schedule.
Call Text Get Free Estimate