Home Inspector Yardley, PA | Home Inspection & Mold Testing

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

Yardley, Bucks County

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

Set along a bend of the Delaware River where the towpath of the Delaware Canal runs the length of the borough, Yardley packs almost 250 years of building into a small footprint. The stone and timber houses near Main Street and Afton Avenue go back to the late 1700s and early 1800s, when the river crossing and later the canal made this a working river town. Walk a few blocks up College Avenue or head out along Route 332 toward Newtown and the stock shifts: Victorian frame houses with deep porches, then 1920s foursquares, then postwar colonials and split levels filling the streets that tie the borough into surrounding Lower Makefield Township. Lake Afton sits in the middle of it, fed by Brock Creek, and the low ground near the creek and along River Road and Canal Street carries a real flood history. The Delaware came over its banks in September 2004, April 2005 and June 2006, and the properties closest to the river and the canal took water in all three. Streets on higher ground away from the floodplain were not affected, which is why blanket assumptions about Yardley basements are usually wrong. What ties the housing stock together is age and layering. Stone and rubble foundations set in lime mortar, hand hewn framing, plaster and lath walls, original clay sewer laterals, slate roofs, and two centuries of repairs made by whoever happened to own the house at the time. Commuter demand from the Yardley station on SEPTA's West Trenton Line has kept these homes turning over, and steady turnover means a lot of them have been flipped, added onto, or only partially updated.

The pattern Bob sees most often in Yardley is a house that has been half modernized. An 1890s frame house near the borough center will have a new kitchen, a finished basement room and a furnace from the last decade sitting on top of a stone foundation that was never waterproofed, with knob-and-tube circuits still energized behind two upstairs walls. That combination is why he treats a Yardley inspection as a moisture and history investigation as much as a systems checklist: where has water gone in the past, what did the last three owners cover over, and what did the 2004 through 2006 flood years leave behind on the lowest floor. Because Bob is PRO-LAB certified and does his own sampling, that second question does not turn into a second search for a second vendor. If a home inspection turns up a musty finished basement off Canal Street or damp framing under a first floor addition, he can collect mold air samples and run indoor air quality testing on the same visit instead of handing you a referral and a two week delay. One inspector, one report, one set of conclusions that actually line up with each other. He works the same way in the neighboring river towns, including Morrisville, so buyers weighing two properties get the same standard applied to both. If you are buying, selling, or just want a straight answer about what is happening in an old Yardley basement, call Bob directly at 610-348-6728.

20+
Years Inspecting Yardley
1780s–1950s
Primary Housing Era
4.9★
Google Rating (159)
2
National Certifications

What does a home inspection in Yardley include?

Bob approaches every Yardley inspection per ASHI and InterNACHI Standards of Practice. With 1780s–1950s housing stock dominant in Yardley, Bob pays particular attention to the era-specific issues that affect late 19th and early 20th century construction in Bucks County.

Stone & Rubble Foundations

Pre-1920 homes commonly have stone or rubble foundations with lime mortar joints that deteriorate over a century of exposure. Bob checks for shifting stones, mortar erosion, water seepage pathways, and structural settlement that can indicate foundation movement requiring professional stabilization.

Knob-and-Tube Wiring & Gas Pipe Conversions

Original knob-and-tube wiring is one of the most critical findings in pre-1920 homes — especially when insulation has been blown over active K&T, creating a fire hazard. Bob also evaluates gas pipe conversions from original coal or oil systems, checking for proper sizing, venting, and code compliance.

Original Slate Roofs & Historic Exteriors

Many pre-1920 homes retain original slate or clay tile roofs that, while durable, require specialized maintenance. Bob inspects for cracked or missing slates, deteriorating flashing, and aging copper gutters — plus original wood siding, decorative trim, and masonry that may show a century of weathering.

Lead Paint, Plaster Walls & Coal Chute Remnants

Original plaster-and-lath walls, lead paint on trim and windows, and sealed coal chute openings are hallmarks of pre-1920 construction. Bob documents these conditions and evaluates whether past renovations addressed or inadvertently worsened historical hazards.

How does mold testing work in Yardley?

Pre-1920 homes are among the highest-risk properties for mold growth due to stone foundations that wick moisture, lime mortar joints that crack over time, and original drainage systems that predate modern waterproofing.

Porous stone foundations with no vapor barrier allowing constant moisture migration

Original clay drainage tiles that crack and clog, directing water toward the foundation

Lime mortar repointing gaps that create moisture entry points

Unventilated basement spaces with earth or deteriorating concrete floors

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 Yardley homes?

Based on 20+ years inspecting late 19th and early 20th century homes in Bucks County, these are the issues Bob finds most often in Yardley's 1780s–1950s housing stock:

  • Knob-and-tube wiring still energized behind walls and under blown insulation
  • Stone foundation moisture intrusion and mortar joint deterioration
  • Lead paint on original trim, windows, and exterior surfaces
  • Gas pipe conversions from original coal or oil systems with improper venting
  • Original clay sewer laterals with root intrusion and bellied sections
  • Aging slate or clay tile roofs with deteriorating flashing

Schedule in Yardley

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 Yardley

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."
Serving Yardley since 2003 • InterNACHI Certified • No Conflict of Interest
610-348-6728 See Pricing

From the Field

From a recent Yardley inspection

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

Deteriorated and worn roof shingles on a Yardley, PA home documented during a home inspection, showing granule loss and aging
Deteriorated roof shingles nearing the end of their service life, documented during a Yardley home inspection.
Moisture meter reading elevated dampness on a basement wall in a Yardley, PA home during a home inspection, confirming active wall moisture
A moisture meter confirming a damp basement wall, an active moisture reading taken during a Yardley home inspection.
Deteriorated mortar joints between chimney bricks on a Yardley, PA home documented during a home inspection, showing eroded masonry
Deteriorated mortar joints in the chimney brickwork, a masonry repair need flagged during a Yardley home inspection.
Obsolete electrical panel in the garage of a Yardley, PA home found during a home inspection, an outdated panel of concern
An obsolete garage electrical panel, an outdated component identified during a Yardley home inspection.

Why Choose Bob

Why do Yardley 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 Yardley home.

02

InterNACHI Certified

InterNACHI Certified Professional Inspector with 20+ years of specialized expertise in Bucks County's 1780s–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

Late 19th and early 20th century Expertise

Bob has inspected hundreds of pre-1920 homes across the Philadelphia region and understands their unique construction — from rubble stone foundations to knob-and-tube wiring to original slate roofs. He knows where these homes hide problems and what's normal aging versus what needs immediate attention.

Get in Touch

How do I schedule an inspection in Yardley?

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

What Yardley Clients Say

★★★★★
"Bob inspected our 1802 stone farmhouse in Yardley and brought a depth of knowledge about pre-Civil-War construction I didn't know existed in a home inspector. He explained the hand-hewn beam joinery, flagged two areas of carpenter ant activity, and helped us understand which 'original' features were actually 1970s renovations. Exceptional inspection."
BR
Brian R.
Google Review • Yardley, PA
Read All Google Reviews

Common Questions

What are common home inspection questions in Yardley?

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

A home inspection in Yardley starts at $325. The final price depends on the size, age and condition of the property, and Yardley has a wide spread on all three. A 1,200 square foot frame house near Afton Avenue prices differently than a 3,000 square foot stone farmhouse with a walkout basement, an addition and a detached outbuilding. Bob quotes each property honestly on the first call once he knows the address and the square footage, and there are no add on fees revealed later. Every inspection includes a full digital report delivered within 24 hours, with photographs of each finding, plain language explanations of what the condition means, and a clear separation between normal aging in a century old house and items that need attention before closing. Call 610-348-6728 for a quote on a specific Yardley address.
Bob covers three core services in Yardley. Full residential home inspection starting at $325, mold testing with lab analyzed air and surface sampling starting at $290, and standalone indoor air quality testing starting at $290. He also handles radon testing, WDI termite inspections, pre listing inspections for sellers and 11 month builder warranty inspections. The important part for a Yardley buyer is that Bob personally performs all of it. There are no subcontractors, no rotating crew and no handoff to a third party lab technician who has never seen the house. He is InterNACHI and ASHI certified and PRO-LAB certified for mold, so when an inspection of an old stone foundation raises a moisture question, the same person who found it can test it and explain the result in the same report package.
Yes. Bob has inspected homes in Yardley borough and the surrounding Lower Makefield Township area for more than 20 years, from the historic riverfront core near the canal to the mid century colonials and split levels on the inland streets. He also covers the neighboring Bucks County towns including Newtown, Langhorne, Morrisville, Washington Crossing, Fairless Hills and Doylestown, so buyers comparing properties across the county get one consistent standard. Most Yardley appointments can be scheduled within the week, and Bob returns every call within 24 hours. Leave a message at 610-348-6728 with the property address, your timeline and which services you need, and he will call back with an honest per property quote and the next open slot.
Knob-and-tube wiring is the finding that matters most in Yardley's pre 1920 housing. Many of the older frame and stone houses in the borough were wired originally with knob-and-tube, and over the decades some circuits were replaced while others were simply abandoned in place or left energized behind plaster. The dangerous version is knob-and-tube that is still live and has had blown insulation packed over it in an attic, because the original wiring was designed to shed heat into open air. Bob traces what is actually energized rather than assuming the panel label is accurate, checks junctions in the basement and attic, and looks for the mixed vintage splices that show up when three generations of electricians worked on the same house. He also flags undersized service, ungrounded outlets and improvised subpanels feeding finished basements.
Most of the oldest houses in Yardley sit on stone or rubble foundations laid up in lime mortar. That mortar is soft by design and erodes over a century of freeze and thaw, so open joints, loose stones and powdery mortar are common findings rather than rare ones. The real question is whether the deterioration is cosmetic surface loss or whether water is moving through the wall and carrying material with it. Bob looks at the mortar condition, efflorescence and staining patterns, the grade and downspout discharge outside, sump equipment and whether an earlier owner parged or sealed the interior face in a way that traps moisture in the stone. Original clay drain tile around these foundations is often cracked or root filled, which sends water toward the wall instead of away from it.
Three situations come up repeatedly in Yardley. First, any house on the low ground near the river or the canal that has flood history, because water that entered a basement years ago can leave growth inside wall cavities and under later finishes. Second, any old house with a finished basement, since drywall and framing installed directly against an unsealed stone wall is one of the most reliable places to find hidden growth. Third, any property where the inspection turns up a musty smell, a dehumidifier running hard or visible staining on joists. Mold testing starts at $290 and air quality testing starts at $290. Air quality testing is also worth considering after a renovation in a pre 1920 house, where lead paint dust, coal residue in the basement and disturbed plaster can all end up in the air you breathe.
Only part of Yardley is in the floodplain. The properties on the low ground near River Road, Canal Street and the stretches close to Brock Creek and Lake Afton are the ones with real exposure, and many of them took water in the 2004, 2005 and 2006 events. Houses on higher streets in the borough were not affected. For a property in the low area, Bob pays attention to what the flooding left behind: replaced mechanical equipment and whether it was raised, sump pump capacity and backup, the condition of framing and subfloor near the lowest level, and finishes installed after the fact that may be covering damaged material. He will also tell you plainly if the house shows no evidence of flood damage, because assuming every Yardley home has a water history is as unhelpful as assuming none of them do.
Both come up often. A number of the older Yardley houses still carry original slate or clay tile roofs, which can last generations but fail at the details first. Bob checks for cracked and slipped slates, deteriorated valley and chimney flashing, aging copper gutters and any patchwork done with asphalt shingles or roofing cement, which usually signals a repair made without a slate roofer. Below ground, houses of this age frequently still have original clay sewer laterals with joint offsets, bellied sections and tree root intrusion, and a long established street of mature trees makes that more likely, not less. A lateral is outside the scope of a visual inspection, so when the house profile and the drainage behavior suggest a problem, Bob will tell you it is worth a camera scope before you close rather than after.
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