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Samantha Mallon

Local Guides

Selling a Home in Plymouth Township, PA: The Certificate of Adequacy and the Sewer Lateral Video

Plymouth Township requires a $25 Certificate of Adequacy before resale: a township check of curbs, sidewalks, and house numbers plus a sewer lateral inspection by a township-registered master plumber. Allow three weeks. The full process.

By Samantha Mallon, SRES®, licensed in PA & NJ · Reviewed August 1, 2026 · 8 min read

Plymouth Township sits where the Blue Route meets the Turnpike and the Schuylkill, which is the whole sales pitch: Plymouth Meeting and its surrounding neighborhoods put every job center in the region within a tolerable drive, and the township’s taxes rank among the lowest in Montgomery County. The resale requirement matches the township’s practical streak: a $25 Certificate of Adequacy that cares about exactly three things, your concrete, your house numbers, and the pipe that carries your wastewater to the main.

The Plymouth seller picture

Buyers come for the commute math and stay for the Colonial School District; the mix runs from first-time buyers in the township’s postwar ranches and splits to move-up families eyeing the newer stock. Sellers skew long-tenured, with houses from the fifties through the eighties that hold their value on location and lot rather than finishes. The township’s own newsletter notes that trash service is folded into taxes that ranked seventh lowest of Montgomery County’s 62 municipalities, a fact worth putting in front of buyers comparing monthly costs across township lines.

The Certificate of Adequacy: $25, three inspections

The township’s published procedures require a Certificate of Adequacy before every resale, built from three checks:

  • Curb and sidewalk: township staff inspect, and damaged concrete meeting the replacement guidelines must be repaired to township specifications. Properties without curbs and sidewalks are not required to install them, and private communities are exempt.
  • House numbers: township staff verify numbers at least 4 inches high and visible from the street, the cheapest item on any municipal checklist and still a common failure.
  • Sewer lateral: the owner hires a licensed master plumber registered with the township to inspect the lateral, described below.

The fee is $25, the cheapest certificate in this series, but the township’s advice is emphatic: allow at least three weeks for all the inspections, and request them as soon as you list. Condominiums need the lateral inspection and a signed disclosure statement even though their concrete is exempt.

The sewer lateral and the affidavit escape hatch

The lateral is where Plymouth’s process has teeth. A deficient lateral, cracked, root-bound, or letting groundwater into the sanitary system, must be repaired before transfer, and the plumber then files a report confirming the fix. Lateral repairs can run four and five figures, which is exactly why the township tells sellers to start at listing rather than under contract: a bad camera result with three weeks of runway is a project, and the same result with three days is a crisis.

The money

The realty transfer tax runs 2% combined here, split by custom, so the seller’s 1% on a $475,000 sale is $4,750, alongside commission, preparation, and whatever the lateral camera finds. Longtime owners generally fit inside the federal capital gains exclusion at Plymouth price points. The cost-to-sell guide itemizes the settlement sheet, and the home-sale tax guide handles the exclusion details.

Where downsizers here go

Plymouth downsizers have short moves in every direction: condos along the Germantown Pike and Ridge Pike corridors, 55+ communities scattered through central Montgomery County, and continuing-care campuses within a fifteen-minute drive. Montgomery County’s Office of Aging Services anchors the public resources. The Montgomery County downsizing guide compares the communities, and the sequencing guide settles the timing question.

Getting started

The Plymouth order: a free valuation to start with an honest number, the Certificate of Adequacy requested the week the house lists, the plumber’s camera through the lateral before any buyer’s inspector arrives, and the concrete walked with the same eyes the township will bring. The complete downsizing guide carries the rest of the plan.

Sources

Every guide on this site is built from primary sources (government agencies and recognized research institutions) and reviewed before publication.

Plymouth Meeting seller questions

What is Plymouth Township’s Certificate of Adequacy?

The township’s pre-resale certificate, with a $25 fee. Before any property transfers, the township inspects the curb, sidewalk, and house numbers, and the owner hires a master plumber registered with the township to inspect the sewer lateral. Deficiencies in any of them must be repaired before transfer, and the township asks sellers to allow at least three weeks for the whole cycle.

What does the sewer lateral inspection involve?

A township-registered licensed master plumber inspects the lateral, the pipe running from your house to the sewer main, and reports deficiencies to the township. Repairs must be made before transfer, and the plumber then submits a report confirming remediation. If a repair cannot be finished before settlement, a Home Sale Affidavit signed by the buyer lets the certificate issue, with the work due no later than 30 days after settlement.

Do condos in Plymouth Meeting need the inspection?

Condominiums must have the sewer lateral inspected and the disclosure statement signed before resale, but curbs and sidewalks are exempt in private communities. Detached homes without existing curbs and sidewalks are not required to install them; the township only requires repair of damaged concrete that meets its replacement guidelines.

Is Plymouth Meeting in Plymouth Township or Whitemarsh?

Both. The Plymouth Meeting mailing address spans Plymouth and Whitemarsh townships, and the two could not treat sellers more differently: Plymouth requires the Certificate of Adequacy, while Whitemarsh requires no resale permit at all. Check the county parcel records or your deed before assuming which rules apply.

About the author

Samantha Mallon, SRES®

Samantha is a real estate agent with Compass, licensed in Pennsylvania (RS365940) and New Jersey (2440598), holding the SRES® (Seniors Real Estate Specialist®) designation. Before real estate she earned a finance degree at Rutgers and a master’s in analytics at Georgia Tech, and worked in management consulting at Deloitte, a background she now applies to pricing, preparation, and honest guidance for sellers navigating downsizing, longtime homes, and family transitions across Greater Philadelphia and South Jersey.

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