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Samantha Mallon

Local Guides

Selling a Home in Pocopson, Pennsbury, Birmingham, or West Marlborough, PA: Unionville Country

Pocopson, Pennsbury, Birmingham, and West Marlborough Townships share the Unionville-Chadds Ford School District and a common answer at resale: no municipal certificate. Pocopson posts it in its official FAQ, and the others tie certificates to construction and changes of use. What sellers in Unionville country prepare instead, including Birmingham’s historic district review. Explained.

By Samantha Mallon, SRES®, licensed in PA & NJ · Reviewed July 31, 2026 · 6 min read

Pocopson, Pennsbury, Birmingham, and West Marlborough hold the countryside around Unionville, feed the school district buyers wait years for, and share the simplest municipal answer in Chester County: no resale certificate, in any of the four. The work of selling here lives in the wells, the septic, the easements, and one historic district.

The Unionville country picture

This is the Brandywine Valley at its most protected: horse farms along Route 82, preserved parcels rolling toward Longwood Gardens, and housing stock that ranges from eighteenth-century farmhouses to estate builds on conserved land. The Unionville-Chadds Ford School District does the pricing, preservation does the scarcity, and sellers who list correctly meet a buyer pool that has usually been waiting. West Marlborough, with fewer than 900 residents and more hunt country than any township in the county, is the purest version of the market; Pocopson, Pennsbury, and Birmingham carry the same economics closer to Route 1.

No certificate in any of the four

Pocopson’s official FAQ answers the resale question in one sentence: no occupancy inspection for resales. Pennsbury’s codes department issues occupancy certificates for new construction and changes in use, with a checklist of sewage permits, water tests, and final inspections aimed at finished builds. Birmingham and West Marlborough tie their permits to construction the same way. A confirming call when you list costs five minutes; as published, no township here stands between agreement and settlement.

What matters instead

  • Wells and septic. Nearly universal here, county-permitted, and buyer-tested. A current water test and pump-out receipt in the listing folder shortens diligence by weeks.
  • The easement file. Conservation easements and sold development rights define Unionville country. Buyers paying for protected views want the documents that guarantee them; have the easement deeds and boundary survey staged.
  • The permit history. Estate properties accumulate outbuildings, pools, and additions across decades. Pull the township permit file before photos and close anything open.

The Pennsylvania money

All four townships sit at the standard 2% total realty transfer tax, the local 1% divided with the school district and customarily split with the buyer, so the seller’s half on an $850,000 sale is $8,500. Pennsylvania withholds nothing at settlement. At Unionville price points, the federal exclusion, $250,000 single and $500,000 married, deserves an actual calculation with your accountant rather than an assumption, especially for long-tenure owners with large gains. The home-sale tax guide and the cost-to-sell guide carry the detail.

Getting started

The Unionville order: a free valuation, the well, septic, and easement records gathered before the photographer, HARB checked before any exterior work in Birmingham, and pricing set against the district’s waiting demand. The Kennett Square guide covers the borough down Route 82, the East Fallowfield and Newlin guide continues the countryside north, the Chester County downsizing guide maps the county, and the sequencing guide settles what to do first.

Sources

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

Unionville country seller questions

Do the Unionville-area townships require an inspection to sell a house?

No. Pocopson answers the question in its official FAQ in nine words: no, the township does not require an occupancy inspection for resales. Pennsbury’s codes department issues certificates of occupancy for new construction and changes in use, with a documentation list built for finished builds, not transfers. Birmingham’s permits attach to construction, with a $150 zoning application for new work. West Marlborough’s permits work the same way. Across all four townships there is no municipal certificate between an agreement of sale and settlement.

What is Birmingham’s historic district review, and does it affect sellers?

Birmingham Township maintains a Historic Architectural Review Board, and exterior changes to properties in the historic district require a certificate of appropriateness before the work happens. That does not add a step at settlement, but it matters during pre-sale preparation: replacing windows, doors, roofing, or siding on a historic-district property without HARB review creates exactly the kind of open issue a buyer’s title search surfaces. If your property sits near the Brandywine Battlefield ground, check the district map before the contractor starts.

What do sellers in Unionville country prepare instead of a certificate?

The rural systems and the land records. Most homes here run on wells and on-lot septic, which the buyer will test, and many parcels carry conservation easements, sold development rights, or deed restrictions from decades of preservation work, which the buyer’s attorney will read closely. A current water test, a septic pump-out receipt, the permit history, and the easement file turn the county’s most document-heavy diligence into a smooth one. Pocopson’s own FAQ reminds owners to pump septic systems regularly for a reason.

What is the market like in the Unionville-Chadds Ford townships?

District-driven and supply-starved. Unionville-Chadds Ford is one of Pennsylvania’s most sought-after school districts, the four townships zone for open space aggressively, and West Marlborough alone holds some of the most preserved horse country on the East Coast with fewer than 900 residents. Buyers wait for inventory here, from Longwood Gardens commuters to equestrian households, and correctly prepared listings command the premium the district built. The constraint is never demand; it is the paperwork on wells, septic, and easements being ready when the offer comes fast.

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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