421 William St, Downingtown, PA 19335 Property Records

Chester County property record for 421 William St, Downingtown, PA 19335

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,429 sqft · built 1948
Lot Size	0.224 acres (9,750 sqft)
Owner	Individual Name on Record
Last Sale	$360,000 (Nov 2022)
Tax Bill	$555 (2026)
Deeds & Mortgages	Nov 2022 Sale
Flood Zone	Zone X (minimal risk)
APN	`11-7-14`

Property Details

APN / Parcel Number

Primary APN	`11-7-14`
Alternative APNs	`1107 00140000` `1107 0014`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,429 sqft Living Area
Basement Area	360 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1948
Effective Year Built	Effective 2004
Architectural Style	Cape Cod
Exterior Material	Stucco
Lot Area	9,750 sqft (0.224 acres)
View / Lot	Neighborhood
Garage Type	Detached
Garage Area	360 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Oil
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	421 WILLIAM ST
City	DOWNINGTOWN
State	PA
Zip	19335-2538
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R3
Legal Description	LOT 24 & 1/2 LOT 25 DWG &
Legal Subdivision	GABEL ANX
Legal Lot Number	24
Jurisdiction	CHESTER PA
Township / Civil Division	DOWNINGTOWN
Census Block Group	2
Census Block	2022
Census Tract	304102

Owner

Source: Chester County records, as of May 28, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	421 WILLIAM ST, DOWNINGTOWN, PA 19335-2538
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 22, 2022 · Amount on Record
Deed Sale	Nov 22, 2022 · Amount on Record
Prior Sale	Jun 18, 2002 · Amount on Record
Deed Document Number	202211955752
Deed Book / Page	10980 / 2006
Prior Transfer Date	Aug 30, 1996
Prior Transfer Doc	0000053147
Record Updated	Sep 20, 2026

November 2022: Deed, Transfer

Document Type	Deed
Jurisdiction	CHESTER PA
Recording Date	Nov 22, 2022
Property Address	421 WILLIAM ST, DOWNINGTOWN, PA 19335-2538
Document Number	0109802006
Book / Page	10980 / 2006
Map Reference	MB 2 PG 80
Instrument Date	Nov 18, 2022
Instrument	11955752
Transaction Type	Transfer
Record Updated	Dec 5, 2022
Title Company	TRIDENT LAND TRANSFER COMPANY LP, TRIDENT LAND TRANSFER CO LP

Transaction

Amount	Amount Recorded
Tax	$3,600.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	421 WILLIAM ST, DOWNINGTOWN, PA 19335-2538

Tax Assessment & Valuation

Source: Chester County assessment roll, as of May 28, 2026

Property Jurisdictions

Type	Name
State	Pennsylvania
County	Chester County
Municipality	Downingtown Borough
Unified School District	Downingtown Area School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$555.00 (-89.07%)	$121,580 (-) Land $39,680 Building $81,900	$126,630 (-) Land $39,680 Building $86,950
2024	$5,077.00	$121,580 Land $39,680 Building $81,900
1998			$126,630 Land $39,680 Building $86,950

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 2, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 21 policies
Nearby Flood Policies	21 in force
Nearby Flood Claims	56 (1996–2021)
Claims Outside the SFHA	12 of 56
Most Recent Claim	Sep 2021 · Remnants Of Hurricane Ida
Claims by Event	Remnants Of Hurricane Ida, Sep 2021 · 12 claims Hurricane Irene, Aug 2011 · 5 claims Severe Storms, Flooding, And Mudslides, Jun 2006 · 8 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · above 43% of Pennsylvania
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	DOWNINGTOWN WATER AUTHORITY serves 9,900 people · EPA ID PA1150026
Water Source	Surface water
Last State Inspection	Dec 2024
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	22 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 610 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Xfinity Cable	2,000 / 250
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20