Delaware County property record for 3605 Williamson Ave, Brookhaven, PA 19015
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,334 sqft · built 1955 |
| Lot Size | 1.38 acres (60,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $440,000 (May 2024) |
| Tax Bill | $7,379 (2026) |
| Deeds & Mortgages | May 2024 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 05-07-131:000 |
| Primary APN | 05-07-131:000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,334 sqft Living Area |
| 1st Floor Area | 1,334 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 60,200 sqft |
| Lot Dimensions | 505 ft deep x 105 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0507131000 |
|---|---|
| Street Address | 3605 WILLIAMSON AVE |
| City | BROOKHAVEN |
| State | PA |
| Zip | 19015-2820 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 1 STY HSE POOL 105 X 505 X IRR |
| Legal Block | 50 |
| Jurisdiction | DELAWARE PA |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 406201 |
3605 Williamson Ave is owned and occupied by two individuals who bought it in May 2024.
Source: Delaware County records, as of May 28, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3605 WILLIAMSON AVE, BROOKHAVEN, PA 19015-2820 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 2, 2024 · Amount on File |
| Deed Sale | May 2, 2024 · Amount on File |
| Prior Sale | Aug 5, 1983 · Amount on File |
| Deed Document Number | 202414396 |
| Deed Book / Page | 6972 / 169 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DELAWARE PA |
| Property Address | 3605 WILLIAMSON AVE, BROOKHAVEN, PA 19015-2820 |
| Transaction Type | Mortgage |
| Record Updated | May 17, 2024 |
| Name | Verified Name |
|---|---|
| Address | 131 LESTER AVE, SHILLINGTON, PA 19607-1211 |
| Document Number | RECORD69720173 |
|---|---|
| Date | May 2, 2024 |
| Book Page | RECORD6972/173 |
| Instrument | 2024014397 |
| Name | FIRST NATIONAL BANK OF PENNSYLVANIA |
|---|---|
| Type | Bank |
| Address | 4140 E STATE ST, HERMITAGE, PA 16148 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 1, 2054 |
| Rate | 6.37% |
|---|---|
| Type Change Date | May 1, 2031 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3% |
| Max Rate At Change | 11.3% |
| Index | Other |
| Margin | 3 |
| Max Rate | 11.3% |
The 2026 property tax bill for 3605 Williamson Ave was $7,379.
Source: Delaware County assessment roll, as of May 28, 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Delaware County |
| Municipality | Brookhaven Borough |
| Unified School District | Penn-Delco School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $7,379.00 | $262,530 Land $125,870 Building $136,660 | $262,530 Land $125,870 Building $136,660 |
| 2024 | $262,530 Land $125,870 Building $136,660 | ||
| 2023 | $6,492.00 Homeowner's exemption | ||
| 2021 | $262,530 (-) | ||
| 2020 | $262,530 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3605 Williamson Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 30, 2023 · 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 |
| Nearby Flood Claims | 6 (1999–2011) |
| Most Recent Claim | Aug 2011 · Hurricane Irene |
| Claims by Event |
|
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 risk around 3605 Williamson Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 93% of Pennsylvania |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CHESTER WATER AUTHORITY serves 140,437 people · EPA ID PA1230004 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2025 |
| Lead | 5 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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.
Source: FCC Broadband Data Collection, based on 577 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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