Washington County property record for 423 William St, Monongahela, PA 15063
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,932 sqft · built 1916 |
| Lot Size | 0.217 acres (9,453 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,378 (2026) |
| Deeds & Mortgages | Jan 2019 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 440-018-00-04-0010-00 |
| Primary APN | 440-018-00-04-0010-00 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,932 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1916 |
|---|---|
| Effective Year Built | Effective 1916 |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 9,453 sqft (0.217 acres) |
| Lot Dimensions | 118 ft deep x 80 ft wide |
| Garage Type | Detached |
| Garage Area | 256 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 423 WILLIAM ST |
|---|---|
| City | MONONGAHELA |
| State | PA |
| Zip | 15063-2143 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 18-19 2 STY AL HSE-GAR |
| Legal Lot Number | 18 |
| Jurisdiction | WASHINGTON PA |
| Township / Civil Division | MONONGAHELA |
| Census Block Group | 1 |
| Census Block | 1061 |
| Census Tract | 773200 |
423 William St is owned and occupied by two individuals.
Source: Washington County records, as of May 27, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 423 WILLIAM ST, MONONGAHELA, PA 15063-2143 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WASHINGTON PA |
| Property Address | 423 WILLIAM ST, MONONGAHELA, PA 15063-2143 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000002108 |
|---|---|
| Date | Jan 30, 2019 |
| Instrument | 201902108 |
| Name | PNC BANK NA |
|---|---|
| Type | Bank |
| Address | PITTSBURGH, PA 15222 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 120 Months |
| Due | Jan 29, 2029 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
The 2026 property tax bill for 423 William St was $3,378, up 4.8% from the year before.
Source: Washington County assessment roll, as of February 2, 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Washington County |
| Municipality | Monongahela City |
| Unified School District | Ringgold School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $3,378.00 (+4.81%) | $108,700 (-) Land $26,800 Building $81,900 | $108,700 Land $26,800 Building $81,900 |
| 2025 | $3,223.00 | $108,700 Land $26,800 Building $81,900 | |
| 2023 | $2,674.00 | $108,700 (-) Land $26,800 Building $81,900 | |
| 2022 | $2,674.00 | $108,700 Land $26,800 Building $81,900 | |
| 2015 | $108,700 Land $26,800 Building $81,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 423 William St in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1996.
Source: FEMA National Flood Hazard Layer, effective June 1, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 4 (1996–2000) |
| Most Recent Claim | Feb 2000 · river or lake flooding |
| 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 423 William St is low, with 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 80% of the US · above 43% of Pennsylvania |
|---|---|
| Wildfire Likelihood | 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 | PA AMER WATER CO-PITTSBURGH private · serves 686,000 people · EPA ID PA5020039 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2023 |
| Lead | 4 ppb (2025) action level 15 ppb |
| Water Quality | Turbidity resolved · Nov 2017 |
|---|---|
| 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 493 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures