Northampton County property record for 637 William St, Bethlehem, PA 18015
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,549 sqft · built 1916 |
| Lot Size | 0.046 acres (2,004 sqft) |
| Owner | Individual Name on File |
| Last Sale | $205,000 (Oct 2024) |
| Tax Bill | $258 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 4763-10-3839-8379 |
| Primary APN | 4763-10-3839-8379 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,549 sqft Living Area |
| Year Built | Built 1916 |
|---|---|
| Architectural Style | Other |
| Exterior Material | Brick |
| Lot Area | 2,004 sqft (0.046 acres) |
| Cooling System | None |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 637 WILLIAM ST |
|---|---|
| City | BETHLEHEM |
| State | PA |
| Zip | 18015-2133 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RM |
| Legal Description | DIST:04 CITY/MUNI/TWP:BETHLEHEM CITY |
| Legal Subdivision | OBERLY TERRACE |
| Legal Block | 15 |
| Legal Lot Number | 7 |
| Jurisdiction | NORTHAMPTON PA |
| Township / Civil Division | BETHLEHEM |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 11300 |
637 William St is owned and occupied by an individual who bought it in October 2024.
Source: Northampton County records, as of March 12, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 637 WILLIAM ST, BETHLEHEM, PA 18015-2133 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Oct 9, 2024 · Amount on File |
| Deed Sale | Oct 9, 2024 · Amount on File |
| Prior Sale | Jun 19, 2007 · Amount on File |
| Deed Document Number | 24-1187877 |
| Deed Book / Page | 2024-1 / 187877 |
| Record Updated | Jun 8, 2026 |
The 2026 property tax bill for 637 William St was $258.
Source: Northampton County assessment roll, as of September 1, 2025
| Type | Name |
|---|---|
| State | Pennsylvania |
| Municipality | Bethlehem City |
| County | Northampton County |
| Unified School District | Bethlehem Area School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $258.00 | $23,900 Land $5,600 Building $18,300 | |
| 2024 | $2,112.00 | $23,900 Land $5,600 Building $18,300 | |
| 1995 | $47,800 Land $11,200 Building $36,600 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 637 William St in Zone X, an area of minimal flood risk, though there have been 44 flood claims nearby since 1993.
Source: FEMA National Flood Hazard Layer, effective December 31, 2024 · 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 | 44 (1993–2021) |
| Claims Outside the SFHA | 8 of 44 |
| Most Recent Claim | Sep 2021 · Remnants Of Hurricane Ida |
| 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 637 William St 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 99.1% of the US · lower than 99.4% 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 | CITY OF BETHLEHEM serves 117,259 people · EPA ID PA3480046 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2024 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 451 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Astound Broadband Cable | 1,500 / 50 |
| Service Electric Cable TV Cable | 1,000 / 40 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| Starlink Satellite | 280 / 30 |
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