643 William St, Bethlehem, PA 18015 Property Records

Northampton County property record for 643 William St, Bethlehem, PA 18015

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,549 sqft · built 1916
Lot Size	0.046 acres (2,004 sqft)
Owner	Individual Name on File
Last Sale	$65,000 (May 2018)
Tax Bill	$258 (2026)
Deeds & Mortgages	May 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`4763-10-3840-5432`

Property Details

APN / Parcel Number

Primary APN	`4763-10-3840-5432`
Alternative APN	`P7SW1A 15 4 0204`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,549 sqft Living Area

Exterior

Year Built	Built 1916
Architectural Style	Other
Exterior Material	Brick
Lot Area	2,004 sqft (0.046 acres)
Terrain	Above Road/Slope

Utilities, Heating & Cooling

Cooling System	None
Heating System	Forced Air
Heating Fuel	Electric
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	643 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	OBERTLY TERRACE
Legal Block	15
Legal Lot Number	4
Jurisdiction	NORTHAMPTON PA
Township / Civil Division	BETHLEHEM
Census Block Group	1
Census Block	1017
Census Tract	11300

Owner

Source: Northampton County records · APN 4763-10-3840-5432

Assessment roll updated September 1, 2025 · Last verified March 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 File
Mailing Address	1130 ARCADIA ST, BETHLEHEM, PA 18018-3002
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	May 01, 2018 · Amount on Record
Deed Sale	May 01, 2018 · Amount on Record
Deed Document Number	018-182787
Deed Book / Page	2018-1 / 82787
Record Updated	Jun 08, 2026

May 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NORTHAMPTON PA
Recording Date	May 01, 2018
Property Address	643 WILLIAM ST, BETHLEHEM, PA 18015-2133
Document Number	0000010593
Book / Page	000001 / 082787
Instrument Date	Apr 26, 2018
Instrument	10593
Transaction Type	Transfer
Record Updated	Dec 16, 2019
Title Company	ADVANCED ABSTRACT INC

Transaction

Amount	Amount Recorded
Tax	$650.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1130 ARCADIA ST BETHLEHEM PA 180183002, BETHLEHEM, PA 18018-3002

Tax Assessment & Valuation

Source: Northampton County records · Assessment roll updated September 1, 2025 · Last verified March 2026

Property Jurisdictions

Type	Name
State	Pennsylvania
Municipality	Bethlehem City
County	Northampton County
Unified School District	Bethlehem Area School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$258.00 (-87.78%)	$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

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of December 31, 2024 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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	Remnants Of Hurricane Ida, Sep 2021 · 3 claims Hurricane Irene, Aug 2011 · 11 claims Tropical Depression Ivan, Sep 2004 · 5 claims

Wildfire

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 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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Radiate Holdings Cable	1,500 / 50
Service Electric Television Cable	1,000 / 40
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
Starlink Satellite	280 / 30

Based on FCC filings for 451 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF BETHLEHEM serves 117,259 people
Water Source	Surface water
Last State Inspection	May 2024
Lead	Under 1 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	1 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.