137 Mountain Ave, Hackettstown, NJ 07840 Property Records

Warren County and Hackettstown Town property record for 137 Mountain Ave, Hackettstown, NJ 07840

Property Summary

Property TypeMedical Building
Details8,597 sqft · built 1850
Lot Size0.708 acres (30,840 sqft)
OwnerCompany Name on Record
Tax Bill$46,940 (2025)
Flood ZoneZone X (minimal risk)
APN08-00120-0000-00012

Property Details

APN / Parcel Number

Primary APN08-00120-0000-00012
Alternative APN
  • 080012000012

Interior

Units4 Units
Stories2 Stories
Building Area8,597 sqft Total Area

Exterior

Year BuiltBuilt 1850
Effective Year BuiltEffective 1850
Exterior MaterialConcrete Block
Construction TypeConcrete Block
Lot Area30,840 sqft (0.708 acres)
Lot Dimensions234 ft deep x 172 ft wide

Location & Zoning

Street Address137 MOUNTAIN AVE
CityHACKETTSTOWN
StateNJ
Zip07840-2390
Property CategoryCommercial
Property TypeCommercial > Office > Medical Building
Local Zoning CodeR125
Legal DescriptionINCL BLK 120 LOTS 12 & 13
Legal Block120
Legal Lot Number12
JurisdictionWARREN NJ
Township / Civil DivisionHACKETTSTOWN
Census Block Group1
Census Block1026
Census Tract31402

Owner

Source: Warren County and Hackettstown Town records, as of July 7, 2026

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

Owner of RecordCompany Name on Record
Mailing Address59B CENTRAL AVE, MADISON, NJ 07940-1623
Owner TypeCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateJan 22, 2003
Transfer Doc0018500203
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Warren County and Hackettstown Town assessment roll, as of July 7, 2026

Property Jurisdictions

TypeName
StateNew Jersey
CountyWarren County
MunicipalityHackettstown Town
Unified School DistrictHackettstown Town School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$1,350,000 (-) Land $467,500 Building $882,500$1,350,000 (-) Land $467,500 Building $882,500
2025$46,940.00 (+1.7%)$1,350,000 (-31.58%) Land $467,500 Building $882,500$1,350,000 (-31.58%) Land $467,500 Building $882,500
2024$46,157.00 (-28.33%)
2023$1,973,100 Land $467,500 Building $1,505,600$1,973,100 Land $467,500 Building $1,505,600
2022$64,401.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 29, 2011 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies7 in force
Nearby Flood Claims2 (2011)
Most Recent ClaimAug 2011 · Hurricane Irene
Claims by Event
  • Hurricane Irene, Aug 2011 · 2 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 RiskLow
lower than 80% of the US · lower than 65% of New Jersey
Wildfire Likelihood0.01% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemHACKETTSTOWN MUA
serves 22,000 people · EPA ID NJ2108001
Water SourceGroundwater
Last State InspectionDec 2023
Lead5 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting15
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 361 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Optimum.

Nearby Properties on Mountain Ave

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