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9 Spring St, Princeton, NJ 08542 Property Records

Mercer County and Princeton property record for 9 Spring St, Princeton, NJ 08542 · Last verified July 2026

Property Summary

Property TypeCommercial Office
Details4,480 sqft
Lot Size0.054 acres (2,344 sqft)
OwnerCompany Name on File
Last Sale$1,353,125 (Dec 2011)
Tax Bill$34,163 (2025)
Deeds & MortgagesMar 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN14-00027-01-00073

Property Details

APN / Parcel Number

Primary APN14-00027-01-00073
Alternative APN
  • 0900027 0100073

Interior

Stories2 Stories
Building Area4,480 sqft Total Area

Exterior

Construction TypeBrick
Lot Area2,344 sqft (0.054 acres)
Lot Dimensions67 ft deep x 35 ft wide

Location & Zoning

Street Address9 SPRING ST
CityPRINCETON
StateNJ
Zip08542
Property CategoryCommercial
Property TypeCommercial > Office > Commercial Office
Legal DescriptionB-27,L-73
Legal SubdivisionMERCER OAK REALTY
Legal Block27.1
Legal Lot Number73
JurisdictionMERCER NJ
Township / Civil DivisionPRINCETON
Census Block Group2
Census Block2025
Census Tract4000

Owner

Source: Mercer County and Princeton records · APN 14-00027-01-00073

Assessment roll updated July 6, 2026 · Last verified July 2026

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

Owner of RecordCompany Name on File
Mailing Address200 PRINCETON SOUTH CORPORATE CTR, 100, EWING, NJ 08628-3434
Owner TypeCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleDec 20, 2011 · Amount on Record
Deed SaleDec 20, 2011 · Amount on Record
Prior SaleMar 02, 2010 · Amount on Record
Deed Document Number20112011 038312
Deed Book / Page6133 / 297
Prior Transfer DateDec 22, 2009
Prior Transfer Doc0003020117
Record UpdatedSep 20, 2026

March 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMERCER NJ
Property Address9 SPRING ST, PRINCETON, NJ 08542
Transaction TypeMortgage
Record UpdatedAug 18, 2022
Title CompanyFIDELITY NATL TTL INS LLC

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000010566
DateMar 04, 2020
Book Page11472/1289
Instrument2020010566
Lender
NameFIRST BANK
TypeBank
AddressTRENTON, NJ 08690
Agreement
TypeCommercial Mortgage
AmountAmount Recorded
Term119 Months
DueFeb 21, 2030

Tax Assessment & Valuation

Source: Mercer County and Princeton records · Assessment roll updated July 6, 2026 · Last verified July 2026

Property Jurisdictions

TypeName
StateNew Jersey
CountyMercer County
MunicipalityPrinceton
Unified School DistrictPrinceton Public Schools (KG - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed ValueAssessed Market Value
2026$1,250,000 (-) Land $717,600 Building $532,400$1,250,000 (-) Land $717,600 Building $532,400
2025$34,163.00 (+2.63%)$1,250,000 (-) Land $717,600 Building $532,400$1,250,000 (-) Land $717,600 Building $532,400
2024$33,288.00 (+9.5%)
2023$1,250,000 Land $717,600 Building $532,400$1,250,000 Land $717,600 Building $532,400
2022$30,400.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Mercer County (34021C), updated May 23, 2024 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 340210040002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies1 in force
Nearby Flood Claims2 (2011)
Claims Outside the SFHA2 of 2
Most Recent ClaimAug 2011, other causes, Hurricane Irene
Claims By Storm
  • Hurricane Irene, Aug 2011 · 2 claims

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
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.

Historic Designation

Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026

Historic DistrictWithin the Princeton Historic District (Boundary Increase)
listed 2017 · 1 contributing resources · NRIS 75001143

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 566 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
VerizonFiber2,300 / 2,300
XfinityCable2,000 / 250
AT&TFixed Wireless100 / 20
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: Verizon, Andrena. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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