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75 Underrock Rd, Sparta, NJ 07871 Property Records

Sussex County and Sparta Township property record for 75 Underrock Rd, Sparta, NJ 07871

Property Summary

Property TypeSingle Family Home
Details3,054 sqft · built 1991
Lot Size1.01 acres (44,431 sqft)
OwnerIndividual Name on Record
Last Sale$515,500 (Jan 2018)
Tax Bill$17,020 (2025)
Deeds & MortgagesMay 2021 Mortgage
Jan 2018 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN18-35006-0000-00078

Property Details

APN / Parcel Number

Primary APN18-35006-0000-00078
Alternative APN
  • 18000062600049

Interior

Stories2 Stories
Building Area3,054 sqft Living Area

Exterior

Year BuiltBuilt 1991
Effective Year BuiltEffective 1991
Architectural StyleColonial
Lot Area44,431 sqft
Garage TypeAttached

Location & Zoning

Old Parcel Number18000062600049
Street Address75 UNDERROCK RD
CitySPARTA
StateNJ
Zip07871-3149
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRR
Legal SubdivisionSUNSET LAKES SEC 02
Legal Block35006
Legal Lot Number78
JurisdictionSUSSEX NJ
Township / Civil DivisionSPARTA
Census Block Group2
Census Block2010
Census Tract373200

Owner

Source: Sussex County and Sparta Township records, as of July 6, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordIndividual Name on Record
Mailing Address75 UNDERROCK RD, SPARTA, NJ 07871-3149
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
May 18, 2021Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LOANS LLC
Jan 9, 2018Grant Deed, Transfer · Conventional with PMI
PREMIA RELOCATION MTG

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 9, 2018 · Amount on Record
Deed SaleJan 9, 2018 · Amount on Record
Prior SaleAug 12, 2005 · Amount on Record
Deed Document Number201810005720
Deed Book / Page3460 / 297
Record UpdatedOct 29, 2026

May 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUSSEX NJ
Property Address75 UNDERROCK RD, SPARTA, NJ 07871-3149
Transaction TypeMortgage
Record UpdatedJun 21, 2021
Title CompanyAMROCK INC

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0099490234
DateMay 18, 2021
Book Page9949/234
Instrument20210518010126300
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term358 Months
DueMar 1, 2051

January 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSUSSEX NJ
Recording DateJan 9, 2018
Property Address75 UNDERROCK RD, SPARTA, NJ 07871-3149
Document Number0034600297
Book / Page003460 / 000297
Instrument DateOct 7, 2017
Instrument5720
Transaction TypeTransfer
Record UpdatedFeb 6, 2018
Title CompanyFIDELITY NATIONAL TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$515.50
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address75 UNDERROCK RD SPARTA NJ 078713149, SPARTA, NJ 07871-3149

Mortgage

Document Number95670015
DateJan 9, 2018
Book Page009567/000015
Instrument5740
Lender
NamePREMIA RELOCATION MTG
TypeMortgage Company
AddressTROY, MI 48098-2620
Agreement
TypeConventional with PMI
AmountAmount Recorded
Term360 Months
DueJan 8, 2048

Tax Assessment & Valuation

Source: Sussex County and Sparta Township assessment roll, as of July 6, 2026

Property Jurisdictions

TypeName
StateNew Jersey
CountySussex County
County SubdivisionSparta Township
Unified School DistrictSparta Township School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$464,000 (-) Land $155,200 Building $308,800$464,000 (-) Land $155,200 Building $308,800
2025$17,020.00 (+2.21%)$464,000 (-) Land $155,200 Building $308,800$464,000 (-) Land $155,200 Building $308,800
2024$16,652.00 (+5.49%)
2023$464,000 Land $155,200 Building $308,800$464,000 Land $155,200 Building $308,800
2022$15,785.00

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 October 2, 2014 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force

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 Likelihood0.02% annual chance
ExposureDirect
burnable vegetation

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 SystemSPARTA TWP WTR - SUNSET
serves 342 people · EPA ID NJ1918013
Water SourceGroundwater
Last State InspectionDec 2023
Lead1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting2
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 49 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Planet Networks
Fiber		10,000 / 10,000
Optimum
Cable		940 / 35
Verizon
Fixed Wireless		300 / 20

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