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12850 Prospect Ave, Warren, MI 48089 Property Records

Macomb County property record for 12850 Prospect Ave, Warren, MI 48089

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 696 sqft · built 1952
Lot Size0.097 acres (4,225 sqft)
OwnerCompany Name on Record
Last Sale$45,000 (Aug 2019)
Tax Bill$1,328 (2025)
Deeds & MortgagesAug 2019 Sale
Oct 2018 Sale
+ 1 more
Flood ZoneZone X (minimal risk)
APN12-13-35-404-018

Property Details

APN / Parcel Number

Primary APN12-13-35-404-018
Alternative APN
  • 1335404018

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area696 sqft Living Area
1st Floor Area696 sqft

Exterior

Year BuiltBuilt 1952
Effective Year BuiltEffective 1952
Lot Area4,225 sqft (0.097 acres)
Lot Dimensions106 ft deep x 40 ft wide
PorchPorch

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerStorm Sewer
Water SourceCommercial

Location & Zoning

Street Address12850 PROSPECT AVE
CityWARREN
StateMI
Zip48089-4810
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-1-C
Legal DescriptionJOHN F KEYS' KEYSLAWN ESTATES LOT 148 L.10 P.55
Legal SubdivisionJOHN F KEYS KEYSLAWN ESTATES
Legal Lot Number148
JurisdictionMACOMB MI
Township / Civil DivisionWARREN
Census Block Group2
Census Block2011
Census Tract268300

Owner

Source: Macomb County records, as of October 19, 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 RecordCompany Name on Record
Mailing AddressPO BOX 868, WARREN, MI 48090-0868
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

DateDocument
Aug 28, 2019Warranty Deed, Transfer
NOT AVAILABLE
Oct 22, 2018Warranty Deed, Transfer
TITLE ONE
Jun 12, 2018Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 28, 2019 · Amount on Record
Deed SaleAug 28, 2019 · Amount on Record
Prior SaleOct 22, 2018 · Amount on Record
Deed Document Number20199096315
Deed Book / Page26159 / 739
Prior Transfer DateJun 5, 2018
Prior Transfer Doc0000066702
Record UpdatedOct 29, 2026

August 2019: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionMACOMB MI
Recording DateAug 28, 2019
Property Address12850 PROSPECT AVE, WARREN, MI 48089-4810
Document Number0000096315
Book / Page026159 / 000739
Instrument DateAug 15, 2019
Instrument96315
Transaction TypeTransfer
Record UpdatedSep 24, 2019
Title CompanyNOT AVAILABLE

Transaction

AmountAmount Recorded
Tax$387.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address22 LEAH ST

October 2018: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionMACOMB MI
Recording DateOct 22, 2018
Property Address12850 PROSPECT AVE, WARREN, MI 48089-4810
Document Number0000116694
Book / Page025641 / 000254
Instrument DateSep 26, 2018
Instrument116694
Transaction TypeTransfer
Record UpdatedFeb 1, 2019
Title CompanyTITLE ONE

Transaction

AmountAmount Recorded
Tax$232.20
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address8484 PROSPECT AVE WARREN MI 48089, WARREN, MI 48089

June 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionMACOMB MI
Recording DateJun 12, 2018
Property Address12850 PROSPECT AVE, WARREN, MI 48089-4810
Document Number0000066702
Book / Page025410 / 000233
Instrument DateJun 5, 2018
Instrument66702
Transaction TypeTransfer
Record UpdatedAug 13, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
AddressPO BOX 36 MEADOW UT 846440036, MEADOW, UT 84644-0036

Tax Assessment & Valuation

Source: Macomb County assessment roll, as of October 19, 2026

Property Jurisdictions

TypeName
StateMichigan
CountyMacomb County
MunicipalityWarren City
Unified School DistrictVan Dyke Public Schools (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$37,130 (+62.71%)$74,260 (+62.71%)
2025$1,328.00 (+11.32%)
2023$22,820$45,640
2022$1,193.00

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 4, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

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 SystemCITY OF WARREN
serves 134,056 people · EPA ID MI0006900
Water SourcePurchased surface water from GREAT LAKES WATER AUTHORITY
Last State InspectionFeb 2025
Lead3 ppb (2025)
action level 15 ppb

Violations Reported to EPA

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

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless · DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
WOW Internet, Cable & Phone
Cable		1,200 / 50

May also be available: Verizon.

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