21940 Blackstone St, Oak Park, MI 48237 Property Records

Oakland County property record for 21940 Blackstone St, Oak Park, MI 48237

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 780 sqft · built 1954
Lot Size	0.106 acres (4,617 sqft)
Owner	Company Name on Record
Last Sale	$115,500 (Jul 2022)
Tax Bill	$3,232 (2025)
Deeds & Mortgages	Jan 2023 Transfer Jul 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`52-25-32-103-009`

Property Details

APN / Parcel Number

Primary APN	`52-25-32-103-009`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	4 Rooms
Stories	1 Story
Building Area	780 sqft Living Area
1st Floor Area	780 sqft
Basement Area	780 sqft
Unfinished Basement	780 sqft

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1954
Exterior Material	Aluminum/Vinyl
Roof Type	Gable
Lot Area	4,617 sqft (0.106 acres)
Lot Dimensions	107 ft deep x 43 ft wide
Porch	Porch
Porch Area	16 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Street Address	21940 BLACKSTONE ST
City	OAK PARK
State	MI
Zip	48237-2804
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-1
Legal Description	T1N, R11E, SEC 32 JOSEPH J TREPPAS CADILLAC HOMES SUB S 6 FT OF LOT 48 & N 37 FT OF LOT 49
Legal Range	11E
Legal Township	01N
Legal Section	32
Legal Subdivision	CADILLAC HOMES SUB
Legal Lot Number	48-49
Jurisdiction	OAKLAND MI
Township / Civil Division	OAK PARK
Census Block Group	1
Census Block	1009
Census Tract	171600

Owner

Source: Oakland County records, as of May 27, 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 Record	Company Name on Record
Mailing Address	PO BOX 1628, BIRMINGHAM, MI 48012-1628
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Jan 13, 2023	Quit Claim Deed, Transfer Quitclaim
Jul 15, 2022	Warranty Deed, Transfer · Conventional Mortgage BROKER SOLUTIONS INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 15, 2022 · Amount on Record
Deed Sale	Jul 15, 2022 · Amount on Record
Prior Sale	Jun 25, 2014 · Amount on Record
Deed Document Number	2022415125
Deed Book / Page	57955 / 815
Prior Transfer Date	Aug 26, 2009
Prior Transfer Doc	0000161710
Record Updated	Sep 20, 2026

January 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	OAKLAND MI
Recording Date	Jan 13, 2023
Property Address	21940 BLACKSTONE ST, OAK PARK, MI 48237-2804
Document Number	0000005763
Book / Page	58375 / 456
Map Reference	LB 19 PG 24
Instrument Date	Jan 10, 2023
Instrument	5763
Transaction Type	Transfer
Record Updated	Jan 30, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	21940 BLACKSTONE ST, OAK PARK, MI 48237-2804

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	372 W BROWN ST, BIRMINGHAM, MI 48009-1468

July 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	OAKLAND MI
Recording Date	Jul 15, 2022
Property Address	21940 BLACKSTONE ST, OAK PARK, MI 48237-2804
Document Number	0000415125
Book / Page	57955 / 815
Map Reference	LB 19 PG 24
Instrument Date	Jul 12, 2022
Instrument	415125
Transaction Type	Transfer
Record Updated	Sep 1, 2022

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$866.25
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	21411 CIVIC CENTER DR # DR211, 21411, SOUTHFIELD, MI 48076-3910

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21940 BLACKSTONE ST, OAK PARK, MI 48237-2804

Mortgage

Document Number	0000415335
Date	Jul 18, 2022
Book Page	57957/66
Instrument	415335

Lender

Name	BROKER SOLUTIONS INC
Type	Mortgage Company
Address	TUSTIN, CA 92780

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2052

Tax Assessment & Valuation

Source: Oakland County assessment roll, as of January 21, 2026

Property Jurisdictions

Type	Name
State	Michigan
County	Oakland County
Municipality	Oak Park City
Unified School District	Oak Park City School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$3,232.00 (+2.08%)	$52,100 (+33.93%) Land $14,000 Building $38,100	$104,200 (+33.93%) Land $28,000 Building $76,200
2024	$3,166.00 (+237.53%)
2023		$38,900 Land $6,100 Building $32,800	$77,800 Land $12,200 Building $65,600
2022	$938.00

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.

Flood

Source: FEMA National Flood Hazard Layer, effective December 8, 2024

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not 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 Risk	Not 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 System	OAK PARK serves 29,654 people · EPA ID MI0004880
Water Source	Purchased surface water from GREAT LAKES WATER AUTHORITY
Last State Inspection	Feb 2026
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	None 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. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 611 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	1,200 / 35

May also be available: T-Mobile, Verizon.

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