Macomb County property record for 21486 Blackmar Ave, Warren, MI 48091
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,157 sqft · built 1948 |
| Lot Size | 0.105 acres (4,574 sqft) |
| Owner | Individual Name on File |
| Last Sale | $100,000 (Sep 2003) |
| Tax Bill | $1,513 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-13-32-427-012 |
| Primary APN | 12-13-32-427-012 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,157 sqft Living Area |
| Gross Area | 1 sqft |
| 1st Floor Area | 1,157 sqft |
| Basement Area | 725 sqft |
| Unfinished Basement | 725 sqft |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Roof Material | Asphalt |
| Lot Area | 4,574 sqft (0.105 acres) |
| Lot Dimensions | 114 ft deep x 40 ft wide |
| Garage Area | 308 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Storm Sewer |
| Water Source | Commercial |
| Street Address | 21486 BLACKMAR AVE |
|---|---|
| City | WARREN |
| State | MI |
| Zip | 48091-2805 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-1-C |
| Legal Description | RAMM AND CO'S MOUND PARK SUB. S 6 FT LOT 426AND N 34 FT LOT 427; INCL 1/2 VAC ALLEY ADJ REAR L8 P49 |
| Legal Subdivision | RAMM AND COS MOUND PARK SUB |
| Legal Lot Number | 426-427 |
| Jurisdiction | MACOMB MI |
| Township / Civil Division | WARREN |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 263700 |
21486 Blackmar Ave is owned by an individual who bought it in September 2003.
Source: Macomb County records, as of October 19, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 482 DORCHESTER WAY, MILFORD, MI 48381-2788 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 5, 2003 · Amount on File |
| Deed Sale | Sep 5, 2003 · Amount on File |
| Deed Document Number | 20033261641 |
| Deed Book / Page | 14169 / 101 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 21486 Blackmar Ave was $1,513.
Source: Macomb County assessment roll, as of October 19, 2026
| Type | Name |
|---|---|
| State | Michigan |
| County | Macomb County |
| Municipality | Warren City |
| Unified School District | Fitzgerald Public Schools (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $64,340 | $128,680 | |
| 2025 | $1,513.00 | ||
| 2023 | $39,230 | $78,460 | |
| 2022 | $1,299.00 |
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.
FEMA maps place 21486 Blackmar Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 4, 2026
| 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.
The area around 21486 Blackmar Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF WARREN serves 134,056 people · EPA ID MI0006900 |
|---|---|
| Water Source | Purchased surface water from GREAT LAKES WATER AUTHORITY |
| Last State Inspection | Feb 2025 |
| Lead | 3 ppb (2025) action level 15 ppb |
| 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.
Source: FCC Broadband Data Collection, based on 786 locations within half a mile, as of December 31, 2025
| Provider | Max 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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