Shiawassee County property record for 643 Alger Ave, Owosso, MI 48867
| Property Type | Commercial |
|---|---|
| Details | 26,503 sqft |
| Lot Size | 3.38 acres (147,411 sqft) |
| Owner | 2 Company Names on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 050-010-016-004-00 |
| Primary APN | 050-010-016-004-00 |
|---|
| Building Area | 26,503 sqft Building Perimeter |
|---|
| Lot Area | 147,411 sqft (3.38 acres) |
|---|
| Street Address | 643 ALGER AVE |
|---|---|
| City | OWOSSO |
| State | MI |
| Zip | 48867-4601 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | LOTS 7 TO 26 & LOTS 57 TO 73 INCLUSIVE & S 12 LOT 56 INCL ALL OF CLSD ADJ ALLEY EXC N 12 ALLEY LOT 56 ALL IN BLK 16 GEO T ABR |
| Legal Subdivision | WOODLAWN PARK ADD |
| Legal Block | 16 |
| Legal Lot Number | 7,26,57 |
| Jurisdiction | SHIAWASSEE MI |
| Township / Civil Division | OWOSSO |
| Census Block Group | 3 |
| Census Block | 3024 |
| Census Tract | 30800 |
643 Alger Ave, a commercial property, is owned by a company.
Source: Shiawassee County records, as of October 20, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | PO BOX 340, OWOSSO, MI 48867-0340 |
| Owner Type | Company |
| Vesting | Government |
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 | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Shiawassee County assessment roll, as of July 16, 2026
| Type | Name |
|---|---|
| State | Michigan |
| County | Shiawassee County |
| Municipality | Owosso City |
| Unified School District | Owosso Public Schools (KG - 12) |
FEMA maps place 643 Alger Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2023.
Source: FEMA National Flood Hazard Layer, effective April 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 1 (2023) |
| Most Recent Claim | Aug 2023 · rainfall accumulation |
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.
The area around 643 Alger 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 OWOSSO serves 16,353 people · EPA ID MI0005120 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Oct 2024 |
| Lead | 9 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Coliform assessment Nov 2022 |
| Monitoring and Reporting | 2 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.
Source: FCC Broadband Data Collection, based on 205 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| DayStarr Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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