Shiawassee County property record for 321 W Williams St, Owosso, MI 48867
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.22 acres (9,583 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $2,822 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 050-470-038-007-00 |
| Primary APN | 050-470-038-007-00 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 2,857 sqft Living Area |
| 1st Floor Area | 1,595 sqft |
| Basement Area | 1,544 sqft |
| Unfinished Basement | 1,544 sqft |
| Year Built | Built 1880 |
|---|---|
| Effective Year Built | Effective 1880 |
| Architectural Style | Custom Design |
| Lot Area | 9,583 sqft (0.22 acres) |
| Garage Area | 330 sqft |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 321 W WILLIAMS ST |
|---|---|
| City | OWOSSO |
| State | MI |
| Zip | 48867-2233 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | COM 181.5' W OF NE COR OF BLK 38 S 75' E 1' TH S 57' W 82.5 N 132' E TO BEG BLK 38 ORIGINAL PLAT |
| Legal Subdivision | ORIGINAL OF CITY OF OWOSSO |
| Legal Block | 38 |
| Jurisdiction | SHIAWASSEE MI |
| Township / Civil Division | OWOSSO |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 30600 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Owosso Downtown Historic District listed 2014 · 91 contributing resources · NRIS 14000126 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Shiawassee County records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 321 W WILLIAMS ST, OWOSSO, MI 48867-2233 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $116,700 (+9.27%) | $233,400 (+9.27%) | |
| 2025 | $2,822.00 (+7.38%) Homeowner's exemption | $106,800 (+26.69%) | $213,600 (+26.69%) |
| 2023 | $2,628.00 Homeowner's exemption | $84,300 | $168,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (1981–1982) |
| Most Recent Claim | Mar 1982 · 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.
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 471 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 5,000 / 5,000 |
| DayStarr Fiber | 2,500 / 2,500 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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