Shiawassee County property record for 433 E Mason St, Owosso, MI 48867 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,273 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 050-391-000-015-00 |
| Primary APN | 050-391-000-015-00 |
|---|
| Lot Area | 8,712 sqft (0.2 acres) |
|---|---|
| Lot Dimensions | 182 ft deep x 49 ft wide |
| Street Address | 433 E MASON ST |
|---|---|
| City | OWOSSO |
| State | MI |
| Zip | 48867-3033 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | W 14 OF LOT 10 & E 12 LOT 11 J H LAVEROCKS SUBDIV OUTLOT 5 OF ORIGINAL PLAT |
| Legal Subdivision | J H LAVEROCKS SUBDIV |
| Legal Lot Number | 10-11 |
| Jurisdiction | SHIAWASSEE MI |
| Township / Civil Division | OWOSSO |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 30500 |
Source: Shiawassee County records · APN 050-391-000-015-00
Assessment roll updated July 16, 2026 · Last verified July 2026
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| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 728 W OLIVER ST, OWOSSO, MI 48867-2220 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Shiawassee County records · Assessment roll updated July 16, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Michigan |
| County | Shiawassee County |
| Municipality | Owosso City |
| Unified School District | Owosso Public Schools (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $60,900 (+6.47%) | $121,800 (+6.47%) | |
| 2025 | $2,273.00 (+4.7%) Homeowner's exemption Additional exemption filed | $57,200 (+20.17%) | $114,400 (+20.17%) |
| 2023 | $2,171.00 Homeowner's exemption Additional exemption filed | $47,600 | $95,200 |
Source: FEMA National Flood Hazard Layer, Shiawassee County (26155C), updated April 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026
| Historic District | Within the Mason Street Historic Residential District listed 1980 · 37 contributing resources · NRIS 80001900 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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