Shiawassee County property record for 520 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 |
| Last Sale | $84,800 (Nov 2023) |
| Tax Bill | $2,342 (2025) |
| Deeds & Mortgages | Nov 2023 Sale & Mortgage Jul 2023 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 050-668-000-041-00 |
| Primary APN | 050-668-000-041-00 |
|---|
| Lot Area | 8,712 sqft (0.2 acres) |
|---|---|
| Lot Dimensions | 132 ft deep x 66 ft wide |
| Street Address | 520 E MASON ST |
|---|---|
| City | OWOSSO |
| State | MI |
| Zip | 48867-3036 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 32 AL & BO WILLIAMS SUBDIV OUTLOTS 8 & 9 |
| Legal Subdivision | WILLIAMS SUBDIV |
| Legal Lot Number | 32 |
| Jurisdiction | SHIAWASSEE MI |
| Township / Civil Division | OWOSSO |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 30500 |
Source: Shiawassee County records · APN 050-668-000-041-00
Assessment roll updated July 16, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 520 E MASON ST, OWOSSO, MI 48867-3036 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 03, 2023 | Warranty Deed, Transfer · Conventional Mortgage MORTGAGE 1 INC |
| Jul 26, 2023 | Warranty Deed, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 03, 2023 · Amount on Record |
| Deed Sale | Nov 03, 2023 · Amount on Record |
| Deed Document Number | 20233376156 |
| Deed Book / Page | 1311 / 989 |
| Prior Transfer Date | Aug 26, 2014 |
| Prior Transfer Doc | 0012030287 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | SHIAWASSEE MI |
| Recording Date | Nov 03, 2023 |
| Property Address | 520 E MASON ST, OWOSSO, MI 48867-3036 |
| Document Number | 0013110989 |
| Book / Page | 1311 / 989 |
| Map Reference | LB 1 PG 52 |
| Instrument Date | Oct 31, 2023 |
| Instrument | 3376156 |
| Transaction Type | Transfer |
| Record Updated | Nov 22, 2023 |
| Title Company | ATA NATIONAL TITLE GROUP LLC |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $637.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 520 E MASON ST, OWOSSO, MI 48867-3036 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 3100 TYRELL RD, OWOSSO, MI 48867-9251 |
| Document Number | 0003376157 |
|---|---|
| Date | Nov 03, 2023 |
| Instrument | 3376157 |
| Name | MORTGAGE 1 INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 01, 2053 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | SHIAWASSEE MI |
| Recording Date | Jul 26, 2023 |
| Property Address | 520 E MASON ST, OWOSSO, MI 48867-3036 |
| Document Number | 0013090169 |
| Book / Page | 1309 / 169 |
| Map Reference | LB 1 PG 52 |
| Instrument Date | Jul 25, 2023 |
| Instrument | 3373317 |
| Transaction Type | Transfer |
| Record Updated | Aug 15, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 211 N WASHINGTON ST, OWOSSO, MI 48867-2820 |
| Name | Verified Name |
|---|---|
| Address | 920 E MASON ST, OWOSSO, MI 48867-3259 |
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 | $70,900 (+11.65%) | $141,800 (+11.65%) | |
| 2025 | $2,342.00 (+3.22%) Homeowner's exemption | $63,500 (+38.34%) | $127,000 (+38.34%) |
| 2024 | $2,269.00 | ||
| 2023 | $2,269.00 Homeowner's exemption Additional exemption filed | $45,900 | $91,800 |
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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