Shiawassee County property record for 523 Ada St, Owosso, MI 48867
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,373 sqft · built 1914 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $2,791 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 050-660-003-003-00 |
| Primary APN | 050-660-003-003-00 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,373 sqft Living Area |
| 1st Floor Area | 1,037 sqft |
| Basement Area | 714 sqft |
| Unfinished Basement | 714 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1914 |
|---|---|
| Effective Year Built | Effective 1914 |
| Architectural Style | Custom Design |
| Lot Area | 7,841 sqft (0.18 acres) |
| Lot Dimensions | 150 ft deep x 51 ft wide |
| Garage Area | 240 sqft |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 523 ADA ST |
|---|---|
| City | OWOSSO |
| State | MI |
| Zip | 48867-2201 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | COM 99' S OF N E COR OF LOT 1 BLK 3 AL & BO WILLIAMS ADD TH W 99' S 33' E 16.5' S 33' E 82.5' N 66' TO BEG AL & BO WILLIAMS A |
| Legal Subdivision | AL & BO WILLIAMS ADD |
| Legal Block | 3 |
| Legal Lot Number | 1 |
| Jurisdiction | SHIAWASSEE MI |
| Township / Civil Division | OWOSSO |
| Census Block Group | 2 |
| Census Block | 2018 |
| Census Tract | 30400 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Oliver Street Historic District listed 1980 · 114 contributing resources · NRIS 80001905 |
|---|
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 | Individual Name on Record |
|---|---|
| Mailing Address | 2317 RIVER DR, KING GEORGE, VA 22485-6054 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Feb 26, 2013 |
| Transfer Doc | 00118300022 |
| 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 | $75,900 (+9.68%) | $151,800 (+9.68%) | |
| 2025 | $2,791.00 (+5.88%) Homeowner's exemption | $69,200 (+23.79%) | $138,400 (+23.79%) |
| 2024 | $2,636.00 | ||
| 2023 | $2,636.00 Homeowner's exemption Additional exemption filed | $55,900 | $111,800 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 2 (1981–1995) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jul 1995 · 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 351 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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