St. Clair County property record for 4302 Gratiot Ave, Port Huron, MI 48060
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,572 sqft · built 1922 |
| Lot Size | 0.523 acres (22,782 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $9,586 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 74-06-574-0010-000 |
| Primary APN | 74-06-574-0010-000 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,572 sqft Living Area |
| 1st Floor Area | 1,454 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1922 |
| Lot Area | 22,782 sqft (0.523 acres) |
| Lot Dimensions | 455 ft deep x 50 ft wide |
| Garage Area | 560 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Hot Water |
|---|
| Street Address | 4302 GRATIOT AVE |
|---|---|
| City | PORT HURON |
| State | MI |
| Zip | 48060-8601 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | LOT 11 JOHN W. PORTER'S ADDITION TO GRATIOT BEACH |
| Legal Subdivision | JOHN W PORTERS ADD |
| Legal Lot Number | 11 |
| Legal Unit | 11 |
| Jurisdiction | SAINT CLAIR MI |
| Township / Civil Division | PORT HURON |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 629000 |
4302 Gratiot Ave is owner-occupied and held in a trust.
Source: St. Clair County records, as of September 17, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4302 GRATIOT AVE, PORT HURON, MI 48060-8601 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4302 Gratiot Ave was $9,586 with a homeowner's exemption, up 2.5% from the year before.
Source: St. Clair County assessment roll, as of September 17, 2026
| Type | Name |
|---|---|
| State | Michigan |
| County | St. Clair County |
| Municipality | Port Huron City |
| Unified School District | Port Huron Area School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $333,900 (-1.04%) | $667,800 | |
| 2025 | $9,586.00 (+2.54%) Homeowner's exemption | $337,400 | |
| 2024 | $9,349.00 | $674,800 | |
| 2023 | $295,100 | ||
| 2022 | $12,300.00 | $590,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4302 Gratiot Ave in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective July 20, 2022 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 1 (2021) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2021 · 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 4302 Gratiot 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 PORT HURON serves 28,983 people · EPA ID MI0005480 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2021 |
| Lead | 5 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 167 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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