St. Clair County property record for 621 N 4th St, Saint Clair, MI 48079
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,676 sqft · built 1950 |
| Lot Size | 0.222 acres (9,670 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,024 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 74-07-470-0019-000 |
| Primary APN | 74-07-470-0019-000 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 2 Stories |
| Building Area | 2,676 sqft Living Area |
| 1st Floor Area | 1,338 sqft |
| Basement Area | 1,338 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 9,670 sqft (0.222 acres) |
| Lot Dimensions | 93 ft deep x 104 ft wide |
| Garage Area | 572 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 621 N 4TH ST |
|---|---|
| City | SAINT CLAIR |
| State | MI |
| Zip | 48079-4817 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-1A MED D |
| Legal Description | LOTS 9 & 10 BLK 2 LIEBERMANN & BAIRD ADDT TO THE CITY OF ST CLAIR |
| Legal Subdivision | LIEBERMANN & BAIRD ADD |
| Legal Block | 2 |
| Legal Lot Number | 9-10 |
| Jurisdiction | SAINT CLAIR MI |
| Township / Civil Division | ST. CLAIR |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 642000 |
621 N 4th St is owned and occupied by an individual.
Source: St. Clair County records, as of September 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 621 N 4TH ST, SAINT CLAIR, MI 48079-4817 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 621 N 4th St was $3,024 with a homeowner's exemption, up 2.8% from the year before.
Source: St. Clair County assessment roll, as of September 17, 2026
| Type | Name |
|---|---|
| State | Michigan |
| County | St. Clair County |
| Municipality | St. Clair City |
| Unified School District | East China School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $144,500 (-1.3%) | $289,000 | |
| 2025 | $3,024.00 (+2.79%) Homeowner's exemption | $146,400 | |
| 2024 | $2,942.00 | $292,800 | |
| 2023 | $109,900 | ||
| 2022 | $2,734.00 | $219,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 621 N 4th St in Zone X, an area of minimal flood risk.
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
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 621 N 4th St 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 ST. CLAIR serves 5,464 people · EPA ID MI0006270 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2026 |
| Lead | 2 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| Monitoring and Reporting | 4 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 434 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Duke Broadband.
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