Washtenaw County property record for 431 4th St, Ann Arbor, MI 48103
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 2,112 sqft · built 1870 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $14,743 (2025) |
| Deeds & Mortgages | Jan 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-09-29-312-003 |
| Primary APN | 09-09-29-312-003 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,112 sqft Living Area |
| Basement Area | 1,344 sqft |
| Unfinished Basement | 1,264 sqft |
| Year Built | Built 1870 |
|---|---|
| Effective Year Built | Effective 1870 |
| Lot Area | 8,712 sqft (0.2 acres) |
| Lot Dimensions | 132 ft deep x 66 ft wide |
| Garage Area | 320 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 431 4TH ST |
|---|---|
| City | ANN ARBOR |
| State | MI |
| Zip | 48103-4815 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R4C |
| Legal Description | LOT 6 B4S R2W WILLIAM S MAYNARDS ADDITION |
| Legal Range | 06E |
| Legal Township | 02S |
| Legal Section | 29 |
| Legal Subdivision | WILLIAM S MAYNARDS ADD |
| Legal Block | 312 |
| Legal Lot Number | 6 |
| Jurisdiction | WASHTENAW MI |
| Township / Civil Division | ANN ARBOR |
| Census Block Group | 5 |
| Census Block | 5005 |
| Census Tract | 400600 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Old West Side Historic District listed 1972 · 1,300 contributing resources · NRIS 72000661 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Washtenaw County records, as of August 17, 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 | 431 4TH ST, ANN ARBOR, MI 48103-4815 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | May 16, 2024 |
| Transfer Doc | 0006744219 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WASHTENAW MI |
| Property Address | 431 4TH ST, ANN ARBOR, MI 48103-4815 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0006567875 |
|---|---|
| Date | Jan 26, 2021 |
| Book Page | 5401/43 |
| Instrument | 6567875 |
| Name | HOME POINT FINANCIAL CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | PARSIPPANY, NJ 07054 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2051 |
Source: Washtenaw County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Michigan |
| Municipality | Ann Arbor City |
| County | Washtenaw County |
| Unified School District | Ann Arbor Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $387,800 | $775,600 | |
| 2025 | $14,743.00 |
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 May 21, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 14 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 22 units insured incl. 8 condo units |
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 | Low lower than 99.1% of the US · lower than 98.4% of Michigan |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | ANN ARBOR serves 123,851 people · EPA ID MI0000220 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Oct 2025 |
| Lead | 2 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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.
Source: FCC Broadband Data Collection, based on 718 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
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