Washtenaw County property record for 509 4th St, Ann Arbor, MI 48103
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 2,646 sqft · built 1880 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $675,000 (Sep 2015) |
| Tax Bill | $18,183 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-09-29-319-014 |
| Primary APN | 09-09-29-319-014 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,646 sqft Living Area |
| Basement Area | 1,257 sqft |
| Unfinished Basement | 1,257 sqft |
| Year Built | Built 1880 |
|---|---|
| Effective Year Built | Effective 1880 |
| Lot Area | 8,712 sqft (0.2 acres) |
| Lot Dimensions | 132 ft deep x 66 ft wide |
| Garage Area | 486 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 509 4TH ST |
|---|---|
| City | ANN ARBOR |
| State | MI |
| Zip | 48103-4817 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2A |
| Legal Description | LOT 2 B5S R2W WILLIAM S MAYNARDS ADDITION |
| Legal Range | 06E |
| Legal Township | 02S |
| Legal Section | 29 |
| Legal Subdivision | WILLIAM S MAYNARDS ADD |
| Legal Block | 319 |
| Legal Lot Number | 2 |
| Jurisdiction | WASHTENAW MI |
| Township / Civil Division | ANN ARBOR |
| Census Block Group | 5 |
| Census Block | 5015 |
| 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.
509 4th St is owned and occupied by two individuals who bought it in September 2015.
Source: Washtenaw County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 509 4TH ST, ANN ARBOR, MI 48103-4817 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Sep 4, 2015 · Amount on File |
| Deed Sale | Sep 4, 2015 · Amount on File |
| Deed Document Number | 20156280373 |
| Deed Book / Page | 5113 / 786 |
| Prior Transfer Date | Jun 8, 2004 |
| Prior Transfer Doc | 0005569852 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WASHTENAW MI |
| Property Address | 509 4TH ST, ANN ARBOR, MI 48103-4817 |
| Transaction Type | Mortgage |
| Record Updated | Jul 6, 2021 |
| Title Company | TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| Name | Verified Name |
|---|
| Document Number | 0006597028 |
|---|---|
| Date | Jun 18, 2021 |
| Book Page | 5430/209 |
| Instrument | 6597028 |
| Name | WINTRUST MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | AURORA, CO 80018 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Jul 1, 2041 |
The 2025 property tax bill for 509 4th St was $18,183 with a homeowner's exemption.
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 | $424,900 | $849,800 | |
| 2025 | $18,183.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 509 4th St in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File 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.
Wildfire risk around 509 4th St is low, with less than a 0.01% annual chance of wildfire.
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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