Washtenaw County property record for 555 E William St, Apt 21D, Ann Arbor, MI 48104
| Property Type | Condominium |
|---|---|
| Details | 1 bd · 1 ba · 596 sqft · built 1969 |
| Lot Size | 0.01 acres (469 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $195,000 (Jul 2012) |
| Tax Bill | $6,174 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-09-29-401-250 |
| Primary APN | 09-09-29-401-250 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Units | 302 Units |
| Building Area | 596 sqft Living Area |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Condo/Apartment |
| Lot Area | 469 sqft |
| Heating System | Hot Water |
|---|
| Street Address | 555 E WILLIAM ST, 21D |
|---|---|
| City | ANN ARBOR |
| State | MI |
| Zip | 48104-2427 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | D1 |
| Legal Description | UNIT 231 TOWER PLAZA CONDO |
| Legal Range | 06E |
| Legal Township | 02S |
| Legal Section | 29 |
| Legal Subdivision | TOWER PLAZA CONDOMINIUM |
| Legal Block | 401 |
| Legal Unit | 231 |
| Jurisdiction | WASHTENAW MI |
| Township / Civil Division | ANN ARBOR |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 400100 |
555 E William St, Apt 21D is owned and occupied by two individuals who bought it in July 2012.
Source: Washtenaw County records, as of August 17, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 555 E WILLIAM ST, 21D, ANN ARBOR, MI 48104-2427 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 20, 2012 · Amount on File |
| Deed Sale | Jul 20, 2012 · Amount on File |
| Prior Sale | Sep 17, 2008 · Amount on File |
| Deed Document Number | 20126084728 |
| Deed Book / Page | 4918 / 224 |
| Prior Transfer Date | Jun 29, 2012 |
| Prior Transfer Doc | 0006084729 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 555 E William St, Apt 21D was $6,174 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 | $141,100 | $282,200 | |
| 2025 | $6,174.00 | ||
| 2023 | $119,200 | $238,400 | |
| 2022 | $4,444.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 555 E William St, Apt 21D in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 21, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 555 E William St, Apt 21D 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 | 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 373 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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