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555 E William St, Apt 21F, Ann Arbor, MI 48104 Property Records

Washtenaw County property record for 555 E William St, Apt 21F, Ann Arbor, MI 48104

Property Summary

Property TypeCondominium
Details1 bd · 1 ba · 430 sqft · built 1969
Lot Size0.014 acres (621 sqft)
Owner2 Individual Names on File
Last Sale$240,000 (Feb 2025)
Tax Bill$6,201 (2025)
Deeds & MortgagesNov 2021 Sale
Flood ZoneZone X (minimal risk)
APN09-09-29-401-252

Property Details

APN / Parcel Number

Primary APN09-09-29-401-252
Alternative APN
  • 0929401252

Interior

Bedrooms1 Bed
Full Baths1 Bath
Units302 Units
Building Area430 sqft Living Area

Exterior

Year BuiltBuilt 1969
Effective Year BuiltEffective 1969
Architectural StyleCondo/Apartment
Lot Area621 sqft

Utilities, Heating & Cooling

Heating SystemHot Water

Location & Zoning

Street Address555 E WILLIAM ST, 21F
CityANN ARBOR
StateMI
Zip48104-2427
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Local Zoning CodeD1
Legal DescriptionUNIT 233 TOWER PLAZA CONDO
Legal Range06E
Legal Township02S
Legal Section29
Legal SubdivisionTOWER PLAZA CONDOMINIUM
Legal Block401
Legal Unit233
JurisdictionWASHTENAW MI
Township / Civil DivisionANN ARBOR
Census Block Group2
Census Block2004
Census Tract400100

Owner

555 E William St, Apt 21F is owned and occupied by two individuals who bought it in February 2025.

Source: Washtenaw County records, as of August 17, 2026

Owner of Record2 Individual Names on File
Mailing Address555 E WILLIAM ST, 21F, ANN ARBOR, MI 48104-2427
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 28, 2025 · Amount on File
Deed SaleFeb 28, 2025 · Amount on File
Prior SaleNov 1, 2021 · Amount on File
Deed Document Number20256747604
Deed Book / Page5580 / 617
Record UpdatedSep 20, 2026

November 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionWASHTENAW MI
Recording DateNov 1, 2021
Property Address555 E WILLIAM ST APT 21F, 21F, ANN ARBOR, MI 48104-2427
Document Number0006620576
Book / Page5453 / 773
Map ReferenceLB 2094 PG 56
Instrument DateOct 26, 2021
Instrument6620576
Transaction TypeTransfer
Record UpdatedNov 11, 2021
Title CompanyPREFERRED TITLE AGENCY/ANN ARBOR, PREFERRED TTL AGCY OF ANN AB

Transaction

AmountAmount on Record
Tax$1,771.50
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address421 14TH ST, SANTA MONICA, CA 90402-2131

Tax Assessment & Valuation

The 2025 property tax bill for 555 E William St, Apt 21F was $6,201 with a homeowner's exemption.

Source: Washtenaw County assessment roll, as of August 17, 2026

Property Jurisdictions

TypeName
StateMichigan
MunicipalityAnn Arbor City
CountyWashtenaw County
Unified School DistrictAnn Arbor Public Schools (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$123,800$247,600
2025$6,201.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 555 E William St, Apt 21F in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 21, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 555 E William St, Apt 21F 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 RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemANN ARBOR
serves 123,851 people · EPA ID MI0000220
Water SourceSurface water
Last State InspectionOct 2025
Lead2 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 373 locations within half a mile, as of December 31, 2025

ProviderMax 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

May also be available: 123.NET.

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