Washtenaw County property record for 415 Koch Ave, Ann Arbor, MI 48103
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,248 sqft · built 1937 |
| Lot Size | 0.136 acres (5,924 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $5,718 (2025) |
| Deeds & Mortgages | Dec 2025 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-09-29-334-012 |
| Primary APN | 09-09-29-334-012 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,248 sqft Living Area |
| Basement Area | 922 sqft |
| Unfinished Basement | 832 sqft |
| Year Built | Built 1937 |
|---|---|
| Effective Year Built | Effective 1937 |
| Lot Area | 5,924 sqft (0.136 acres) |
| Lot Dimensions | 74 ft deep x 80 ft wide |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 415 KOCH AVE |
|---|---|
| City | ANN ARBOR |
| State | MI |
| Zip | 48103-5423 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R4B |
| Legal Description | LOTS 9 AND 10 PLAT OF GEORGE P WHALEYS SUBD |
| Legal Range | 06E |
| Legal Township | 02S |
| Legal Section | 29 |
| Legal Subdivision | GEORGE P WHALEYS |
| Legal Block | 334 |
| Legal Lot Number | 9-10 |
| Jurisdiction | WASHTENAW MI |
| Township / Civil Division | ANN ARBOR |
| Census Block Group | 4 |
| Census Block | 4012 |
| 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.
415 Koch Ave is owner-occupied and held in a trust since December 2000.
Source: Washtenaw County records, as of August 17, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 415 KOCH AVE, ANN ARBOR, MI 48103-5423 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Last Sale | Dec 8, 2000 |
| Deed Sale | Dec 8, 2000 |
| Prior Transfer Date | Dec 5, 2000 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WASHTENAW MI |
| Recording Date | Dec 22, 2025 |
| Property Address | 415 KOCH AVE, ANN ARBOR, MI 48103-5423 |
| Document Number | 0006780408 |
| Book / Page | 5613 / 398 |
| Map Reference | LB 4 PG 4 |
| Instrument Date | Dec 22, 2025 |
| Instrument | 6780408 |
| Transaction Type | Transfer |
| Record Updated | Jan 14, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 415 KOCH AVE, ANN ARBOR, MI 48103-5423 |
| Name | Verified Name |
|---|---|
| Address | 415 KOCH AVE, ANN ARBOR, MI 48103-5423 |
The 2025 property tax bill for 415 Koch Ave was $5,718 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 | $297,500 (+3.12%) | $595,000 (+3.12%) | |
| 2025 | $5,718.00 Homeowner's exemption | $288,500 | $577,000 |
| 2023 | $5,141.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 415 Koch Ave 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 |
| Community Rating System | Class 6 (20% premium discount) |
| 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.
Wildfire risk around 415 Koch Ave 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 | None beyond 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 652 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
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