Wayne County property record for 20439 Mack Ave, Grosse Pointe Woods, MI 48236
| Property Type | Office Building |
|---|---|
| Details | 3,000 sqft · built 1948 |
| Lot Size | 0.14 acres (6,098 sqft) |
| Owner | Company Name on File |
| Last Sale | $440,000 (Apr 2026) |
| Tax Bill | $12,397 (2025) |
| Deeds & Mortgages | Apr 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 007 03 0031 000 |
| Primary APN | 007 03 0031 000 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 3,000 sqft Total Area |
| 1st Floor Area | 2,969 sqft |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 6,098 sqft (0.14 acres) |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 20439 MACK AVE |
|---|---|
| City | GROSSE POINTE WOODS |
| State | MI |
| Zip | 48236-1660 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Local Zoning Code | C |
| Legal Description | WDW31 WDW32 LOTS 31 AND 32 ARTHUR J SCULLYS EASTERN SUPER HIGHWAY SUB PC 183 393 577 611 L56 P75 76 WCR K 45.77 |
| Legal Subdivision | ARTHUR J SCULLYS EASTERN SUPER HWY |
| Legal Lot Number | 31-32 |
| Jurisdiction | WAYNE MI |
| Township / Civil Division | GROSSE POINTE WOODS |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 551200 |
20439 Mack Ave, a commercial property, is owned by a company that bought it in April 2026.
Source: Wayne County records, as of September 15, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 885 LAKE SHORE RD, GROSSE POINTE SHORES, MI 48236-1272 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
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 | Apr 9, 2026 · Amount on File |
| Deed Sale | Apr 9, 2026 · Amount on File |
| Deed Document Number | 2026151755 |
| Deed Book / Page | 60211 / 573 |
| Prior Transfer Date | Mar 13, 2002 |
| Prior Transfer Doc | 0000391594 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WAYNE MI |
| Recording Date | Apr 9, 2026 |
| Property Address | 20439 MACK AVE, GROSSE POINTE WOODS, MI 48236-1660 |
| Document Number | 0000151755 |
| Book / Page | 60211 / 573 |
| Instrument Date | Apr 6, 2026 |
| Instrument | 2026151755 |
| Transaction Type | Transfer |
| Record Updated | Jun 22, 2026 |
| Title Company | ATA NATIONAL TITLE |
| Amount | Amount on Record |
|---|---|
| Tax | $382,184.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Limited Liability Partnership |
| Address | 885 LAKE SHORE RD, GROSSE POINTE SHORES, MI 48236-1272 |
The 2025 property tax bill for 20439 Mack Ave was $12,397.
Source: Wayne County assessment roll, as of September 15, 2026
| Type | Name |
|---|---|
| State | Michigan |
| County | Wayne County |
| Municipality | Grosse Pointe Woods City |
| Unified School District | Grosse Pointe Public Schools (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $215,200 (+10.13%) | $430,400 (+10.13%) | |
| 2025 | $12,397.00 | $195,400 | $390,800 |
| 2023 | $11,404.00 | $192,400 (+0.37%) | $384,800 (+0.37%) |
| 2022 | $191,700 | $383,400 | |
| 2019 | $9,929.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 20439 Mack Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 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 20439 Mack Ave 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 | GROSSE POINTE WOODS serves 16,135 people · EPA ID MI0002920 |
|---|---|
| Water Source | Purchased surface water from GREAT LAKES WATER AUTHORITY |
| Last State Inspection | Jun 2024 |
| Lead | 11 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 403 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 |
| WOW Internet, Cable & Phone Cable | 1,200 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures