Green County property record for 603 20th Ave, Monroe, WI 53566
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.178 acres (7,797 sqft) |
| Owner | Individual Name on File |
| Last Sale | $175,000 (Apr 2010) |
| Tax Bill | $4,855 (2025) |
| Deeds & Mortgages | Jul 2023 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 23-251-1922.0000 |
| Primary APN | 23-251-1922.0000 |
|---|---|
| Alternative APN |
|
| Lot Area | 7,797 sqft (0.178 acres) |
|---|
| Old Parcel Number | 2511922 |
|---|---|
| Street Address | 603 20TH AVE |
| City | MONROE |
| State | WI |
| Zip | 53566-1561 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TALLMAN'S II BLOCK 18LOT 1 |
| Legal Township | 51N |
| Legal Section | 34 |
| Legal Subdivision | TALLMAN'S II |
| Legal Block | 18 |
| Legal Lot Number | 1 |
| Jurisdiction | GREEN WI |
| Township / Civil Division | MONROE |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 960400 |
603 20th Ave is owned by an individual who bought it in April 2010.
Source: Green County records, as of February 16, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | N2657 SHORT LN, MONROE, WI 53566-8550 |
| 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 | Apr 6, 2010 · Amount on File |
| Deed Sale | Apr 6, 2010 · Amount on File |
| Prior Sale | Dec 29, 2006 |
| Deed Document Number | 524172 |
| Deed Book / Page | 1121 / 0961 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREEN WI |
| Property Address | 603 20TH AVE, MONROE, WI 53566-1561 |
| Transaction Type | Mortgage |
| Record Updated | Aug 7, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0000624730 |
|---|---|
| Date | Jul 18, 2023 |
| Instrument | 624730 |
| Name | THE BANK OF NEW GLARUS |
|---|---|
| Type | Bank |
| Address | NEW GLARUS, WI 53574 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 603 20th Ave was $4,855.
Source: Green County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Green County |
| Municipality | Monroe City |
| Unified School District | Monroe School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,855.00 | $285,400 Land $19,500 Building $265,900 | $287,709 Land $19,658 Building $268,051 |
| 2023 | $3,503.00 (+8.92%) | $187,500 (+53.31%) Land $19,500 Building $168,000 | $187,667 (+43.15%) Land $19,517 Building $168,150 |
| 2022 | $3,216.00 | $122,300 Land $9,300 Building $113,000 | $131,099 Land $9,969 Building $121,130 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 603 20th Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective July 1, 2020
| 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 603 20th 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 | MONROE WATERWORKS serves 10,780 people · EPA ID WI1230078 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2025 |
| Lead | 5 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 441 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| TDS Telecom Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: LiteWire.
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