Green County property record for 581 Sunset Ave, Monticello, WI 53570
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.55 acres (23,958 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $5,939 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 23-151-380.4010 |
| Primary APN | 23-151-380.4010 |
|---|
| Lot Area | 23,958 sqft (0.55 acres) |
|---|
| Street Address | 581 SUNSET AVE |
|---|---|
| City | MONTICELLO |
| State | WI |
| Zip | 53570-9439 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | CSM 4978 (22-285) LOT 1 |
| Legal Range | 08E |
| Legal Township | 03N |
| Legal Section | 07 |
| Legal Lot Number | 1 |
| Jurisdiction | GREEN WI |
| Township / Civil Division | MONTICELLO |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 960100 |
581 Sunset Ave is owned and occupied by an individual.
Source: Green County records, as of February 16, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 581 SUNSET AVE, MONTICELLO, WI 53570-9439 |
| Occupancy | Owner Occupied |
| 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 |
|---|---|
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 581 Sunset Ave was $5,939 with a homeowner's exemption.
Source: Green County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Green County |
| Municipality | Monticello Village |
| Unified School District | Monticello School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,939.00 Homeowner's exemption | $477,600 Land $74,600 Building $403,000 | $755,406 Land $117,993 Building $637,413 |
| 2023 | $5,844.00 (-6.54%) Homeowner's exemption | $271,600 (-) Land $31,700 Building $239,900 | $412,370 (+45.24%) Land $48,130 Building $364,240 |
| 2022 | $6,253.00 Homeowner's exemption | $271,600 Land $31,700 Building $239,900 | $283,926 Land $33,139 Building $250,787 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 581 Sunset Ave in Zone X, an area of minimal flood risk, though there have been 15 flood claims nearby since 1990.
Source: FEMA National Flood Hazard Layer, effective July 1, 2020 · 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 |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 15 (1990–2024) |
| Claims Outside the SFHA | 1 of 15 |
| Most Recent Claim | Jul 2024 · river or lake flooding |
| Claims by Event |
|
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 581 Sunset Ave is low, with 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 80% of the US · above 57% of Wisconsin |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | MONTICELLO WATERWORKS serves 1,217 people · EPA ID WI1230083 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2024 |
| Lead | Under 1 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 18 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 1,000 / 1,000 |
| Spectrum Cable | 1,000 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| LiteWire Fixed Wireless | 100 / 25 |
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