Dane County property record for 336 William St, Mazomanie, WI 53560
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.155 acres (6,795 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $4,862 (2025) |
| Deeds & Mortgages | Jan 2021 Mortgage Aug 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0806-093-1164-1 |
| Primary APN | 0806-093-1164-1 |
|---|
| Lot Area | 6,795 sqft (0.155 acres) |
|---|
| Street Address | 336 WILLIAM ST |
|---|---|
| City | MAZOMANIE |
| State | WI |
| Zip | 53560-9631 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 2 CSM 12050 CS74/153&155-1/19/2007 F/K/A LOT 1 CSM 6478 CS31/292&293 R16342/ 73&74-7/19/91 F/K/A UNIVERSITY ADDITION |
| Legal Range | 06 |
| Legal Township | 08 |
| Legal Section | 09 |
| Legal Subdivision | F/K/A UNIVERSITY ADDITION |
| Legal Block | 3 |
| Legal Lot Number | 1,10,2 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MAZOMANIE |
| Census Block Group | 1 |
| Census Block | 1030 |
| Census Tract | 13100 |
336 William St is owned and occupied by an individual who acquired it in December 2009.
Source: Dane County records, as of January 22, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 336 WILLIAM ST, MAZOMANIE, WI 53560-9631 |
| 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.
| Date | Document |
|---|---|
| Jan 22, 2021 | Deed of Trust, Mortgage · Conventional Mortgage PEOPLES COMMUNITY BANK |
| Aug 13, 2020 | Deed of Trust, Mortgage · Conventional Mortgage PEOPLES COMMUNITY BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 7, 2009 |
| Deed Sale | Dec 7, 2009 |
| Prior Sale | Jan 10, 2008 · Amount on File |
| Deed Document Number | 4617069 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 336 WILLIAM ST, MAZOMANIE, WI 53560-9631 |
| Transaction Type | Mortgage |
| Record Updated | Feb 10, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0005686991 |
|---|---|
| Date | Jan 22, 2021 |
| Instrument | 5686991 |
| Name | PEOPLES COMMUNITY BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 1, 2051 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 336 WILLIAM ST, MAZOMANIE, WI 53560-9631 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0005624897 |
|---|---|
| Date | Aug 13, 2020 |
| Instrument | 5624897 |
| Name | PEOPLES COMMUNITY BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Sep 1, 2035 |
| Rate Type | Fixed Rate |
|---|
The 2025 property tax bill for 336 William St was $4,862 with a homeowner's exemption.
Source: Dane County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Dane County |
| Municipality | Mazomanie Village |
| Unified School District | Wisconsin Heights School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,862.00 Homeowner's exemption | $253,700 Land $29,000 Building $224,700 | $319,000 |
| 2023 | $253,700 Land $29,000 Building $224,700 | $272,700 | |
| 2022 | $4,351.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 336 William St in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 20, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 16 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 16 in force |
| Nearby Flood Claims | 11 (1993–2018) |
| Claims Outside the SFHA | 2 of 11 |
| Most Recent Claim | Aug 2018 · Severe Storms, Tornadoes, Straight-line Winds, Flooding, And Landslides |
| 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 336 William St 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 | MAZOMANIE WATERWORKS serves 1,744 people · EPA ID WI1130239 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2024 |
| Lead | Under 1 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 46 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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