Dane County property record for 325 William St, Mazomanie, WI 53560
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.255 acres (11,151 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $6,576 (2025) |
| Deeds & Mortgages | Jul 2023 Line of Credit Sep 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0806-093-1312-2 |
| Primary APN | 0806-093-1312-2 |
|---|
| Lot Area | 11,151 sqft (0.255 acres) |
|---|
| Street Address | 325 WILLIAM ST |
|---|---|
| City | MAZOMANIE |
| State | WI |
| Zip | 53560-9631 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 2 CSM 8785 CS48/283&284-1/7/98 F/K/A LOTS 4, 5, 6 & 7 BL OCK 4 UNIVERSITY A DDN TO VIL OF MAZOMANIE DESCR AS SEC 9-8-6 |
| Legal Range | 06 |
| Legal Township | 08 |
| Legal Section | 09 |
| Legal Subdivision | CERTIFIED SURV MAP 8785 |
| Legal Block | 13 |
| Legal Lot Number | 2 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MAZOMANIE |
| Census Block Group | 1 |
| Census Block | 1031 |
| Census Tract | 13100 |
Source: Dane County records, as of January 22, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Co-owner | Co-owner on Record |
| Mailing Address | 325 WILLIAM ST, MAZOMANIE, WI 53560-9631 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jul 24, 2023 | Deed of Trust, Mortgage · Line of Credit SUMMIT CU |
| Sep 16, 2020 | Deed of Trust, Mortgage · Conventional Mortgage SUMMIT CU |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 325 WILLIAM ST, MAZOMANIE, WI 53560-9631 |
| Transaction Type | Mortgage |
| Record Updated | Aug 16, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0005914400 |
|---|---|
| Date | Jul 24, 2023 |
| Instrument | 5914400 |
| Name | SUMMIT CU |
|---|---|
| Type | Credit Union |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 23, 2053 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 325 WILLIAM ST, MAZOMANIE, WI 53560-9631 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0005637266 |
|---|---|
| Date | Sep 16, 2020 |
| Instrument | 5637266 |
| Name | SUMMIT CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Oct 1, 2035 |
| Rate Type | Fixed Rate |
|---|
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 | $6,576.00 (+19.11%) Homeowner's exemption | $337,300 (+6.84%) Land $49,000 Building $288,300 | $424,100 (+24.99%) |
| 2023 | $315,700 Land $49,000 Building $266,700 | $339,300 | |
| 2022 | $5,521.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 Record 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.
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 | 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 | 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 256 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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