Waukesha County property record for 850 Main St, Mukwonago, WI 53149
| Property Type | Commercial |
|---|---|
| Lot Size | 1.26 acres (54,886 sqft) |
| Owner | Company Name on File |
| Tax Bill | $7,017 (2025) |
| Deeds & Mortgages | Feb 2019 Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | MUKV-2009-001 |
| Primary APN | MUKV-2009-001 |
|---|
| 1st Floor Area | 432 sqft |
|---|
| Lot Area | 54,886 sqft |
|---|
| Street Address | 850 MAIN ST |
|---|---|
| City | MUKWONAGO |
| State | WI |
| Zip | 53149-1538 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | LOT 1 RIVER CREST CENTER PT NE1/4 SEC 35 T5N R18E |
| Legal Range | 18E |
| Legal Township | 5N |
| Legal Section | 35 |
| Legal Subdivision | RIVER CREST CENTER |
| Legal Lot Number | 1 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | MUKWONAGO |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 203901 |
850 Main St, a commercial property, is owned by a company.
Source: Waukesha County records, as of June 23, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1401 MAIN ST, UNION GROVE, WI 53182-1503 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Property Address | 850 MAIN ST, MUKWONAGO, WI 53149-1538 |
| Transaction Type | Mortgage |
| Record Updated | Apr 26, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0004381713 |
|---|---|
| Date | Feb 4, 2019 |
| Instrument | 4381713 |
| Name | COMMUNITY STATE BANK |
|---|---|
| Type | Bank |
| Address | UNION GROVE, WI 53182 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 850 Main St was $7,017.
Source: Waukesha County assessment roll, as of June 23, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Waukesha County |
| Municipality | Mukwonago Village |
| Unified School District | Mukwonago School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $7,017.00 | $575,100 Land $123,500 Building $451,600 | $608,900 |
| 2023 | $8,190.00 | $461,000 Land $117,500 Building $343,500 | $652,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 850 Main St in Zone AE, a high-risk flood area within the regulatory floodway; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 19, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 13 policies |
| Nearby Flood Policies | 13 in force |
| Nearby Flood Claims | 1 (2008) |
| Most Recent Claim | Jun 2008 · Severe Storms, Tornadoes, And Flooding |
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 850 Main St is low, with less than 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 98% of the US · lower than 94% of Wisconsin |
|---|---|
| Wildfire Likelihood | Under 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 | MUKWONAGO WATERWORKS serves 8,190 people · EPA ID WI2680209 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2024 |
| Lead | 3 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 221 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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