Waukesha County property record for 503 Roberts Dr, Mukwonago, WI 53149
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · built 1960 |
| Lot Size | 0.21 acres (9,148 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $2,945 (2025) |
| Deeds & Mortgages | Sep 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | MUKV-1963-078 |
| Primary APN | MUKV-1963-078 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| 1st Floor Area | 432 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 9,148 sqft (0.21 acres) |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 503 ROBERTS DR |
|---|---|
| City | MUKWONAGO |
| State | WI |
| Zip | 53149-1133 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 BLK 7 FIELD PARK SUB PT SW1/4 SEC 23 & NW1/4 SEC 26 T5N R18E R777/99 |
| Legal Range | 18E |
| Legal Township | 5N |
| Legal Section | 26 |
| Legal Subdivision | FIELD PARK SUB |
| Legal Block | 7 |
| Legal Lot Number | 1 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | MUKWONAGO |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 203901 |
Source: Waukesha County records, as of June 23, 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 |
|---|---|
| Mailing Address | 503 ROBERTS DR, MUKWONAGO, WI 53149-1133 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Property Address | 503 ROBERTS DR, MUKWONAGO, WI 53149-1133 |
| Document Number | 0004303104 |
| Instrument Date | Sep 28, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Nov 27, 2017 |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 503 ROBERTS DR MUKWONAGO WI 531491133, MUKWONAGO, WI 53149-1133 |
| Document Number | 0004303104 |
|---|---|
| Date | Oct 3, 2017 |
| Instrument | 4303104 |
| Name | SUMMIT CU |
|---|---|
| Address | MADISON, WI 53718 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 2, 2047 |
| Rate Type | Adjustable Rate |
|---|
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 | $2,945.00 (+25%) | $256,600 (+75.15%) Land $81,500 Building $175,100 | $271,700 (+30.94%) |
| 2023 | $2,356.00 Homeowner's exemption | $146,500 Land $40,500 Building $106,000 | $207,500 |
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 October 19, 2025 · 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 | 1 in force |
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 | 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 | 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 181 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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