Waukesha County property record for 603 E Roberta Ave, Waukesha, WI 53186
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,628 sqft · built 1963 |
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,156 (2025) |
| Deeds & Mortgages | Jan 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | WAKC-1339-070 |
| Primary APN | WAKC-1339-070 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,628 sqft Living Area |
| Gross Area | 3,718 sqft |
| 1st Floor Area | 1,628 sqft |
| Basement Area | 1,628 sqft |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | No Foundation |
| Roof Material | Asphalt |
| Lot Area | 12,197 sqft (0.28 acres) |
| Lot Dimensions | 120 ft deep x 103 ft wide |
| View / Lot | Highway |
| Garage Type | Attached |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Covered Porch |
| Porch Area | 65 sqft |
| Patio Area | 252 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 603 E ROBERTA AVE |
|---|---|
| City | WAUKESHA |
| State | WI |
| Zip | 53186-6709 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS-3 |
| Legal Description | SEC SW11 T6N R19E SEITZ ESTATES SUB NO 2 BLK 8 LOT 1 R2730/961 |
| Legal Subdivision | SW11 T6N R19E SEITZ ESTATE |
| Legal Block | 8 |
| Legal Lot Number | 1 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | WAUKESHA |
| Census Block Group | 3 |
| Census Block | 3038 |
| Census Tract | 202400 |
603 E Roberta Ave is owned and occupied by two individuals.
Source: Waukesha County records, as of June 23, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 603 E ROBERTA AVE, WAUKESHA, WI 53186-6709 |
| 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 | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Property Address | 603 E ROBERTA AVE, WAUKESHA, WI 53186-6709 |
| Transaction Type | Mortgage |
| Record Updated | Feb 2, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0004644634 |
|---|---|
| Date | Jan 7, 2022 |
| Instrument | 4644634 |
| Name | EDUCATORS CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 420 Months |
| Due | Jan 6, 2057 |
| Rate Type | Fixed Rate |
|---|
The 2025 property tax bill for 603 E Roberta Ave was $5,156.
Source: Waukesha County assessment roll, as of June 23, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Waukesha County |
| Municipality | Waukesha City |
| Unified School District | Waukesha School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,156.00 | $385,700 Land $75,100 Building $310,600 | $395,874 |
| 2023 | $4,960.00 Homeowner's exemption | $343,400 Land $75,100 Building $268,300 | $355,523 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 603 E Roberta Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 19, 2025
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 603 E Roberta Ave 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 | 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 | WAUKESHA WATER UTILITY serves 70,718 people · EPA ID WI2680238 |
|---|---|
| Water Source | Purchased surface water from MILWAUKEE WATERWORKS |
| Last State Inspection | Oct 2024 |
| Lead | Under 1 ppb (2024) action level 15 ppb |
| Water Quality | Radium resolved · Oct 2023 Gross alpha radiation resolved · Apr 2023 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 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.
Source: FCC Broadband Data Collection, based on 302 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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