Waukesha County property record for 4770 S Forest Ave, New Berlin, WI 53151
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 3,818 sqft · built 1993 |
| Lot Size | 0.47 acres (20,473 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $347,600 (Jul 2002) |
| Tax Bill | $8,039 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | NBC-1253-021 |
| Primary APN | NBC-1253-021 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 2 Half Baths |
| Plumbing Fixtures | 14 Plumbing Fixtures |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,818 sqft Living Area |
| 1st Floor Area | 1,954 sqft |
| Basement Area | 1,222 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1993 |
| Architectural Style | Custom Design |
| Exterior Material | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 20,473 sqft (0.47 acres) |
| Lot Dimensions | 185 ft deep x 112 ft wide |
| Garage Type | Attached |
| Garage Area | 624 sqft |
| Porch | Open/Unfinished Porch |
| Porch Area | 80 sqft |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4770 S FOREST AVE |
|---|---|
| City | NEW BERLIN |
| State | WI |
| Zip | 53151-7400 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R4 |
| Legal Description | LOT 21 NORTH OAK ESTATES PT NE1/4 OF NE1/4 SEC 26 T6N R20E |
| Legal Range | 20E |
| Legal Township | 6N |
| Legal Section | 26 |
| Legal Subdivision | NORTH OAK ESTATES |
| Legal Lot Number | 21 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | NEW BERLIN |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 201506 |
4770 S Forest Ave is owner-occupied and held in a trust since June 2024.
Source: Waukesha County records, as of June 23, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 4770 S FOREST AVE, NEW BERLIN, WI 53151-7400 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
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 |
|---|---|
| Last Sale | Jul 24, 2002 · Amount on File |
| Deed Sale | Jul 24, 2002 · Amount on File |
| Deed Document Number | 20022824342 |
| Last Transfer Date | Jun 27, 2024 |
| Transfer Doc | 0004782638 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4770 S Forest Ave was $8,039.
Source: Waukesha County assessment roll, as of June 23, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Waukesha County |
| Municipality | New Berlin City |
| Unified School District | New Berlin School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,039.00 | $652,200 Land $135,100 Building $517,100 | $736,300 |
| 2023 | $6,983.00 Homeowner's exemption | $468,500 Land $100,500 Building $368,000 | $542,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4770 S Forest Ave in Zone X, an area of minimal flood risk.
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 7 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.
The area around 4770 S Forest Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | NEW BERLIN WATER UTILITY serves 27,899 people · EPA ID WI2680217 |
|---|---|
| Water Source | Purchased surface water from MILWAUKEE WATERWORKS |
| Last State Inspection | Sep 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 | None 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 224 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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