4255 S Sunny Slope Rd is a 2,323 square foot house on a 5.69 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's New Berlin data, we estimate the home's value is $786,330.
Single-familyProperty Type
2007Year Built
5.69 acresLot Size
$338Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$786,330
$22K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 30.1% higher than the average sale price ($604K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$8,029 (+6.3%)
$172,000 + $479,300
$651,300
2024
$7,555 (+12.0%)
$172,000 + $479,300
$651,300
2023
$6,745 (−3.2%)
$85,600 + $367,100
$452,700
2022
$6,969 (+5.6%)
$85,600 + $367,100
$452,700
2021
$6,596 (−0.9%)
$85,600 + $367,100
$452,700
2020
$6,656 (−3.0%)
$85,600 + $367,100
$452,700
2019
$6,862 (−1.5%)
$85,600 + $367,100
$452,700
2018
$6,968 (+2.7%)
$85,600 + $367,100
$452,700
2017
$6,782 (−1.1%)
$75,200 + $323,400
$398,600
2016
$6,855 (−1.1%)
$75,200 + $323,400
$398,600
2014
$6,931 (−2.1%)
$72,100 + $309,300
$381,400
2013
$7,077
$72,100 + $309,300
$381,400
Tax history for 4255 S Sunny Slope Rd
Year
Property tax
Land + Additions
Assessment*
2025
$8,029 (+6.3%)
$172,000 + $479,300
$651,300
2024
$7,555 (+12.0%)
$172,000 + $479,300
$651,300
2023
$6,745 (−3.2%)
$85,600 + $367,100
$452,700
2022
$6,969 (+5.6%)
$85,600 + $367,100
$452,700
2021
$6,596 (−0.9%)
$85,600 + $367,100
$452,700
2020
$6,656 (−3.0%)
$85,600 + $367,100
$452,700
2019
$6,862 (−1.5%)
$85,600 + $367,100
$452,700
2018
$6,968 (+2.7%)
$85,600 + $367,100
$452,700
2017
$6,782 (−1.1%)
$75,200 + $323,400
$398,600
2016
$6,855 (−1.1%)
$75,200 + $323,400
$398,600
2014
$6,931 (−2.1%)
$72,100 + $309,300
$381,400
2013
$7,077
$72,100 + $309,300
$381,400
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-4.5
PUD
Medium-Density Single-Family Residential District
The R-4.5 Medium-Density Single-Family Residential District is intended to provide for single-family residential development, at a density not to exceed 2.9 dwelling units per net residential acre, served by public sanitary sewer and water facilities.
Zone overlays
Planned Unit Development Overlay District
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Other
Fire house
Police station
Property details
Interior
Basement Information
Basement Sq. Ft: 2,323
Basement Type: Full
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Forced Air
Fireplace Information
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: Ranch
Exterior Wall: Wood
Property Information
Living Sq. Ft: 2,323
Ground Floor Sq. Ft: 2,323
Building Sq. Ft: 4,646
# of Stories: 1
Legal Description: LOT 2 CSM #10264 VOL 97/71 REC AS DOC #3414954 BEING A REDIV PT NW1/4 OF NW1/4 SEC 23 T6N R20E
Parking & Garage Information
Parking Type: Attached Garage
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 247,856
Legal Lot Number: 2
Municipality Name: NEW BERLIN CITY
Acres: 5.69
Zoning Code: R4.5
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Public
Water Service Type: Public
Utility Type: Public
Financial
Assessor Information
Assessment Year: 2025
Tax District County: NEW BERLIN CITY
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,323
Stories: 1.0
Lot Size: 5.69 acres
Style: Single Family Residential
Year Built: 2007
Year Renovated: —
County: Waukesha County
APN: NBC 1241989002
Home facts updated by county records on Jun 15, 2026
Around this home
Schools
Elmwood Elementary School
Public PreK-6 • Assigned • 2.2mi
9/10
Eisenhower Middle/High School
Public 7-12 • Assigned • 0.2mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
1/10 Heat Factor
7 days above 99° expected this year, 13 days in 30 years
2/10 Wind Factor
Minor risk of severe winds over next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
New Berlin, WI • 53151
Average low and high temperatures (°F)
26
12
34
18
50
30
58
39
66
46
78
59
81
64
78
61
76
56
65
46
47
34
33
20
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10 hours in
June and 3.4 hours in December, placing it below the
U.S. average for solar exposure.
10 hrs
3.4 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$748,000 – $905,000
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