17020 W Observatory Rd is a 1,561 square foot house on a 2.51 acre lot with 4 bedrooms and 1.5 bathrooms. - it last sold on August 19, 2013 for $172,000. Based on Redfin's New Berlin data, we estimate the home's value is $467,768.
Single-familyProperty Type
1941Year Built
2.51 acresLot Size
$300Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$467,768
$296K since sold in August 2013$6,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.3% higher than the average sale price ($457K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-3
Suburban Single-Family Residential District
The R-3 Suburban Single-Family Residential District is intended to provide for single-family residential development, at densities not to exceed two dwelling units per net acre. This district is further intended to be used for residentially platted lots already existing at the time of the adoption of this chapter and so identified for this density range on the adopted City Comprehensive Plan or component thereof. Suburban residential lots are typically served by private on-site sewage disposal systems and private wells.
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: 892
Basement Type: Full
Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1
Heating & Cooling
Heating Fuel Type: Oil
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Foundation Type: Continuous Footing
Building Style Type: Cape Cod
Exterior Wall: Aluminum/Vinyl
Roof Covering Type: Clay Tile
Roof Shape Type: Clay Tile
Building Improvement Type: Single Family
Property Information
Living Sq. Ft: 1,561
Ground Floor Sq. Ft: 892
Building Sq. Ft: 3,029
# of Stories: 1.5
Legal Description: PT NW.25 SEC 22 T6N R20E COM 1327.7 FT S OF NW COR,TH E 410 FT,TH E 179 FT,TH N 610 FT,TH W 179 FT,TH S 610 FT/BGN 2.51 R2370 I290 DOC #4037257 08/19/2013
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 576
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 109,336
Municipality Name: NEW BERLIN CITY
Acres: 2.51
Zoning Code: R3
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: 4
Baths: 1.5
Sq. Ft.: 1,561
Stories: 1.5
Lot Size: 2.51 acres
Style: Single Family Residential
Year Built: 1941
Year Renovated: 1975
County: Waukesha County
APN: NBC 1238977
Home facts updated by county records on Jun 15, 2026
Around this home
Schools
Ronald Reagan Elementary School
Public PreK-6 • Assigned • 0.3mi
6/10
New Berlin Middle/High School
Public 7-12 • Assigned • 1.6mi
9/10
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
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
1/10 Heat Factor
7 days above 100° 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
62
76
56
65
46
47
34
33
20
Jan
Feb
Mar
Apr
May
Jun
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Aug
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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
$445,000 – $538,000
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