Listed by Mikel Kollmansberger • Shorewest Realtors, Inc. (PropertyInfo@shorewest.com) Bought with Powers Realty Group.
Sold on jun 2026
$607,500
3
bd
•
2 ba
•
1,939
sq ft
17000 W Observatory Rd, New Berlin, WI 53151
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About this home
Public Remarks: A little slice of heaven in the heart of New Berlin! Set on a beautiful 2.51 acre lot, this ranch home has been lovingly maintained and is move in ready. Enter into the spacious living room with picture window that opens to the kitchen and dining areas. Attached 3 season room overlooks the beautiful backyard with perennial gardens and mature trees. 3 nice sized bedrooms on main level. The lower level offers a rec room with fireplace and 2nd full bath, plenty of storage, and potential for future expansion. Outside, you can relax in the shade in the gazebo or soak up the sun in the inground pool. There is bonus storage under the sun room. The additional detached garage with separate driveway offers plenty of storage space for vehicles and a workshop area. Welcome home!
Single-familyProperty Type
1958Year Built
2.51 acresLot Size
$313Price/Sq.Ft.
5 car garageParking
Listed by Mikel Kollmansberger• Shorewest Realtors, Inc.
Contact: PropertyInfo@shorewest.com
Bought with Suzanne Powers Realty Group*• Powers Realty Group
Est. $2,921 per month, based on comparable rentals
Sale and tax history for 17000 W Observatory Rd
Sale History
Tax History
Date
Event
Price
MetroMLS as distributed by WIREX #1963502
Jun 18, 2026
Sold
$607,500
$313/sq ft
May 24, 2026
Contingent
—
May 22, 2026
Listed
$599,000
$309/sq ft
Public Records
May 1, 1990
Sold
$123,500
$64/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$4,695 (+6.5%)
$141,900 + $240,100
$382,000
2024
$4,410 (+7.6%)
$141,900 + $240,100
$382,000
2023
$4,099 (−2.9%)
$74,200 + $202,800
$277,000
2022
$4,223 (+5.8%)
$74,200 + $202,800
$277,000
2021
$3,992 (−1.4%)
$74,200 + $202,800
$277,000
2020
$4,047 (−2.6%)
$74,200 + $202,800
$277,000
2019
$4,157 (−1.6%)
$74,200 + $202,800
$277,000
2018
$4,225 (−1.6%)
$74,200 + $202,800
$277,000
2017
$4,295 (−1.0%)
$65,300 + $188,400
$253,700
2016
$4,337 (+2.8%)
$65,300 + $188,400
$253,700
2014
$4,217 (−1.1%)
$61,300 + $172,700
$234,000
2013
$4,265
$61,300 + $172,700
$234,000
Public record
Public record
Zoning
Beds
3
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
2.51 Acres
Year renovated
1980
Sq. Ft.
1,623
Year built
1958
Style
Single Family Residential
County
Waukesha County
APN
NBC 1238978
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 21, 2026.
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.
Information Source Year Built: Assessor/Public Record
Land Information
Acreage: Over 2 Acres to 5 Acres
Lot Information
Lot Acreage: 2.51
Zoning: R3
Financial
Tax Information
Total Taxes: $4,695
Tax Year: 2025
Utilities
Utility Information
Municipal Sewer, Municipal Water, Well
Heating/Cooling: Forced Air
Natural Gas
Location
Neighborhood Information
Municipality: NEW BERLIN
Municipality Type: City
School Information
School District: New Berlin
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,623
Stories: 1.0
Lot Size: 2.51 acres
Style: Single Family Residential
Year Built: 1958
Year Renovated: 1980
County: Waukesha County
APN: NBC 1238978
Home facts updated by county records on Sep 21, 2026
Other
Listing Information
Inclusions: Oven/Range, Refrigerator, Washer, Dryer, China Cabinet
Exclusions: Generator
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
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.15% 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
83
65
78
61
74
56
65
46
47
34
33
20
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
99/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 5% for direct sun exposure in New Berlin. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
11.1 hrs
6.6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$586,000 – $710,000
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