Google street view image for 17310 W Observatory Rd, New Berlin, WI 53146

OFF MARKET

$333,745

•

1.5 ba

•

1,144

sq ft

17310 W Observatory Rd, New Berlin, WI 53146

About this home

17310 W Observatory Rd is a 1,144 square foot house on a 0.48 acre lot with 3 bedrooms and 1.5 bathrooms. Based on Redfin's New Berlin data, we estimate the home's value is $333,745.

Single-familyProperty Type

1958Year Built

0.48 acresLot Size

$292Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$333,745

$4,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 24.2% lower than the average sale price ($440K) of 6 comparable homes.

SOLD JUN 18, 2026
$400,000
A
3 beds1.5 baths1,323 sq ft
17321 W Observatory Rd, New Berlin, WI 53146
SOLD MAY 4, 2026
$365,000
B
3 beds1.5 baths1,416 sq ft
17085 W Salentine Dr, New Berlin, WI 53151
SOLD AUG 18, 2026
$570,000
C
3 beds2 baths2,070 sq ft
4450 S Hearthside Dr, New Berlin, WI 53151
SOLD AUG 5, 2026
$480,000
D
3 beds1.5 baths1,736 sq ft
18260 W Willow Rd, New Berlin, WI 53146
SOLD OCT 20, 2025
$400,000
E
3 beds1.5 baths1,382 sq ft
16675 W Harmony Ct, New Berlin, WI 53151
SOLD JUL 17, 2026
$426,500
F
3 beds2 baths2,044 sq ft
4585 S Harland Dr, New Berlin, WI 53151

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Earn from this home

Sell

$312,503

Est. take-home

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Rent

$2,113/mo

Redfin rental estimate

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Market trends in 53146, WI

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.0%

+0.6% MoM

Median sale price

$475K

$49K MoM

Avg. days on market

34d

5 days MoM

Recently sold homes

0 MoM

New listings for sale

$1,495,000
4 beds3.5 baths4,434 sq ft
2850 S Amor Dr, New Berlin, WI 53146
Lisa Reinecke • RE/MAX Lakeside-West
See all

Provided by Redfin

Sale history for 17310 W Observatory Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$3,207 (+6.7%)

$113,000 + $148,800

$261,800

2024

$3,006 (+2.1%)

$113,000 + $148,800

$261,800

2023

$2,945 (−2.7%)

$55,600 + $144,800

$200,400

2022

$3,025 (+5.9%)

$55,600 + $144,800

$200,400

2021

$2,857 (−1.8%)

$55,600 + $144,800

$200,400

2020

$2,910 (−2.3%)

$55,600 + $144,800

$200,400

2019

$2,978 (−1.7%)

$55,600 + $144,800

$200,400

2018

$3,028 (+0.6%)

$55,600 + $144,800

$200,400

2017

$3,012 (−0.8%)

$46,000 + $132,900

$178,900

2016

$3,037 (+0.2%)

$46,000 + $132,900

$178,900

2014

$3,030 (−0.2%)

$43,600 + $125,900

$169,500

2013

$3,035

$43,600 + $125,900

$169,500

Tax history for 17310 W Observatory Rd

Year

Property tax

Land + Additions

Assessment*

2025

$3,207 (+6.7%)

$113,000 + $148,800

$261,800

2024

$3,006 (+2.1%)

$113,000 + $148,800

$261,800

2023

$2,945 (−2.7%)

$55,600 + $144,800

$200,400

2022

$3,025 (+5.9%)

$55,600 + $144,800

$200,400

2021

$2,857 (−1.8%)

$55,600 + $144,800

$200,400

2020

$2,910 (−2.3%)

$55,600 + $144,800

$200,400

2019

$2,978 (−1.7%)

$55,600 + $144,800

$200,400

2018

$3,028 (+0.6%)

$55,600 + $144,800

$200,400

2017

$3,012 (−0.8%)

$46,000 + $132,900

$178,900

2016

$3,037 (+0.2%)

$46,000 + $132,900

$178,900

2014

$3,030 (−0.2%)

$43,600 + $125,900

$169,500

2013

$3,035

$43,600 + $125,900

$169,500

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

R-4

Low-Density Single-Family Residential District

The R-4 Low-Density Single-Family Residential District is intended to provide for existing single-family residential development, at a density not to exceed 2.2 dwelling units per net residential acre, and new large-lot subdivisions served by public sanitary sewer and water facilities.

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: 1,144
Basement Type: Full

Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1

Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Forced Air

Fireplace Information
Has Fireplace

Room Information
# of Rooms: 5

Exterior

Exterior Information
Foundation Type: Continuous Footing
Building Style Type: Ranch
Exterior Wall: Frame
Roof Covering Type: Clay Tile
Roof Shape Type: Clay Tile
Building Improvement Type: Single Family

Property Information
Subdivision Name: OBSERVATORY HEIGHTS
Living Sq. Ft: 1,144
Ground Floor Sq. Ft: 1,144
Building Sq. Ft: 2,728
# of Stories: 1
Legal Description: LOT 6 BLK 3 OBSERVATORY HEIGHTS PT NE.25 SEC 21 T6N R20E DOC #4228020 08/31/2016

Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 440
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 20,909
Legal Lot Number: 6
Legal Block Number: 3
Municipality Name: NEW BERLIN CITY
Acres: 0.48
Depth Footage: 161
Front Footage: 130
Zoning Code: R4
State Use Description: RESIDENTIAL

Utility Information
Sewer Type: Septic
Water Service Type: Well
Utility Type: Gas Public

Financial

Assessor Information
Assessment Year: 2025
Tax District County: NEW BERLIN CITY

Public facts

Beds: 3
Baths: 1.5
Sq. Ft.: 1,144
Stories: 1.0
Lot Size: 0.48 acres
Style: Single Family Residential
Year Built: 1958
Year Renovated: 1975
County: Waukesha County
APN: NBC 1233017

Home facts updated by county records on Jun 15, 2026

Around this home

Schools

Ronald Reagan Elementary School

Public PreK-6 • Assigned • 0.2mi

6/10

New Berlin Middle/High School

Public 7-12 • Assigned • 1.5mi

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

0.15% 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 • 53146

Average low and high temperatures (°F)

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

$318,000 – $384,000

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Nearby similar homes

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2850 S Amor Dr, New Berlin, WI 53146

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Carl Casarez • Coldwell Banker Realty

New listings for sale in 53146

$1,495,000

4 beds3.5 baths4,434 sq ft

2850 S Amor Dr, New Berlin, WI 53146

Lisa Reinecke • RE/MAX Lakeside-West

Home values near 17310 W Observatory Rd

Data from public records.

Address	Redfin Estimate
17321 W Observatory Road, New Berlin, WI 3 Beds \| 1.5 Baths \| 1323 Sq. Ft.	$421,440
17326 W Observatory Road, New Berlin, WI 3 Beds \| 1.5 Baths \| 1162 Sq. Ft.	$383,317

Address	Redfin Estimate
17200 W Observatory Road, New Berlin, WI 3 Beds \| 1 Baths \| 1822 Sq. Ft.	$366,158
17150 W Observatory Road, New Berlin, WI 3 Beds \| 1 Baths \| 1310 Sq. Ft.	$341,986

Address	Redfin Estimate
17201 W Observatory Road, New Berlin, WI 3 Beds \| 1.5 Baths \| 1504 Sq. Ft.	$372,007
17221 W Observatory Road, New Berlin, WI 4 Beds \| 1.5 Baths \| 1560 Sq. Ft.	$391,594

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 53146, WI

Sale history for 17310 W Observatory Rd

Tax history for 17310 W Observatory Rd

Zoning

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 53146

Home values near 17310 W Observatory Rd

More real estate resources