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18650 Observatory Rd

New Berlin, WI 53146

3 bd 2 ba 2,522 sqft Built 1973 Lot 50,094 sqft single_family
Most recent sale
$435,000
Jan 5, 2024

Location

Timeline: Sale, Listing & Tax History

Recorded events

DateEventPriceSource
Jan 5, 2024 Sold $435,000 MetroMLS
Oct 27, 2023 Listed $440,000 MetroMLS

Tax assessment history

YearBuildingLandTotal assessedTax paid
2025 $257,600 $106,300 $363,900 $4,471
2024 $257,600 $106,300 $363,900 $4,198
2023 $201,000 $60,000 $261,000 $3,857
2022 $201,000 $60,000 $261,000 $3,972
2021 $201,000 $60,000 $261,000 $3,754
2020 $201,000 $60,000 $261,000 $3,809
2019 $201,000 $60,000 $261,000 $3,910
2018 $201,000 $60,000 $261,000 $3,974
2017 $185,200 $52,900 $238,100 $4,027
2016 $185,200 $52,900 $238,100 $4,066
2015 $185,200 $52,900 $238,100 $4,057
2014 $173,700 $49,600 $223,300 $4,020
2013 $173,700 $49,600 $223,300 $4,061
2012 $173,700 $49,600 $223,300 $4,050
2010 $189,700 $54,500 $244,200 $4,016
2009 $189,700 $54,500 $244,200 $3,928
2008 $177,600 $52,000 $229,600 $3,899
2006 $177,600 $52,000 $229,600 $3,771

Property facts

Year built
1973
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
2,522 sqft
Lot size
50,094 sqft
ZIP code
53146
City
New Berlin
Street
Observatory Rd
Coordinates
42.96995, -88.14649

Comparable properties nearby

Investment analysis

Estimates based on local averages — not personalized advice
Estimated monthly rent
$3,783
Gross rental yield
10.44%
Implied cap rate
6.78%
Trend-extrapolated value

Frequently asked questions

When did 18650 Observatory Rd last sell?
18650 Observatory Rd most recently sold on Jan 5, 2024 for $435,000.
What is the current tax assessment for 18650 Observatory Rd?
The most recent total assessment for 18650 Observatory Rd (year 2025) is $363,900 with $4,471 in property tax.
How does 18650 Observatory Rd's assessment compare to its last sale price?
The current assessment is 16.3% below the last sale price of $435,000.
When was 18650 Observatory Rd built?
18650 Observatory Rd was built in 1973.
How does 18650 Observatory Rd compare to others on Observatory Rd?
We track 8 other properties on Observatory Rd. Browse the list under "Other properties on Observatory Rd" to compare beds, baths, and sale history.
What are the property facts for 18650 Observatory Rd?
18650 Observatory Rd is a 3 bed, 2 bath, 2,522 sqft, 50,094 sqft lot single_family.
Is 18650 Observatory Rd a flip candidate?
No — 18650 Observatory Rd does not appear in our flips dataset.
Is 18650 Observatory Rd a tax-appeal candidate?
No — 18650 Observatory Rd is not currently flagged as a tax-appeal candidate.

Forecast for this area

ZIP-area linear projection — not a per-property automated valuation
Quarterly trend
-1.8%
Implied 1-yr
-7.3%
2026 Q2
$456.7K
2026 Q3
$447.3K
ZIP 53146 — Median Price History + Forecast

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