The Unshakable Investor

Unshakable ZIP Data 53151 | New Berlin, WI Housing Market

New Berlin · Waukesha County · Milwaukee-Waukesha, WI metro · Wisconsin · Data updated June 19, 2026

The median sale price in ZIP 53151, New Berlin, Wisconsin is $460,863 at $239 per square foot. 79 single-family homes sold in the latest period, up 20.1 percent from a year earlier. Homes sit a median of 35 days on market with 2.0 months of supply. Sellers are getting 102.4 percent of list price and 67.5 percent of homes sold above asking.

Balanced market.

Value anchors

MetricValueYear over year
Average single-family value$479,592
Average price per sq ft$249
Median sale price$460,863
Median sale price per sq ft$239
Median home size1,929 sq ft
Median new listing price$470,875+13.5%
National size rank3,204

Sales activity

MetricValueYear over year
Homes sold79+20.1%
Median days on market35 days
Months of supply2.0 months
New listings107+14.6%
Active listings143+19.0%
Pending sales108+26.1%

Pricing power

MetricValueYear over year
Average sale-to-list ratio102.4%-0.2 pts
Share sold above list67.5%-0.6 pts

Bedroom value anchors

Average values by bedroom count. Value anchors for orientation, not appraisals.

1-bedroom
$174,498
2-bedroom
$318,383
3-bedroom
$456,577
4-bedroom
$540,626
5-bedroom
$694,235

These figures describe the single-family market for New Berlin, Wisconsin ZIP 53151. They are market context, not a substitute for sold comps or a formal appraisal.