The Harbor Island housing market is not very competitive. The median sale price of a home in Harbor Island was $371K last month, up 58.9% since last year. The median sale price per square foot in Harbor Island is $343, up 13.4% since last year.
What is the housing market like in Harbor Island today?
In May 2025, Harbor Island home prices were up 58.9% compared to last year, selling for a median price of $371K.
$371K
Sale Price
+58.9% since last year
$343
Sale $/Sq. Ft.
+13.4% since last year
Under List Price
5.4%
Days on Market
101
Down Payment
—
Total Homes Sold
5
To compare other locations to the Harbor Island and U.S. housing market, enter a city, neighborhood, state, or zip code into the search bar. Learn which home features in Harbor Island add value to a home.
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How hot is the Harbor Island housing market?
Harbor Island is not very competitive. Homes sell in 101 days.
0
100
13
Not Very Competitive
Redfin Compete Score™
The Redfin Compete Score rates how competitive an area is on a scale of 0 to 100, where 100 is the most competitive.
Calculated over the last 12 months
Multiple offers are rare.
The average homes sell for about 5% below list price and go pending in around 101 days.
Hot homes
can sell for about 2% below list price and go pending in around 45 days.
This data does not reflect actual moves. The latest migration analysis is based on a sample of about two
million Redfin.com users who searched for homes across more than 100 metro areas. To be included in this dataset, a Redfin.com user
must have viewed at least 10 homes in a three month period. This dataset excludes all rentals data.
School data provided by GreatSchools. School service boundaries are intended to be used as reference only. To verify enrollment eligibility for a property, contact the school directly.
Climate's impact on Harbor Island housing
Learn about natural hazards and environmental risks, such as floods, fires, wind, and heat that
could impact homes in Harbor Island.
Flood Factor - Extreme
97% of properties are at risk of severe flooding over the next 30 years
Flood Factor
Harbor Island has an extreme risk of flooding. 467 properties in Harbor Island are likely to be
severely affected
by flooding over the next 30 years. This represents 97% of all properties in Harbor Island. Flood risk is increasing slower than the national average.
100% of properties are at risk of wildfire over the next 30 years
Fire Factor
Harbor Island has a moderate risk of wildfire. There are 494 properties in Harbor Island that have some risk of being affected by wildfire over the next 30 years. This represents 100% of all properties in Harbor Island.
100% of properties are at extreme
risk of a severe wind event over the next 30 years
Wind Factor
Harbor Island has an Extreme Wind Factor® risk based on the projected likelihood and speed of hurricane, tornado, or severe storm winds impacting it. Harbor Island is most at risk from hurricanes. 494 properties in Harbor Island have some risk of being in a severe wind event within the next 30 years.
Wind likelihood over time
If an exceedingly rare windstorm
(a 1-in-3,000 year storm event)
occurred today, it could cause wind gusts of up to 178 mph. In 30 years, an event of this same likelihood would show increased wind gusts of up to 210 mph.