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Featured local agent — Harbor Island, SC
Sarah Mitchell
Compass Real Estate · Harbor Island, SC
“Your trusted relocation specialist since 2009. 350+ homes sold. Zero-pressure, data-first approach.”
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Harbor Island, SC Housing Market & Real Estate
Housing market overview · Updated monthly ·
$391,200median sale price
How is the Harbor Island, SC housing market right now?
The median home sale price in Harbor Island, SC is $391,200, up 5.4% year-over-year. Homes sell in an average of 133 days with 30 active listings. The market is currently a buyer's market. (Source: Redfin monthly MLS data, as of May 2026 — the most recent Redfin release; Redfin publishes each month's data on a ~6-week lag.)
Is Harbor Island a buyer's or seller's market?
Harbor Island, SC is currently a buyer's market, based on 5.0 months of supply and homes selling in about 133 days. How we determine this →
Homes sold
6
Last 12 weeks
Days on market
133
Average pace
Active listings
30
5.0 months supply
Sale-to-list
95.5%
Below asking
What does the Harbor Island housing market data show?
| Metric | Value |
|---|---|
| Median sale price | $391,200 |
| Median list price | $374,500 |
| Year-over-year price change | +5.4% |
| Average days on market | 133 days |
| Active inventory | 30 listings |
| Months of supply | 5.0 months |
| Sale-to-list price ratio | 95.5% |
| Median price per sq ft | $370/sq ft |
| Homes sold (latest month) | 6 |
| New listings (latest month) | 6 |
| Listings with a price cut | 13.3% |
| Market condition | Buyer's market |
Source: Redfin · Updated monthly
How much do homes cost in Harbor Island by property type?
How the Harbor Island, SC market breaks down across single-family homes, condos, and townhouses.
| Property type | Median price | Price / sq ft | Homes sold | Days on market |
|---|---|---|---|---|
| Single-family | $712,000 | $396/sq ft | 2 | 94 days |
| Condo / Co-op | $346,250 | $367/sq ft | 4 | 219 days |
| Townhouse | $721,000 | $366/sq ft | 1 | 102 days |
Source: Redfin · Updated monthly
The Harbor Island housing market is currently classified as a buyer's market with a median sale price of $391,200. Prices have risen 5.4% compared to last year, with homes spending an average of 133 days on market, indicating 5.0 months of inventory.This inventory level gives buyers significantly more negotiating power, allowing time to inspect properties thoroughly and potentially negotiate better terms.
Homes for sale in Harbor Island
There are currently 30 homes listed for sale in Harbor Island, South Carolina. The median listing price is $375K.
Active listings
30
Homes on market
Median list price
$375K
Avg. days on market
133
Days until sale
New this week
6
Newly listed
Who lives in Harbor Island?
Population
310
Median income
$100,250/yr
Median age
69.5 years
Owner-occupied
84.2%
College grads
80.8%
Avg commute
26.6 min
Source: U.S. Census Bureau ACS
What is it like to live in Harbor Island?
Harbor Island is a community of approximately 0K residents with a median age of 69.5 years.The median household income is $100,250, which reflects a relatively affluent area with strong earning potential. 80.8% of residents hold a bachelor's degree or higher, indicating a highly educated population.
Homeownership rates are at 84.2%, reflecting strong community stability and long-term resident commitment. The average commute time is 26.6 minutes, which makes this an excellent choice for those seeking short commutes to employment centers.Overall, Harbor Island offers a balanced lifestyle with accessible home values relative to local income levels.
Which cities are near Harbor Island, SC?
Want a head-to-head view? Compare Harbor Island side-by-side with any other U.S. city using our market-comparison tool.
Frequently asked questions
What is the average home price in Harbor Island?
The median home sale price in Harbor Island is $391,200, up 5.4% from last year.
How long do homes stay on market in Harbor Island?
Homes typically spend 133 days on market before going under contract.
What is the median income in Harbor Island?
The median household income is $100,250 per year.
Is Harbor Island a buyer's or seller's market?
With 5.0 months of supply, Harbor Island is currently a buyer's market.
What is the median condo price in Harbor Island?
The median condo/co-op sale price in Harbor Island, SC is $346,250, compared to $712,000 for a single-family home, based on the latest Redfin data.
How much does a single-family home cost in Harbor Island?
The median single-family home price in Harbor Island, SC is $712,000 (about $396 per square foot).
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