Photo: US Government · Public domain43 homes sold in Harbor Island in the last year, at a typical $469K
Houses and condos split the market almost evenly. Below: what each kind of home sells for, what your budget buys, the best months to buy, how hard you’ll have to bid, and a shortcut to every site where Harbor Island homes are listed.
Every place Harbor Island homes are listed, in one stop
We don’t copy listings: the agents’ sites have the photos and the latest price changes. Set what you want once and we open each site already filtered to Harbor Island.
For sale
Rent
New, land & open houses
Links open the listing sites; TownRatings isn’t paid for them and doesn’t rank one above another. Rentals and government-owned homes come from sources outside the MLS.
60% of Harbor Island’s sales are condos, at $508K less than a house
13 houses and 21 condos sold in the year to May 2026. Houses sell faster and draw more bidding wars.
typical sale · 13 sold in the year to May 2026
- Per square foot
- $371SC $205
- Days to sell
- 113
- Sold over asking
- 8%
- Listings with a price cut
- 26%
typical sale · 21 sold in the year to May 2026
- Per square foot
- $313SC $263
- Days to sell
- 272
- Sold over asking
- 0%
- Listings with a price cut
- 23%
Townhouses: 1 sold, typical $721K
Too few sales in 12 months for reliable figures.
About as many homes sell as usual, at 1.7 times the 2016 price
43 sales in the last year, against 94 in 2021 and a low of 20 in 2017. The typical sale went from $273K in 2016 to $469K.
Source: Redfin Data Center, MLS sales; from June 2026 each month is a 3-month rolling window, its counts divided by 3. Typical price and $/sq ft are the monthly medians, weighted by sales. Redfin stopped publishing towns’ figures by property type after May 2026, so houses and condos are shown for the year to then.
What $450K buys in Harbor Island
Check a listing against what Harbor Island homes sold for
Against the town’s median price per square foot over the last 12 months. A rough check: condition, lot and location within town move a price more than this can see.
Bidding wars in Harbor Island are back to pre-pandemic levels, with about as many homes for sale
We read every month of Harbor Island’s home sales since 2015 so you don’t have to. Each figure covers 12 months, because a single month in a town is too few sales to mean much. Latest: the year to September 2026, 43 sales.
If you’re buying in Harbor Island
- Shop in February. It brings about 6 new listings a month, close to the busiest month, with fewer bidding wars (6% over asking).
- Offer under asking. Buyers paid 94.5% of the list price on average; 4% paid over.
- You’ll usually have time. Only 15% of homes go under contract within two weeks; the typical one takes 169 days.
Spring brings the homes; summer brings the bidding wars
March has the most new listings (about 8 a month), but July is the most competitive: 14% of July sales close over asking. January has the least competition (0%).
Averages for each calendar month, 2015 on.
Nearly as heated as 2021, and calmer than South Carolina
| Harbor Island now | 2017–19 | 2021 peak | SC now | |
|---|---|---|---|---|
| Sold over askingShare of sales that closed above the list price | 4% | 2% | 14% | 12% |
| Gone within two weeksShare of homes under contract within 14 days | 15% | 0% | 2% | 25% |
| Price paid vs. askingAverage sale price ÷ list price | 94.5% | 92.6% | 97% | 97.7% |
| Days to sellMedian days from listing to contract | 169 | 331 | 80 | 81 |
31 homes for sale on a typical day
That’s twice the 2022 low (15), about the 2017–19 level and well under 2018’s 43.
Since 2019, houses are up 55%, condos 114%
A house typically sold for $798K in the year to May 2026 (13 sales), a condo for $290K (21).
Median sale price, weighted by sales each month. Years with fewer than 4 sales of a type are left out.
Source: Redfin Data Center, city figures, January 2015 to September 2026 (MLS sales, not seasonally adjusted; from June 2026 each month is a 3-month rolling window, its counts divided by 3). Ratios are weighted by homes sold; price cuts by homes for sale.
Four things worth knowing
New listings in March
The month with the most choice. December has the fewest, about 3.
Best time to buyTypical commute
The average one-way trip to work for people who live in Harbor Island.
Work & commuteCheck the flood map
Flood insurance isn’t in a standard policy, and lenders require it in FEMA flood zones. Check the address before you make an offer.
Natural hazardsLook up any property
Assessed value, lot size and every past sale of a home you’re eyeing are public, at the town or county assessor and the registry of deeds.
Port Royal, Beaufort, Burton and Shell Point sell for less a square foot; Fripp Island and Edisto Beach for far more
The busier markets within 25 miles of Harbor Island, by what sold. Prices, taxes and how far a paycheck goes next door are on Cost of living.
| Sold | Typical sale | $/sq ft | Over asking | Days to sell | |
|---|---|---|---|---|---|
| Beaufort | 323 | $482K | $272 | 7% | 80 |
| Port Royal | 186 | $398K | $215 | 14% | 74 |
| Edisto Beach | 113 | $737K | $455 | 1% | 94 |
| Fripp Island | 96 | $800K | $446 | 1% | 106 |
| Burton | 77 | $338K | $229 | 16% | 72 |
| Harbor Island | 43 | $469K | $348 | 4% | 169 |
| Shell Point | 30 | $382K | $245 | 16% | 88 |
Redfin Data Center, October 2025 to September 2026. Towns with fewer than 20 sales are left out, and Redfin doesn’t report every town separately.
Post your home to Harbor Island, free
Selling it yourself, renting out an apartment or looking for a roommate? Post it to Harbor Island. People who follow the town see it, and so do people comparing Harbor Island with their own town. No commission, no listing fee.
Questions about buying a home in Harbor Island
What do homes sell for in Harbor Island, SC?
43 homes sold in the year to September 2026 at a typical $469K, $348 a square foot. Houses sold for about $798K, condos for about $290K in the year to May 2026.
Is Harbor Island a buyer’s or seller’s market?
A buyer’s market: 28 homes were for sale in September 2026 and 4 sold, about 7 months of supply. Buyers paid 94.5% of asking on average.
When is the best time to buy in Harbor Island?
March brings the most new listings. The sales history shows which months have fewer bidding wars.
Where can I see homes for sale in Harbor Island?
Zillow, Redfin, Realtor.com and Homes.com all carry Harbor Island’s MLS listings; the search links above open each one filtered to Harbor Island.
Sales, prices, days on market and listings: Redfin Data Center (MLS, monthly, not seasonally adjusted; from June 2026 each month is a 3-month rolling window, its counts divided by 3). Property tax rate: Census American Community Survey. Two-bedroom rent: HUD Fair Market Rent. Typical home value: Zillow Home Value Index. Schools grade: TownRatings (how grades work).