House Prices

House Prices & Home Values Sullivans Island, SC 2026


Average Data

average house price$2,309,870
average size per house2455 ft²
average price per ft²941 $ / ft²

04/05/2026 - The value range (VR) for house prices in Sullivans Island, SC is $1018/ sqft to $1018/ sqft. An average home with 2455 sqft costs approximately $2,499,190 to $2,499,190. Sullivans Island, SC includes 1 ZIP codes and it is located in Charleston county. The lowest prices are found in ZIP 29482, while the highest are in ZIP 29482. The average price per sqare feet is $941. Our analysis is based on 23 property listings.

Avergage prices by ZIP codes Sullivans Island

29482987 $ / ft²




Historical development of home values in Sullivans Island

Year Estimated value (USD) Change vs. 2025
2010 $1,072,745 -53.6%
2011 $1,031,262 -55.4%
2012 $1,028,486 -55.5%
2013 $1,066,928 -53.8%
2014 $1,119,980 -51.5%
2015 $1,177,462 -49.0%
2016 $1,238,910 -46.4%
2017 $1,305,778 -43.5%
2018 $1,377,969 -40.3%
2019 $1,441,863 -37.6%
2020 $1,516,401 -34.4%
2021 $1,724,742 -25.3%
2022 $2,010,662 -13.0%
2023 $2,120,336 -8.2%
2024 $2,243,001 -2.9%
2025 $2,309,870 0.0%

Graph: estimated home values in Sullivans Island over time (USD)



Example: 100% financing house in Sullivans Island

Loan amount: $2,309,870

Interest rate: 6.00%

Fixed monthly payment: $13,848.84

Breakdown in the 1st month:
Interest portion: $11,549.35  –  Principal portion: $2,299.49

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $137,820.58 $28,365.47 $2,281,504.53
2 $136,071.06 $30,114.99 $2,251,389.53
3 $134,213.63 $31,972.42 $2,219,417.11
4 $132,241.64 $33,944.41 $2,185,472.70
5 $130,148.03 $36,038.03 $2,149,434.67
6 $127,925.28 $38,260.77 $2,111,173.90
7 $125,565.44 $40,620.61 $2,070,553.28
8 $123,060.05 $43,126.01 $2,027,427.28
9 $120,400.13 $45,785.92 $1,981,641.35
10 $117,576.15 $48,609.90 $1,933,031.46
11 $114,578.00 $51,608.05 $1,881,423.40
12 $111,394.93 $54,791.12 $1,826,632.28
13 $108,015.53 $58,170.52 $1,768,461.76
14 $104,427.70 $61,758.35 $1,706,703.41
15 $100,618.58 $65,567.47 $1,641,135.94
16 $96,574.53 $69,611.53 $1,571,524.42
17 $92,281.04 $73,905.01 $1,497,619.40
18 $87,722.74 $78,463.31 $1,419,156.09
19 $82,883.29 $83,302.76 $1,335,853.33
20 $77,745.36 $88,440.69 $1,247,412.64
21 $72,290.53 $93,895.52 $1,153,517.12
22 $66,499.26 $99,686.79 $1,053,830.33
23 $60,350.80 $105,835.25 $947,995.08
24 $53,823.11 $112,362.94 $835,632.14
25 $46,892.81 $119,293.24 $716,338.90
26 $39,535.07 $126,650.99 $589,687.91
27 $31,723.51 $134,462.54 $455,225.37
28 $23,430.16 $142,755.90 $312,469.47
29 $14,625.28 $151,560.77 $160,908.70
30 $5,277.35 $160,908.70 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in Sullivans Island, SC


1500 sqft3900 sqft
Ø selling price$1,707,916$3,633,202
Ø fast selling$1,552,651$3,269,881
Ø high price sale$1,863,181$3,996,522

In 2026, houses in Sullivans Island, SC will be offered at an average price of $941 per square foot. A 1,500 sqft home priced at $1,707,916 is 22.29% more expensive per square foot than a 3,900 sqft home priced at $3,633,202. Home prices in Sullivans Island, SC vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $2,515,293. Sellers who can wait longer may achieve a higher price of up to $3,074,248.

FAQ – Home Values in Sullivans Island

What is the median home value in Sullivans Island in 2026?

In 2026, the typical home value in Sullivans Island is about $2,309,870 for an average home size of 2455 square feet. This corresponds to an average price of roughly $941 per square foot.

What is the average cost per square foot in Sullivans Island?

In 2026, homes in Sullivans Island sell for an average of around $941 per square foot, with a typical range between $1018 and $1018 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in Sullivans Island is about 2455 square feet, with an estimated 2026 value around $2,309,870.



Locations close to Sullivans Island, SC

Summerville, SC123 $ / ft²
Wadmalaw Island, SC166 $ / ft²
Walterboro, SC84 $ / ft²
Smoaks, SC137 $ / ft²
Saint Stephen, SC101 $ / ft²
Saint George, SC112 $ / ft²
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