House Prices

Harbor Island Saint Helena Island, SC House Prices & Home Values 2026


Average Data

average house price$332,237
average size per house1520 ft²
average price per ft²201 $ / ft²

04/15/2026 - The value range (VR) for house prices in Harbor Island Saint Helena Island, SC is $190.95/ sqft to $211.05/ sqft. An average home with 1520 sqft costs approximately $265,574 to $293,529. Saint Helena Island, SC includes 1 ZIP codes and it is located in Beaufort county. The lowest prices are found in ZIP 29920, while the highest are in ZIP 29920. The average price per sqare feet is $201. Our analysis is based on 9 property listings.

Avergage prices by ZIP codes Harbor Island Saint Helena Island

29920237 $ / ft²




Historical development of home values in Harbor Island Saint Helena Island

Year Estimated value (USD) Change vs. 2025
2010 $154,297 -53.6%
2011 $148,330 -55.4%
2012 $147,931 -55.5%
2013 $153,460 -53.8%
2014 $161,091 -51.5%
2015 $169,359 -49.0%
2016 $178,197 -46.4%
2017 $187,815 -43.5%
2018 $198,198 -40.3%
2019 $207,388 -37.6%
2020 $218,109 -34.4%
2021 $248,076 -25.3%
2022 $289,201 -13.0%
2023 $304,976 -8.2%
2024 $322,619 -2.9%
2025 $332,237 0.0%

Graph: estimated home values in Harbor Island Saint Helena Island over time (USD)



Example: 100% financing house in Harbor Island Saint Helena Island

Loan amount: $332,237

Interest rate: 5.49%

Fixed monthly payment: $1,884.32

Breakdown in the 1st month:
Interest portion: $1,519.98  –  Principal portion: $364.34

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $18,128.10 $4,483.75 $327,753.25
2 $17,875.66 $4,736.20 $323,017.05
3 $17,609.00 $5,002.86 $318,014.20
4 $17,327.32 $5,284.53 $312,729.67
5 $17,029.79 $5,582.07 $307,147.60
6 $16,715.50 $5,896.35 $301,251.25
7 $16,383.52 $6,228.33 $295,022.92
8 $16,032.85 $6,579.00 $288,443.92
9 $15,662.44 $6,949.42 $281,494.50
10 $15,271.16 $7,340.69 $274,153.81
11 $14,857.86 $7,753.99 $266,399.82
12 $14,421.29 $8,190.56 $258,209.26
13 $13,960.14 $8,651.71 $249,557.55
14 $13,473.03 $9,138.83 $240,418.72
15 $12,958.49 $9,653.37 $230,765.35
16 $12,414.98 $10,196.88 $220,568.47
17 $11,840.86 $10,770.99 $209,797.48
18 $11,234.43 $11,377.43 $198,420.06
19 $10,593.85 $12,018.01 $186,402.05
20 $9,917.20 $12,694.65 $173,707.40
21 $9,202.46 $13,409.39 $160,298.01
22 $8,447.47 $14,164.38 $146,133.63
23 $7,649.98 $14,961.87 $131,171.75
24 $6,807.59 $15,804.27 $115,367.49
25 $5,917.76 $16,694.09 $98,673.40
26 $4,977.84 $17,634.01 $81,039.39
27 $3,985.00 $18,626.85 $62,412.53
28 $2,936.26 $19,675.60 $42,736.93
29 $1,828.47 $20,783.39 $21,953.55
30 $658.31 $21,953.55 $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 Harbor Island Saint Helena Island, SC


1500 sqft3900 sqft
Ø selling price$333,806$710,096
Ø fast selling$303,460$639,087
Ø high price sale$364,152$781,106

In 2026, houses in Harbor Island Saint Helena Island, SC will be offered at an average price of $201 per square foot. A 1,500 sqft home priced at $333,806 is 21.05% more expensive per square foot than a 3,900 sqft home priced at $710,096. Home prices in Harbor Island Saint Helena Island, SC vary significantly depending on the property’s condition and exact location. For a quick sale, a 2,700 sqft home should be listed at around $491,605. Sellers who can wait longer may achieve a higher price of up to $600,851.


Harbor Island, Saint Helena Island SC: Neighborhood Guide


Overview & Location

Harbor Island is a tranquil, gated coastal neighborhood on Saint Helena Island, SC.

Set within the South Carolina Lowcountry, this barrier island sits near Beaufort and showcases miles of uncrowded beach and marsh.

Its convenient location places residents within easy reach of historic Beaufort, Hunting Island State Park, dining, and coastal attractions.


Nature & Amenities

The island?s pristine beach, tidal creeks, and maritime forest create a protected habitat teeming with wildlife, including nesting sea turtles and shorebirds.

Community amenities include pools, tennis and pickleball courts, a fitness center, boardwalks, and crabbing docks.

Outdoor lovers enjoy kayaking, paddleboarding, surf fishing, and biking along scenic trails and quiet roads.

Family-friendly and eco-conscious, Harbor Island supports nature programs and seasonal turtle watches coordinated with local volunteers.


Real Estate & Access

Harbor Island real estate ranges from oceanfront homes to villas and condos, with many properties offering vacation rental potential subject to HOA and county guidelines.

As a true gated community, entry requires vehicle passes and 24/7 security enhances privacy and peace of mind.

For buyers and travelers seeking a serene Lowcountry beach lifestyle, Harbor Island SC delivers natural beauty, convenience, and year-round coastal charm.



FAQ – Home Values in Harbor Island Saint Helena Island

What is the median home value in Harbor Island Saint Helena Island in 2026?

In 2026, the typical home value in Harbor Island Saint Helena Island is about $332,237 for an average home size of 1520 square feet. This corresponds to an average price of roughly $201 per square foot.

What is the average cost per square foot in Harbor Island Saint Helena Island?

In 2026, homes in Harbor Island Saint Helena Island sell for an average of around $201 per square foot, with a typical range between $190.95 and $211.05 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in Harbor Island?

The average home size in Harbor Island Saint Helena Island is about 1520 square feet, with an estimated 2026 value around $332,237.



Neighborhoods close to Harbor Island Saint Helena Island, SC

Hammonds Ferry North Augusta, SC100 $ / ft²
Aiken Downtown Historic District Aiken, SC108 $ / ft²
Thornblade Greer, SC123 $ / ft²
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