House Prices

Sullivan Square Charlestown, MA House Prices & Home Values 2026


Average Data

average house price$1,052,831
average size per house1396 ft²
average price per ft²770 $ / ft²

05/23/2026 - The value range (VR) for house prices in Sullivan Square Charlestown, MA is $731.5/ sqft to $808.5/ sqft. An average home with 1396 sqft costs approximately $1,041,598 to $1,151,240. Charlestown, MA includes 1 ZIP codes and it is located in Suffolk county. The lowest prices are found in ZIP 02129, while the highest are in ZIP 02129. The average price per sqare feet is $770. Our analysis is based on 15 property listings.

Avergage prices by ZIP codes Sullivan Square Charlestown

02129724 $ / ft²




Historical development of home values in Sullivan Square Charlestown

Year Estimated value (USD) Change vs. 2025
2010 $488,954 -53.6%
2011 $470,046 -55.4%
2012 $468,780 -55.5%
2013 $486,302 -53.8%
2014 $510,483 -51.5%
2015 $536,683 -49.0%
2016 $564,691 -46.4%
2017 $595,169 -43.5%
2018 $628,074 -40.3%
2019 $657,196 -37.6%
2020 $691,170 -34.4%
2021 $786,132 -25.3%
2022 $916,453 -13.0%
2023 $966,442 -8.2%
2024 $1,022,352 -2.9%
2025 $1,052,831 0.0%

Graph: estimated home values in Sullivan Square Charlestown over time (USD)



Example: 100% financing house in Sullivan Square Charlestown

Loan amount: $1,052,831

Interest rate: 6.12%

Fixed monthly payment: $6,393.71

Breakdown in the 1st month:
Interest portion: $5,369.44  –  Principal portion: $1,024.27

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $64,082.56 $12,641.94 $1,040,189.06
2 $63,286.80 $13,437.70 $1,026,751.36
3 $62,440.95 $14,283.55 $1,012,467.80
4 $61,541.85 $15,182.65 $997,285.15
5 $60,586.16 $16,138.34 $981,146.81
6 $59,570.31 $17,154.19 $963,992.63
7 $58,490.52 $18,233.98 $945,758.65
8 $57,342.76 $19,381.74 $926,376.91
9 $56,122.76 $20,601.74 $905,775.17
10 $54,825.96 $21,898.54 $883,876.62
11 $53,447.53 $23,276.97 $860,599.65
12 $51,982.33 $24,742.17 $835,857.48
13 $50,424.90 $26,299.60 $809,557.89
14 $48,769.45 $27,955.05 $781,602.83
15 $47,009.78 $29,714.72 $751,888.11
16 $45,139.35 $31,585.15 $720,302.97
17 $43,151.19 $33,573.31 $686,729.66
18 $41,037.88 $35,686.62 $651,043.04
19 $38,791.54 $37,932.96 $613,110.08
20 $36,403.81 $40,320.69 $572,789.38
21 $33,865.77 $42,858.73 $529,930.66
22 $31,167.98 $45,556.52 $484,374.14
23 $28,300.37 $48,424.13 $435,950.01
24 $25,252.26 $51,472.24 $384,477.76
25 $22,012.28 $54,712.22 $329,765.54
26 $18,568.35 $58,156.15 $271,609.39
27 $14,907.64 $61,816.86 $209,792.53
28 $11,016.51 $65,707.99 $144,084.54
29 $6,880.44 $69,844.06 $74,240.48
30 $2,484.02 $74,240.48 $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 Sullivan Square Charlestown, MA


1500 sqft3900 sqft
Ø selling price$1,425,501$3,032,430
Ø fast selling$1,295,910$2,729,187
Ø high price sale$1,555,093$3,335,673

In 2026, houses in Sullivan Square Charlestown, MA will be offered at an average price of $770 per square foot. A 1,500 sqft home priced at $1,425,501 is 23.46% more expensive per square foot than a 3,900 sqft home priced at $3,032,430. Home prices in Sullivan Square Charlestown, MA 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 $2,099,375. Sellers who can wait longer may achieve a higher price of up to $2,565,902.

FAQ – Home Values in Sullivan Square Charlestown

What is the median home value in Sullivan Square Charlestown in 2026?

In 2026, the typical home value in Sullivan Square Charlestown is about $1,052,831 for an average home size of 1396 square feet. This corresponds to an average price of roughly $770 per square foot.

What is the average cost per square foot in Sullivan Square Charlestown?

In 2026, homes in Sullivan Square Charlestown sell for an average of around $770 per square foot, with a typical range between $731.5 and $808.5 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in Sullivan Square?

The average home size in Sullivan Square Charlestown is about 1396 square feet, with an estimated 2026 value around $1,052,831.



Neighborhoods close to Sullivan Square Charlestown, MA

Hyde Square Jamaica Plain, MA452 $ / ft²
Roslindale Village Roslindale, MA453 $ / ft²
Bellevue Hill West Roxbury, MA440 $ / ft²
Jeffries Point East Boston, MA596 $ / ft²
City Point South Boston, MA617 $ / ft²
Edgewater Mattapan, MA279 $ / ft²
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