House Prices

Thornton Heights South Portland, ME House Prices & Home Values 2026


Average Data

average house price$361,212
average size per house1485 ft²
average price per ft²253 $ / ft²

05/20/2026 - The value range (VR) for house prices in Thornton Heights South Portland, ME is $240.35/ sqft to $265.65/ sqft. An average home with 1485 sqft costs approximately $370,483 to $409,481. South Portland, ME includes 1 ZIP codes and it is located in Cumberland county. The lowest prices are found in ZIP 04106, while the highest are in ZIP 04106. The average price per sqare feet is $253. Our analysis is based on 8 property listings.

Avergage prices by ZIP codes Thornton Heights South Portland

04106271 $ / ft²




Historical development of home values in Thornton Heights South Portland

Year Estimated value (USD) Change vs. 2025
2010 $167,753 -53.6%
2011 $161,266 -55.4%
2012 $160,832 -55.5%
2013 $166,844 -53.8%
2014 $175,140 -51.5%
2015 $184,129 -49.0%
2016 $193,738 -46.4%
2017 $204,195 -43.5%
2018 $215,484 -40.3%
2019 $225,475 -37.6%
2020 $237,131 -34.4%
2021 $269,711 -25.3%
2022 $314,423 -13.0%
2023 $331,573 -8.2%
2024 $350,755 -2.9%
2025 $361,212 0.0%

Graph: estimated home values in Thornton Heights South Portland over time (USD)



Example: 100% financing house in Thornton Heights South Portland

Loan amount: $361,212

Interest rate: 6.23%

Fixed monthly payment: $2,218.88

Breakdown in the 1st month:
Interest portion: $1,874.69  –  Principal portion: $344.19

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $22,376.32 $4,250.22 $356,961.78
2 $22,103.93 $4,522.61 $352,439.16
3 $21,814.08 $4,812.46 $347,626.70
4 $21,505.65 $5,120.89 $342,505.81
5 $21,177.46 $5,449.08 $337,056.73
6 $20,828.24 $5,798.31 $331,258.42
7 $20,456.63 $6,169.91 $325,088.51
8 $20,061.21 $6,565.34 $318,523.17
9 $19,640.44 $6,986.10 $311,537.07
10 $19,192.71 $7,433.83 $304,103.24
11 $18,716.28 $7,910.26 $296,192.98
12 $18,209.32 $8,417.22 $287,775.76
13 $17,669.87 $8,956.67 $278,819.09
14 $17,095.85 $9,530.69 $269,288.40
15 $16,485.04 $10,141.50 $259,146.89
16 $15,835.08 $10,791.46 $248,355.43
17 $15,143.47 $11,483.08 $236,872.35
18 $14,407.53 $12,219.01 $224,653.34
19 $13,624.43 $13,002.12 $211,651.22
20 $12,791.14 $13,835.41 $197,815.81
21 $11,904.44 $14,722.10 $183,093.71
22 $10,960.92 $15,665.63 $167,428.08
23 $9,956.92 $16,669.62 $150,758.46
24 $8,888.59 $17,737.96 $133,020.51
25 $7,751.78 $18,874.76 $114,145.74
26 $6,542.12 $20,084.43 $94,061.31
27 $5,254.93 $21,371.62 $72,689.70
28 $3,885.24 $22,741.30 $49,948.40
29 $2,427.78 $24,198.76 $25,749.64
30 $876.91 $25,749.64 $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 Thornton Heights South Portland, ME


1500 sqft3900 sqft
Ø selling price$476,645$1,013,953
Ø fast selling$433,314$912,558
Ø high price sale$519,976$1,115,348

In 2026, houses in Thornton Heights South Portland, ME will be offered at an average price of $253 per square foot. A 1,500 sqft home priced at $476,645 is 23.87% more expensive per square foot than a 3,900 sqft home priced at $1,013,953. Home prices in Thornton Heights South Portland, ME 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 $701,968. Sellers who can wait longer may achieve a higher price of up to $857,960.


Thornton Heights, South Portland ME Neighborhood Guide

Location and connectivity

Located in the western side of South Portland, Maine, Thornton Heights offers a convenient base just off U.S. Route 1 with fast access to I?295 and the Maine Turnpike.

Residents enjoy quick commutes to downtown Portland, the Portland International Jetport, and major employers across Greater Portland.


Neighborhood character

Thornton Heights features quiet, tree-lined streets and a friendly, small-neighborhood feel.

Housing here leans mid-century with Capes, ranches, and bungalows, alongside a sprinkling of multi-family homes and tasteful infill.


Real estate

Thornton Heights real estate is known for value, offering more attainable price points than South Portland?s coastal enclaves while keeping you close to city amenities.

Buyers searching for homes for sale in South Portland will find solid single-family options, with inventory that shifts seasonally and moves quickly in competitive months.


Amenities, dining, and shopping

Everyday needs are covered with nearby grocers, cafes, and local eateries along Main Street and Broadway, plus larger shopping at Mill Creek and the Maine Mall district.

Dining, breweries, and waterfront spots in Knightville and downtown Portland are just minutes away, expanding entertainment choices without sacrificing neighborhood calm.


Parks, schools, and lifestyle

Outdoor lovers appreciate easy access to South Portland?s trail network, with destinations like Hinkley Park and Willard Beach a short drive from the neighborhood.

Families benefit from the South Portland School Department, community recreation programs, and service from regional bus lines that support car-light living.



FAQ – Home Values in Thornton Heights South Portland

What is the median home value in Thornton Heights South Portland in 2026?

In 2026, the typical home value in Thornton Heights South Portland is about $361,212 for an average home size of 1485 square feet. This corresponds to an average price of roughly $253 per square foot.

What is the average cost per square foot in Thornton Heights South Portland?

In 2026, homes in Thornton Heights South Portland sell for an average of around $253 per square foot, with a typical range between $240.35 and $265.65 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in Thornton Heights?

The average home size in Thornton Heights South Portland is about 1485 square feet, with an estimated 2026 value around $361,212.



Neighborhoods close to Thornton Heights South Portland, ME

Oakhurst Cape Elizabeth, ME399 $ / ft²
Peaks Island Village Peaks Island, ME377 $ / ft²
Wildwood Cumberland Foreside, ME332 $ / ft²
Falmouth Foreside Falmouth, ME249 $ / ft²
Walnut Hill North Yarmouth, ME226 $ / ft²
Yarmouth Village Yarmouth, ME191 $ / ft²
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