House Prices

House Prices & Home Values Union, ME 2026


Average Data

average house price$309,580
average size per house1995 ft²
average price per ft²156 $ / ft²

04/23/2026 - The value range (VR) for house prices in Union, ME is $137/ sqft to $137/ sqft. An average home with 1995 sqft costs approximately $273,315 to $273,315. Union, ME includes 1 ZIP codes and it is located in Knox county. The lowest prices are found in ZIP 04862, while the highest are in ZIP 04862. The average price per sqare feet is $156. Our analysis is based on 5 property listings.

Avergage prices by ZIP codes Union

04862139 $ / ft²




Historical development of home values in Union

Year Estimated value (USD) Change vs. 2025
2010 $143,775 -53.6%
2011 $138,215 -55.4%
2012 $137,843 -55.5%
2013 $142,995 -53.8%
2014 $150,105 -51.5%
2015 $157,809 -49.0%
2016 $166,045 -46.4%
2017 $175,007 -43.5%
2018 $184,682 -40.3%
2019 $193,246 -37.6%
2020 $203,235 -34.4%
2021 $231,158 -25.3%
2022 $269,479 -13.0%
2023 $284,178 -8.2%
2024 $300,618 -2.9%
2025 $309,580 0.0%

Graph: estimated home values in Union over time (USD)



Example: 100% financing house in Union

Loan amount: $309,580

Interest rate: 6.00%

Fixed monthly payment: $1,856.09

Breakdown in the 1st month:
Interest portion: $1,547.90  –  Principal portion: $308.19

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $18,471.38 $3,801.68 $305,778.32
2 $18,236.90 $4,036.16 $301,742.16
3 $17,987.96 $4,285.10 $297,457.06
4 $17,723.67 $4,549.39 $292,907.67
5 $17,443.07 $4,829.99 $288,077.68
6 $17,145.17 $5,127.89 $282,949.78
7 $16,828.89 $5,444.17 $277,505.61
8 $16,493.11 $5,779.96 $271,725.65
9 $16,136.61 $6,136.45 $265,589.20
10 $15,758.13 $6,514.93 $259,074.27
11 $15,356.30 $6,916.76 $252,157.51
12 $14,929.69 $7,343.37 $244,814.13
13 $14,476.77 $7,796.30 $237,017.84
14 $13,995.91 $8,277.15 $228,740.68
15 $13,485.39 $8,787.67 $219,953.01
16 $12,943.39 $9,329.68 $210,623.34
17 $12,367.95 $9,905.11 $200,718.23
18 $11,757.03 $10,516.03 $190,202.19
19 $11,108.42 $11,164.64 $179,037.55
20 $10,419.81 $11,853.25 $167,184.30
21 $9,688.73 $12,584.33 $154,599.97
22 $8,912.55 $13,360.51 $141,239.46
23 $8,088.51 $14,184.55 $127,054.91
24 $7,213.64 $15,059.43 $111,995.48
25 $6,284.80 $15,988.26 $96,007.22
26 $5,298.68 $16,974.38 $79,032.84
27 $4,251.74 $18,021.32 $61,011.52
28 $3,140.22 $19,132.84 $41,878.68
29 $1,960.15 $20,312.91 $21,565.77
30 $707.30 $21,565.77 $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 Union, ME


1500 sqft3900 sqft
Ø selling price$283,141$602,316
Ø fast selling$257,401$542,085
Ø high price sale$308,880$662,548

In 2026, houses in Union, ME will be offered at an average price of $156 per square foot. A 1,500 sqft home priced at $283,141 is 23.23% more expensive per square foot than a 3,900 sqft home priced at $602,316. Home prices in Union, ME vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $416,989. Sellers who can wait longer may achieve a higher price of up to $509,653.

FAQ – Home Values in Union

What is the median home value in Union in 2026?

In 2026, the typical home value in Union is about $309,580 for an average home size of 1995 square feet. This corresponds to an average price of roughly $156 per square foot.

What is the average cost per square foot in Union?

In 2026, homes in Union sell for an average of around $156 per square foot, with a typical range between $137 and $137 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 Union is about 1995 square feet, with an estimated 2026 value around $309,580.



Locations close to Union, ME

Vinalhaven, ME251 $ / ft²
Warren, ME212 $ / ft²
Waterville, ME91 $ / ft²
Thomaston, ME214 $ / ft²
Tenants Harbor, ME304 $ / ft²
Spruce Head, ME414 $ / ft²
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