House Prices

House Prices & Home Values Keymar, MD 2026


Average Data

average house price$872,500
average size per house3398 ft²
average price per ft²257 $ / ft²

06/19/2026 - The value range (VR) for house prices in Keymar, MD is $205/ sqft to $205/ sqft. An average home with 3398 sqft costs approximately $696,590 to $696,590. Keymar, MD includes 1 ZIP codes and it is located in Frederick county. The lowest prices are found in ZIP 21757, while the highest are in ZIP 21757. The average price per sqare feet is $257. Our analysis is based on 2 property listings.

Avergage prices by ZIP codes Keymar

21757220 $ / ft²




Historical development of home values in Keymar

Year Estimated value (USD) Change vs. 2025
2010 $405,205 -53.6%
2011 $389,535 -55.4%
2012 $388,487 -55.5%
2013 $403,007 -53.8%
2014 $423,047 -51.5%
2015 $444,759 -49.0%
2016 $467,969 -46.4%
2017 $493,228 -43.5%
2018 $520,496 -40.3%
2019 $544,630 -37.6%
2020 $572,785 -34.4%
2021 $651,481 -25.3%
2022 $759,481 -13.0%
2023 $800,908 -8.2%
2024 $847,242 -2.9%
2025 $872,500 0.0%

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



Example: 100% financing house in Keymar

Loan amount: $872,500

Interest rate: 6.00%

Fixed monthly payment: $5,231.08

Breakdown in the 1st month:
Interest portion: $4,362.50  –  Principal portion: $868.58

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $52,058.54 $10,714.40 $861,785.60
2 $51,397.70 $11,375.24 $850,410.35
3 $50,696.10 $12,076.84 $838,333.51
4 $49,951.22 $12,821.72 $825,511.80
5 $49,160.41 $13,612.53 $811,899.26
6 $48,320.82 $14,452.12 $797,447.14
7 $47,429.44 $15,343.50 $782,103.64
8 $46,483.09 $16,289.85 $765,813.79
9 $45,478.37 $17,294.57 $748,519.22
10 $44,411.67 $18,361.27 $730,157.95
11 $43,279.19 $19,493.75 $710,664.20
12 $42,076.86 $20,696.08 $689,968.12
13 $40,800.37 $21,972.57 $667,995.55
14 $39,445.15 $23,327.79 $644,667.76
15 $38,006.34 $24,766.60 $619,901.17
16 $36,478.79 $26,294.15 $593,607.02
17 $34,857.03 $27,915.91 $565,691.11
18 $33,135.24 $29,637.70 $536,053.41
19 $31,307.25 $31,465.69 $504,587.72
20 $29,366.51 $33,406.43 $471,181.29
21 $27,306.08 $35,466.86 $435,714.43
22 $25,118.56 $37,654.38 $398,060.05
23 $22,796.12 $39,976.82 $358,083.23
24 $20,330.44 $42,442.50 $315,640.72
25 $17,712.68 $45,060.26 $270,580.46
26 $14,933.46 $47,839.48 $222,740.98
27 $11,982.82 $50,790.12 $171,950.86
28 $8,850.20 $53,922.74 $118,028.12
29 $5,524.36 $57,248.58 $60,779.54
30 $1,993.40 $60,779.54 $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 Keymar, MD


1500 sqft3900 sqft
Ø selling price$466,456$992,278
Ø fast selling$424,051$893,050
Ø high price sale$508,861$1,091,505

In 2026, houses in Keymar, MD will be offered at an average price of $257 per square foot. A 1,500 sqft home priced at $466,456 is 24.66% more expensive per square foot than a 3,900 sqft home priced at $992,278. Home prices in Keymar, MD vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $686,961. Sellers who can wait longer may achieve a higher price of up to $839,620.


Discover Keymar, MD

Location and Lifestyle

Nestled in northern Carroll County, Keymar, MD is a quiet rural community known for wide skies, working farms, and easy access to nearby towns.
Its central location places residents within a short drive of Taneytown, Westminster, and Frederick, making commuting and day trips simple.
With scenic byways and low traffic, Keymar offers a slower pace that appeals to families, retirees, and remote workers seeking space and value.

Attractions and Nature

Outdoor enthusiasts enjoy rolling fields, equestrian trails, and access to nearby parks like Union Mills Homestead and the Monocacy River corridor.
Seasonal farm markets showcase locally grown produce, dairy, and crafts, giving visitors a taste of Carroll County agriculture.
Photographers love sunrise vistas over cornfields and historic barns that reflect Keymar?s agrarian heritage.

Housing and Local Business

Real estate in Keymar, Maryland ranges from classic farmhouses and small-acreage properties to buildable lots with panoramic country views.
Local businesses, repair shops, and farm suppliers support the community, while larger retail and dining options are close by in Mount Airy and Westminster.

History and Practical Info

Rooted in 19th-century railroad history, the area retains a small-town character shaped by agriculture and neighborly traditions.
Whether you are exploring things to do, planning a scenic drive, or researching relocation, Keymar, MD delivers peaceful living with authentic Maryland charm.



FAQ – Home Values in Keymar

What is the median home value in Keymar in 2026?

In 2026, the typical home value in Keymar is about $872,500 for an average home size of 3398 square feet. This corresponds to an average price of roughly $257 per square foot.

What is the average cost per square foot in Keymar?

In 2026, homes in Keymar sell for an average of around $257 per square foot, with a typical range between $205 and $205 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 Keymar is about 3398 square feet, with an estimated 2026 value around $872,500.



Locations close to Keymar, MD

Knoxville, MD205 $ / ft²
Libertytown, MD224 $ / ft²
Little Orleans, MD241 $ / ft²
Keedysville, MD214 $ / ft²
Jefferson, MD219 $ / ft²
Ijamsville, MD192 $ / ft²
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