Keymar 21757
Deed records through Jul 2026 · Quarterly intervals (lower sales volume)Counties take time to publish deeds, so the newest months can be incomplete and may shift as more records arrive.
Market Trends
Housing Stock
Equity & Ownership
CommunityThese are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Market metrics are derived from recorded arms-length deeds and refreshed nightly. Temperature blends price momentum, sales velocity, turnover and resale outcomes, ranked against all ZIP codes nationally.
How Keymar 21757 compares
By median home value, Keymar 21757 is the 17th most expensive of 23 ZIP codes in Frederick County, and its typical home is worth more than 35% of all homes in Frederick County.
Home values in Keymar 21757
Share of homes at each estimated value.
| # | Frederick County | Median value | Homes |
|---|---|---|---|
| 1 | Ijamsville 21754 | $679K | 2,502 |
| 2 | Frederick 21704 | $660K | 7,262 |
| 3 | Monrovia 21770 | $641K | 2,992 |
| 4 | Adamstown 21710 | $621K | 1,495 |
| 5 | Mount Airy 21771 | $616K | 10,659 |
| 6 | New Market 21774 | $592K | 6,554 |
| 7 | Jefferson 21755 | $570K | 2,158 |
| 8 | Middletown 21769 | $551K | 4,233 |
| 9 | Myersville 21773 | $516K | 2,071 |
| 10 | Woodsboro 21798 | $502K | 839 |
| 11 | Point of Rocks 21777 | $482K | 632 |
| 12 | Walkersville 21793 | $470K | 3,637 |
| 13 | Knoxville 21758 | $464K | 1,805 |
| 14 | Frederick 21702 | $448K | 15,012 |
| 15 | Frederick 21701 | $441K | 14,500 |
| 16 | Rocky Ridge 21778 | $434K | 411 |
| 17 | Keymar 21757 | $420K | 1,024 |
| 18 | Frederick 21703 | $409K | 13,460 |
| 19 | Brunswick 21716 | $400K | 3,098 |
| 20 | Thurmont 21788 | $390K | 4,322 |
| 21 | Sabillasville 21780 | $352K | 651 |
| 22 | Emmitsburg 21727 | $346K | 1,568 |
| 23 | Libertytown 21762 | $313K | 125 |
About the Keymar 21757 market
What is the median home price in Keymar 21757, MD?
The median sale price in Keymar 21757, MD is $576,667 (data through July 2026), based on deeds recorded with the county. That is up 63.2% from a year earlier.
How many homes sell in Keymar 21757, MD each year?
29 homes sold in Keymar 21757, MD over the last 12 months (data through July 2026). TopHap counts recorded arm's-length deeds, not listings, so the figure is not affected by which brokerage handled the sale.
Is Keymar 21757, MD a buyer's or seller's market?
Keymar 21757, MD is currently a seller's market, scoring 65 out of 100 on TopHap's market temperature index (data through July 2026). The score weighs sales velocity and price direction; above 60 favours sellers, below 40 favours buyers.
How many homes are there in Keymar 21757, MD?
Keymar 21757, MD contains 1,024 residential properties, with a median of 1,680 square feet, built around 1968. The median TopHap Estimate is $420K.
How does Keymar 21757, MD compare to the rest of Frederick County?
By median home value, Keymar 21757, MD is the 17th most expensive of 23 ZIP codes in Frederick County. Its typical home is worth more than 35% of all homes in Frederick County. Rocky Ridge 21778 ranks just above it and Frederick 21703 just below. The ranking is rebuilt nightly from the county assessor record of every home in each area.
Do people own or rent in Keymar 21757, MD?
86% of homes in Keymar 21757, MD are owner-occupied. 7% are held by a company rather than an individual.
How much equity do owners in Keymar 21757, MD hold?
46% of mortgaged homes in Keymar 21757, MD are equity-rich, meaning the loan balance is under half the home's value. 2.8% owe more than the home is worth.
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See every recorded sale, price heat map, school zone and flood overlay across Keymar 21757in TopHap’s interactive 3D map.
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