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Agricultural/Rural (General)Agriculture / Farming
$847,079$504 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

12505 RENNER RD

KEYMAR, MD 21757
2
Baths
1,680 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
45.97 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$847K
$736K low$958K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,236 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$470,100 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$441,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$527,300

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
79
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
88
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
37
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Agricultural/Rural (General)
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyFREDERICK
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Electric
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 1,344 ft²Patio · 120 ft²Porch · 145 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
New Midway/Woodsboro Elementary SchoolA-
Elementary · Grades KG–5 · 0.5 mi
M
Walkersville Middle SchoolA
Middle · Grades 6–8 · 6.6 mi
H
Walkersville High SchoolC+
High · Grades 9–12 · 7.1 mi

District: Frederick County Public Schools

Neighborhood · ZIP 21757These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.3,148
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.84 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,318
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,165
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

12505 Renner Rd measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Among the most valuable homes in Keymar 21757
  • Among the highest price per square foot in Keymar 21757
  • Smaller than 72% of homes in Frederick County
  • Among the largest lots in Frederick County
  • Older than 77% of homes in Frederick County

What homes are worth in Keymar 21757

Each bar is how many homes fall in that price range. The marker is this home.

This home
$179K$777K

This home is worth more than almost all homes in Keymar 21757.

How it measures up in Keymar 21757

The dot is this home. The mark in the middle is the typical home in Keymar 21757.

Estimated value$847,079
CheaperTypical $400,308Pricier

Pricier than almost all homes nearby

Price per ft²$504
CheaperTypical $235Pricier

Pricier than almost all homes nearby

Living area1,680 ft²
SmallerTypical 1,752 ft²Bigger

Bigger than 48% of homes nearby

Lot size45.97 ac
SmallerTypical 1.58 acBigger

Bigger than 94% of homes nearby

Year built1971
OlderTypical 1967Newer

Newer than 54% of homes nearby

How 12505 Renner Rd ranks against every home in each area.
MeasureThis homeKeymar 21757Frederick County
Estimated valuepricier than$847,079almost all homes92% of homes
Price per ft²pricier than$504almost all homesalmost all homes
Living areabigger than1,680 ft²48% of homes28% of homes
Lot sizebigger than45.97 ac94% of homesalmost all homes
Year builtnewer than197154% of homes23% of homes

About 12505 Renner Rd

How much is 12505 Renner Rd, Keymar, MD worth?

The TopHap Estimate for 12505 Renner Rd, Keymar, MD is $847,079 as of Jul 14, 2026. The likely range is $736,368 to $957,790. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12505 Renner Rd, Keymar, MD last sell?

12505 Renner Rd, Keymar, MD last sold on Nov 21, 2005, according to the county's recorded deed.

How big is 12505 Renner Rd, Keymar, MD?

12505 Renner Rd, Keymar, MD has 2 bathrooms and 1,680 square feet of living space.

When was 12505 Renner Rd, Keymar, MD built?

12505 Renner Rd, Keymar, MD was built in 1971, making it 55 years old. It is a conventional home. The building has 1 story.

What schools serve 12505 Renner Rd, Keymar, MD?

12505 Renner Rd, Keymar, MD is assigned to New Midway/Woodsboro Elementary School (elementary), rated A-; Walkersville Middle School (middle), rated A; Walkersville High School (high), rated C+. All sit in Frederick County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12505 Renner Rd, Keymar, MD compare to other homes in Keymar 21757?

Among the 904 homes in Keymar 21757, it is worth more than almost all of them ($847,079 against a typical $400,308), its price per square foot is higher than almost all of them ($504 against a typical $235), it is bigger than 48% of them (1,680 ft² against a typical 1,752 ft²), its lot is bigger than 94% of them (45.97 ac against a typical 1.58 ac) and it is newer than 54% of them (1971 against a typical 1967). Measured against all of Frederick County, it is worth more than 92% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 12505 Renner Rd, Keymar, MD?

The 2025 property tax bill for 12505 Renner Rd, Keymar, MD was $5,236. The county assessed it at $470,100.

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