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Single Family ResidenceResidential
$527,326$226 / 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 88How 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
Last sold for $369,900 on Dec 29, 2015

12438 RENNER RD

KEYMAR, MD 21757
2.5
Baths
2,330 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.
0.93 ac
Lot SizeThe size of the land the home sits on, from county records.
2015
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$527K
$465K low$589K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$369,900 · Dec 29, 2015
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$220,536
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$176,429
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.60%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$306,790
FREEDOM MORTGAGE CORP · recorded Jan 11, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,852 (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.$514,000 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$471,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$598,400

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.
78
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
86
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.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyFREDERICK
Lot (acres)The size of the land the home sits on, from county records.0.93
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Central
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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 · 0.7 mi
M
Walkersville Middle SchoolA
Middle · Grades 6–8 · 6.5 mi
H
Walkersville High SchoolC+
High · Grades 9–12 · 7.0 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

12438 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.

  • Worth more than 78% of homes in Keymar 21757
  • Bigger than 77% of homes in Keymar 21757
  • Has a bigger lot than 78% of homes in Frederick County
  • Newer than 95% of homes in Keymar 21757

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
$182K$802K

This home is worth more than 78% of 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$527,326
CheaperTypical $401,547Pricier

Pricier than 78% of homes nearby

Price per ft²$226
CheaperTypical $235Pricier

Pricier than 44% of homes nearby

Living area2,330 ft²
SmallerTypical 1,736 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.93 ac
SmallerTypical 1.58 acBigger

Bigger than 24% of homes nearby

Year built2015
OlderTypical 1968Newer

Newer than 95% of homes nearby

How 12438 Renner Rd ranks against every home in each area.
MeasureThis homeKeymar 21757Frederick County
Estimated valuepricier than$527,32678% of homes56% of homes
Price per ft²pricier than$22644% of homes50% of homes
Living areabigger than2,330 ft²77% of homes55% of homes
Lot sizebigger than0.93 ac24% of homes78% of homes
Year builtnewer than201595% of homes85% of homes

About 12438 Renner Rd

How much is 12438 Renner Rd, Keymar, MD worth?

The TopHap Estimate for 12438 Renner Rd, Keymar, MD is $527,326 as of Jul 14, 2026. The likely range is $465,445 to $589,207. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12438 Renner Rd, Keymar, MD last sell?

12438 Renner Rd, Keymar, MD last sold on Dec 29, 2015 for $369,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 12438 Renner Rd, Keymar, MD?

12438 Renner Rd, Keymar, MD has 2.5 bathrooms, 2,330 square feet of living space and a 0.93-acre lot.

When was 12438 Renner Rd, Keymar, MD built?

12438 Renner Rd, Keymar, MD was built in 2015, making it 11 years old. The building has 2 stories.

What schools serve 12438 Renner Rd, Keymar, MD?

12438 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 12438 Renner Rd, Keymar, MD compare to other homes in Keymar 21757?

Among the 904 homes in Keymar 21757, it is worth more than 78% of them ($527,326 against a typical $401,547), its price per square foot is higher than 44% of them ($226 against a typical $235), it is bigger than 77% of them (2,330 ft² against a typical 1,736 ft²), its lot is bigger than 24% of them (0.93 ac against a typical 1.58 ac) and it is newer than 95% of them (2015 against a typical 1968). Measured against all of Frederick County, it is worth more than 56% 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 12438 Renner Rd, Keymar, MD?

The 2025 property tax bill for 12438 Renner Rd, Keymar, MD was $5,852. The county assessed it at $514,000.

Closest homes

More homes in Keymar 21757

Assigned schools

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