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Single Family ResidenceResidential
$489,327$218 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $325,000 on Oct 23, 2018

11909 RENNER RD

KEYMAR, MD 21757
1.5
Baths
2,240 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.
2.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$489K
$467K low$511K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$325,000 · Oct 23, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,670 (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.$404,767 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$378,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$456,700

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.54
60
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
11
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.25 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
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, Attached
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.Patio · 350 ft²Porch · 375 ft²

Transaction History(1)

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 SchoolB+
Elementary · Grades KG–5 · 1.4 mi
M
Walkersville Middle SchoolB+
Middle · Grades 6–8 · 6.0 mi
H
Walkersville High SchoolB-
High · Grades 9–12 · 6.5 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

11909 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 76% of homes in Keymar 21757
  • Bigger than 74% of homes in Keymar 21757
  • Has a bigger lot than 90% of homes in Frederick County
  • Older than 70% 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
$187K$783K

This home is worth more than 76% 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$489,327
CheaperTypical $377,782Pricier

Pricier than 76% of homes nearby

Price per ft²$218
CheaperTypical $225Pricier

Pricier than 44% of homes nearby

Living area2,240 ft²
SmallerTypical 1,752 ft²Bigger

Bigger than 74% of homes nearby

Lot size2.4 ac
SmallerTypical 1.57 acBigger

Bigger than 64% of homes nearby

Year built1977
OlderTypical 1969Newer

Newer than 62% of homes nearby

How 11909 Renner Rd ranks against every home in each area.
MeasureThis homeKeymar 21757Frederick County
Estimated valuepricier than$489,32776% of homes51% of homes
Price per ft²pricier than$21844% of homes42% of homes
Living areabigger than2,240 ft²74% of homes52% of homes
Lot sizebigger than2.4 ac64% of homes90% of homes
Year builtnewer than197762% of homes30% of homes

About 11909 Renner Rd

How much is 11909 Renner Rd, Keymar, MD worth?

The TopHap Estimate for 11909 Renner Rd, Keymar, MD is $489,327 as of Sep 24, 2026. The likely range is $467,394 to $511,260. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11909 Renner Rd, Keymar, MD last sell?

11909 Renner Rd, Keymar, MD last sold on Oct 23, 2018 for $325,000, according to the county's recorded deed.

How big is 11909 Renner Rd, Keymar, MD?

11909 Renner Rd, Keymar, MD has 1.5 bathrooms and 2,240 square feet of living space.

When was 11909 Renner Rd, Keymar, MD built?

11909 Renner Rd, Keymar, MD was built in 1977, making it 49 years old. It is a conventional home. The building has 1 story.

What schools serve 11909 Renner Rd, Keymar, MD?

11909 Renner Rd, Keymar, MD is assigned to New Midway/Woodsboro Elementary School (elementary), rated B+; Walkersville Middle School (middle), rated B+; Walkersville High School (high), rated B-. All sit in Frederick County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11909 Renner Rd, Keymar, MD compare to other homes in Keymar 21757?

Among the 908 homes in Keymar 21757, it is worth more than 76% of them ($489,327 against a typical $377,782), its price per square foot is higher than 44% of them ($218 against a typical $225), it is bigger than 74% of them (2,240 ft² against a typical 1,752 ft²), its lot is bigger than 64% of them (2.4 ac against a typical 1.57 ac) and it is newer than 62% of them (1977 against a typical 1969). Measured against all of Frederick County, it is worth more than 51% 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 11909 Renner Rd, Keymar, MD?

The 2025 property tax bill for 11909 Renner Rd, Keymar, MD was $4,670. The county assessed it at $404,767.

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