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Single Family ResidenceResidential
$541,695$246 / 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 $349,000 on Apr 24, 2017

8509 ROCKY SPRINGS RD

FREDERICK, MD 21702
3
Baths
2,204 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.
1.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$542K
$519K low$564K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$349,000 · Apr 24, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,205 (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.$425,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$153,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$271,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$385,133
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$425,400

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.55
64
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
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.
82
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.31 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
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Radiant
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Porch · 119 ft²Greenhouse

Transaction History(5)

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
Yellow Springs Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi
M
Monocacy Middle SchoolC
Middle · Grades 6–8 · 2.5 mi
H
Gov. Thomas Johnson High SchoolC
High · Grades 9–12 · 3.6 mi

District: Frederick County Public Schools

Neighborhood · ZIP 21702These 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.105
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 100.41

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.50,856
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,269 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,592
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,254
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

8509 Rocky Springs 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 66% of homes in Frederick 21702
  • Costs more per square foot than 70% of homes in Frederick 21702
  • Has a bigger lot than 92% of homes in Frederick 21702
  • Older than 94% of homes in Frederick 21702

What homes are worth in Frederick 21702

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

This home
$201K$972K

This home is worth more than 66% of homes in Frederick 21702.

How it measures up in Frederick 21702

The dot is this home. The mark in the middle is the typical home in Frederick 21702.

Estimated value$541,695
CheaperTypical $454,471Pricier

Pricier than 66% of homes nearby

Price per ft²$246
CheaperTypical $218Pricier

Pricier than 70% of homes nearby

Living area2,204 ft²
SmallerTypical 2,229 ft²Bigger

Bigger than 49% of homes nearby

Lot size1.5 ac
SmallerTypical 0.16 acBigger

Bigger than 92% of homes nearby

Year built1948
OlderTypical 1993Newer

Newer than 6% of homes nearby

How 8509 Rocky Springs Rd ranks against every home in each area.
MeasureThis homeFrederick 21702Frederick County
Estimated valuepricier than$541,69566% of homes60% of homes
Price per ft²pricier than$24670% of homes63% of homes
Living areabigger than2,204 ft²49% of homes51% of homes
Lot sizebigger than1.5 ac92% of homes85% of homes
Year builtnewer than19486% of homes14% of homes

About 8509 Rocky Springs Rd

How much is 8509 Rocky Springs Rd, Frederick, MD worth?

The TopHap Estimate for 8509 Rocky Springs Rd, Frederick, MD is $541,695 as of Sep 24, 2026. The likely range is $518,974 to $564,416. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8509 Rocky Springs Rd, Frederick, MD last sell?

8509 Rocky Springs Rd, Frederick, MD last sold on Apr 24, 2017 for $349,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 8509 Rocky Springs Rd, Frederick, MD?

8509 Rocky Springs Rd, Frederick, MD has 3 bathrooms and 2,204 square feet of living space.

When was 8509 Rocky Springs Rd, Frederick, MD built?

8509 Rocky Springs Rd, Frederick, MD was built in 1948, making it 78 years old. It is a conventional home. The building has 1 story.

What schools serve 8509 Rocky Springs Rd, Frederick, MD?

8509 Rocky Springs Rd, Frederick, MD is assigned to Yellow Springs Elementary School (elementary), rated A-; Monocacy Middle School (middle), rated C; Gov. Thomas Johnson 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 8509 Rocky Springs Rd, Frederick, MD compare to other homes in Frederick 21702?

Among the 15,542 homes in Frederick 21702, it is worth more than 66% of them ($541,695 against a typical $454,471), its price per square foot is higher than 70% of them ($246 against a typical $218), it is bigger than 49% of them (2,204 ft² against a typical 2,229 ft²), its lot is bigger than 92% of them (1.5 ac against a typical 0.16 ac) and it is newer than 6% of them (1948 against a typical 1993). Measured against all of Frederick County, it is worth more than 60% 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 8509 Rocky Springs Rd, Frederick, MD?

The 2025 property tax bill for 8509 Rocky Springs Rd, Frederick, MD was $4,205. The county assessed it at $425,400.

More homes on Rocky Springs Rd

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Assigned schools

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