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TownhouseResidential
$271,774$243 / 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 92How 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 $92,000 on Dec 29, 1995

521 RIGGS CT

FREDERICK, MD 21703
1.5
Baths
1,120 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.
1,800 ft²
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$272K
$249K low$294K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$92,000 · Dec 29, 1995
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.$271,774
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$217,419

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,195 (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.$243,733 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$225,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$281,200

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.41
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.
80
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
79
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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyFREDERICK
Lot (acres)The size of the land the home sits on, from county records.0.04
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
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.Deck · 72 ft²

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

E
Hillcrest Elementary SchoolC-
Elementary · Grades KG–5 · 0.1 mi
M
West Frederick Middle SchoolB
Middle · Grades 6–8 · 1.4 mi
H
Frederick High SchoolC-
High · Grades 9–12 · 1.5 mi

District: Frederick County Public Schools

Neighborhood · ZIP 21703These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.75
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
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.45,993
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,353 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,724
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,227
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

521 Riggs Ct 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 less than 94% of homes in Frederick 21703
  • Costs more per square foot than 69% of homes in Frederick 21703
  • Smaller than 94% of homes in Frederick 21703
  • Has a smaller lot than 86% of homes in Frederick County
  • Older than 81% of homes in Frederick 21703

What homes are worth in Frederick 21703

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

This home
$244K$837K

This home is worth more than 6% of homes in Frederick 21703.

How it measures up in Frederick 21703

The dot is this home. The mark in the middle is the typical home in Frederick 21703.

Estimated value$271,774
CheaperTypical $408,208Pricier

Pricier than 6% of homes nearby

Price per ft²$243
CheaperTypical $216Pricier

Pricier than 69% of homes nearby

Living area1,120 ft²
SmallerTypical 1,960 ft²Bigger

Bigger than 6% of homes nearby

Lot size1,800 ft²
SmallerTypical 2,483 ft²Bigger

Bigger than 35% of homes nearby

Year built1983
OlderTypical 1993Newer

Newer than 19% of homes nearby

How 521 Riggs Ct ranks against every home in each area.
MeasureThis homeFrederick 21703Frederick County
Estimated valuepricier than$271,7746% of homes6% of homes
Price per ft²pricier than$24369% of homes61% of homes
Living areabigger than1,120 ft²6% of homes6% of homes
Lot sizebigger than1,800 ft²35% of homes14% of homes
Year builtnewer than198319% of homes37% of homes

About 521 Riggs Ct

How much is 521 Riggs Ct, Frederick, MD worth?

The TopHap Estimate for 521 Riggs Ct, Frederick, MD is $271,774 as of Jul 14, 2026. The likely range is $249,351 to $294,197. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Riggs Ct, Frederick, MD last sell?

521 Riggs Ct, Frederick, MD last sold on Dec 29, 1995 for $92,000, according to the county's recorded deed.

How big is 521 Riggs Ct, Frederick, MD?

521 Riggs Ct, Frederick, MD has 1.5 bathrooms, 1,120 square feet of living space and a 0.04-acre lot.

When was 521 Riggs Ct, Frederick, MD built?

521 Riggs Ct, Frederick, MD was built in 1983, making it 43 years old. It is a townhouse home. The building has 2 stories.

What schools serve 521 Riggs Ct, Frederick, MD?

521 Riggs Ct, Frederick, MD is assigned to Hillcrest Elementary School (elementary), rated C-; West Frederick Middle School (middle), rated B; Frederick 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 521 Riggs Ct, Frederick, MD compare to other homes in Frederick 21703?

Among the 13,493 homes in Frederick 21703, it is worth more than 6% of them ($271,774 against a typical $408,208), its price per square foot is higher than 69% of them ($243 against a typical $216), it is bigger than 6% of them (1,120 ft² against a typical 1,960 ft²), its lot is bigger than 35% of them (1,800 ft² against a typical 2,483 ft²) and it is newer than 19% of them (1983 against a typical 1993). Measured against all of Frederick County, it is worth more than 6% 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 521 Riggs Ct, Frederick, MD?

The 2025 property tax bill for 521 Riggs Ct, Frederick, MD was $4,195. The county assessed it at $243,733.

Closest homes

More homes in Frederick 21703

Assigned schools

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