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Single Family ResidenceResidential
$563,718$280 / 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 94How 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 $355,000 on May 4, 2017

621 SHIMMERING RUN CT

SYKESVILLE, MD 21784
2.5
Baths
2,016 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$564K
$532K low$596K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$355,000 · May 4, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$203 (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.$476,600 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$430,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$523,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.0.15
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.Yes
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.Deck · 252 ft²

Transaction History(4)

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.

M
Sykesville Middle SchoolA
Middle · Grades 6–8 · 0.6 mi
E
Piney Ridge Elementary SchoolB
Elementary · Grades PK–5 · 2.4 mi
H
Century High SchoolA-
High · Grades 9–12 · 4.1 mi

District: Carroll County Public Schools

Neighborhood · ZIP 21784These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
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.39,959
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.671 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$142,335
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$152,997
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

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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

621 Shimmering Run 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 more than 67% of homes in Carroll County
  • Costs less per square foot than 72% of homes in Sykesville 21784
  • Has a smaller lot than 87% of homes in Carroll County
  • Newer than 72% of homes in Carroll County

What homes are worth in Sykesville 21784

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

This home
$263K$1.2M

This home is worth more than 51% of homes in Sykesville 21784.

How it measures up in Sykesville 21784

The dot is this home. The mark in the middle is the typical home in Sykesville 21784.

Estimated value$563,718
CheaperTypical $557,641Pricier

Pricier than 51% of homes nearby

Price per ft²$280
CheaperTypical $309Pricier

Pricier than 28% of homes nearby

Living area2,016 ft²
SmallerTypical 1,884 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.15 ac
SmallerTypical 0.49 acBigger

Bigger than 14% of homes nearby

Year built1995
OlderTypical 1985Newer

Newer than 70% of homes nearby

How 621 Shimmering Run Ct ranks against every home in each area.
MeasureThis homeSykesville 21784Carroll County
Estimated valuepricier than$563,71851% of homes67% of homes
Price per ft²pricier than$28028% of homes56% of homes
Living areabigger than2,016 ft²57% of homes61% of homes
Lot sizebigger than0.15 ac14% of homes13% of homes
Year builtnewer than199570% of homes72% of homes

About 621 Shimmering Run Ct

How much is 621 Shimmering Run Ct, Sykesville, MD worth?

The TopHap Estimate for 621 Shimmering Run Ct, Sykesville, MD is $563,718 as of Jul 14, 2026. The likely range is $531,523 to $595,913. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 621 Shimmering Run Ct, Sykesville, MD last sell?

621 Shimmering Run Ct, Sykesville, MD last sold on May 4, 2017 for $355,000, according to the county's recorded deed.

How big is 621 Shimmering Run Ct, Sykesville, MD?

621 Shimmering Run Ct, Sykesville, MD has 2.5 bathrooms, 2,016 square feet of living space and a 0.15-acre lot.

When was 621 Shimmering Run Ct, Sykesville, MD built?

621 Shimmering Run Ct, Sykesville, MD was built in 1995, making it 31 years old. The building has 2 stories.

What schools serve 621 Shimmering Run Ct, Sykesville, MD?

621 Shimmering Run Ct, Sykesville, MD is assigned to Sykesville Middle School (middle), rated A; Piney Ridge Elementary School (elementary), rated B; Century High School (high), rated A-. All sit in Carroll County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 621 Shimmering Run Ct, Sykesville, MD compare to other homes in Sykesville 21784?

Among the 13,476 homes in Sykesville 21784, it is worth more than 51% of them ($563,718 against a typical $557,641), its price per square foot is higher than 28% of them ($280 against a typical $309), it is bigger than 57% of them (2,016 ft² against a typical 1,884 ft²), its lot is bigger than 14% of them (0.15 ac against a typical 0.49 ac) and it is newer than 70% of them (1995 against a typical 1985). Measured against all of Carroll County, it is worth more than 67% 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 621 Shimmering Run Ct, Sykesville, MD?

The 2025 property tax bill for 621 Shimmering Run Ct, Sykesville, MD was $203. The county assessed it at $476,600.

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