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Single Family ResidenceResidential
$1,332,954$370 / 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 93How 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 $775,000 on Dec 31, 2019

3647 SYCAMORE VALLEY RUN

GLENWOOD, MD 21738
4.5
Baths
3,601 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.
3.86 ac
Lot SizeThe size of the land the home sits on, from county records.
1996
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.2M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$775,000 · Dec 31, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,870 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1,043,233 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$966,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,196,700

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.16 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.11%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

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
CountyHOWARD
Lot (acres)The size of the land the home sits on, from county records.3.86
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.Forced Air With Air Conditioning
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.Mixed
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 · 40 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

H
Glenelg High SchoolA-
High · Grades 9–12 · 1.6 mi
M
Glenwood Middle SchoolA+
Middle · Grades 6–8 · 1.9 mi
E
Bushy Park Elementary SchoolA+
Elementary · Grades PK–5 · 2.3 mi

District: Howard County Public Schools

Neighborhood · ZIP 21738These 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.32
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.43

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.2,482
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.339 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$243,622
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$288,093
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%

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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

3647 Sycamore Valley Run 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 95% of homes in Howard County
  • Costs more per square foot than 84% of homes in Howard County
  • Bigger than 90% of homes in Howard County
  • Has a bigger lot than 93% of homes in Howard County
  • Newer than 66% of homes in Howard County

What homes are worth in Glenwood 21738

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

This home
$567K$2M

This home is worth more than 78% of homes in Glenwood 21738.

How it measures up in Glenwood 21738

The dot is this home. The mark in the middle is the typical home in Glenwood 21738.

Estimated value$1,332,954
CheaperTypical $1,011,082Pricier

Pricier than 78% of homes nearby

Price per ft²$370
CheaperTypical $329Pricier

Pricier than 78% of homes nearby

Living area3,601 ft²
SmallerTypical 3,132 ft²Bigger

Bigger than 65% of homes nearby

Lot size3.86 ac
SmallerTypical 1.3 acBigger

Bigger than 87% of homes nearby

Year built1996
OlderTypical 1995Newer

Newer than 56% of homes nearby

How 3647 Sycamore Valley Run ranks against every home in each area.
MeasureThis homeGlenwoodGlenwood 21738Howard County
Estimated valuepricier than$1,332,95471% of homes78% of homes95% of homes
Price per ft²pricier than$37079% of homes78% of homes84% of homes
Living areabigger than3,601 ft²58% of homes65% of homes90% of homes
Lot sizebigger than3.86 ac87% of homes87% of homes93% of homes
Year builtnewer than199651% of homes56% of homes66% of homes

About 3647 Sycamore Valley Run

How much is 3647 Sycamore Valley Run, Glenwood, MD worth?

The TopHap Estimate for 3647 Sycamore Valley Run, Glenwood, MD is $1,332,954 as of Sep 24, 2026. The likely range is $1,243,951 to $1,421,957. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3647 Sycamore Valley Run, Glenwood, MD last sell?

3647 Sycamore Valley Run, Glenwood, MD last sold on Dec 31, 2019 for $775,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3647 Sycamore Valley Run, Glenwood, MD?

3647 Sycamore Valley Run, Glenwood, MD has 4.5 bathrooms, 3,601 square feet of living space and a 3.86-acre lot.

When was 3647 Sycamore Valley Run, Glenwood, MD built?

3647 Sycamore Valley Run, Glenwood, MD was built in 1996, making it 30 years old. The building has 2 stories.

What schools serve 3647 Sycamore Valley Run, Glenwood, MD?

3647 Sycamore Valley Run, Glenwood, MD is assigned to Glenelg High School (high), rated A-; Glenwood Middle School (middle), rated A+; Bushy Park Elementary School (elementary), rated A+. All sit in Howard County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3647 Sycamore Valley Run, Glenwood, MD compare to other homes in Glenwood 21738?

Among the 1,140 homes in Glenwood 21738, it is worth more than 78% of them ($1,332,954 against a typical $1,011,082), its price per square foot is higher than 78% of them ($370 against a typical $329), it is bigger than 65% of them (3,601 ft² against a typical 3,132 ft²), its lot is bigger than 87% of them (3.86 ac against a typical 1.3 ac) and it is newer than 56% of them (1996 against a typical 1995). Measured against all of Howard County, it is worth more than 95% 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 3647 Sycamore Valley Run, Glenwood, MD?

The 2026 property tax bill for 3647 Sycamore Valley Run, Glenwood, MD was $14,870. The county assessed it at $1,043,233.

More homes on Sycamore Valley Run

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More homes in Glenwood 21738

Assigned schools

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