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Single Family ResidenceResidential
$348,755$311 / 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 Oct 21, 2026
Last sold for $109,586 on Nov 3, 2006

21619 SLIDELL RD

BOYDS, MD 20841
1
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.
5 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$349K
$334K low$364K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$109,586 · Nov 3, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,526 (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.$262,267 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$241,833
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$282,700

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.Bi-Level
CountyMONTGOMERY
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Space
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
William B. Gibbs Jr. Elementary SchoolA-
Elementary · Grades PK–5 · 3.6 mi
H
Seneca Valley High SchoolC
High · Grades 9–12 · 4.2 mi
M
Neelsville Middle SchoolC-
Middle · Grades 6–8 · 4.8 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20841These 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.34
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.4%
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.14,427
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.464 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$163,918
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$191,175
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

21619 Slidell 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 less than 94% of homes in Boyds
  • Costs more per square foot than 88% of homes in Boyds 20841
  • Smaller than 95% of homes in Boyds
  • Among the largest lots in Montgomery County
  • Among the oldest homes in Montgomery County

What homes are worth in Boyds 20841

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

This home
$240K$1.2M

This home is worth more than 7% of homes in Boyds 20841.

How it measures up in Boyds 20841

The dot is this home. The mark in the middle is the typical home in Boyds 20841.

Estimated value$348,755
CheaperTypical $866,869Pricier

Pricier than 7% of homes nearby

Price per ft²$311
CheaperTypical $248Pricier

Pricier than 88% of homes nearby

Living area1,120 ft²
SmallerTypical 3,392 ft²Bigger

Bigger than 5% of homes nearby

Lot size5 ac
SmallerTypical 0.21 acBigger

Bigger than 97% of homes nearby

Year built1900
OlderTypical 2002Newer

Newer than 2% of homes nearby

How 21619 Slidell Rd ranks against every home in each area.
MeasureThis homeBoydsBoyds 20841Montgomery County
Estimated valuepricier than$348,7556% of homes7% of homes14% of homes
Price per ft²pricier than$31174% of homes88% of homes54% of homes
Living areabigger than1,120 ft²5% of homes5% of homes13% of homes
Lot sizebigger than5 ac88% of homes97% of homesalmost all homes
Year builtnewer than19007% of homes2% of homesalmost no homes

About 21619 Slidell Rd

How much is 21619 Slidell Rd, Boyds, MD worth?

The TopHap Estimate for 21619 Slidell Rd, Boyds, MD is $348,755 as of Oct 21, 2026. The likely range is $333,722 to $363,788. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21619 Slidell Rd, Boyds, MD last sell?

21619 Slidell Rd, Boyds, MD last sold on Nov 3, 2006 for $109,586, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21619 Slidell Rd, Boyds, MD?

21619 Slidell Rd, Boyds, MD has 1 bathrooms and 1,120 square feet of living space.

When was 21619 Slidell Rd, Boyds, MD built?

21619 Slidell Rd, Boyds, MD was built in 1900, making it 126 years old. It is a bi-level home. The building has 2 stories.

What schools serve 21619 Slidell Rd, Boyds, MD?

21619 Slidell Rd, Boyds, MD is assigned to William B. Gibbs Jr. Elementary School (elementary), rated A-; Seneca Valley High School (high), rated C; Neelsville Middle School (middle), rated C-. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21619 Slidell Rd, Boyds, MD compare to other homes in Boyds 20841?

Among the 3,098 homes in Boyds 20841, it is worth more than 7% of them ($348,755 against a typical $866,869), its price per square foot is higher than 88% of them ($311 against a typical $248), it is bigger than 5% of them (1,120 ft² against a typical 3,392 ft²), its lot is bigger than 97% of them (5 ac against a typical 0.21 ac) and it is newer than 2% of them (1900 against a typical 2002). Measured against all of Montgomery County, it is worth more than 14% 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 21619 Slidell Rd, Boyds, MD?

The 2025 property tax bill for 21619 Slidell Rd, Boyds, MD was $3,526. The county assessed it at $262,267.

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