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Single Family ResidenceResidential
$643,961$260 / 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 Aug 30, 2026
Last sold for $141,100 on Aug 12, 1986

9414 BOOK ROW

COLUMBIA, MD 21046
2.5
Baths
2,478 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$644K
$618K low$670K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$141,100 · Aug 12, 1986

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,363 (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.$540,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$233,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$307,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$505,333
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$540,700

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.Split Level
CountyHOWARD
Lot (acres)The size of the land the home sits on, from county records.0.21
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.Garage, Built-in
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 · 90 ft²Porch · 30 ft²

Transaction History(1)

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
Patuxent Middle SchoolB-
Middle · Grades 6–8 · 0.8 mi
E
Bollman Bridge Elementary SchoolC
Elementary · Grades PK–5 · 0.8 mi
H
Hammond High SchoolB+
High · Grades 9–12 · 1.5 mi

District: Howard County Public Schools

Neighborhood · ZIP 21046These 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.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.39

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.6.2%
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.16,201
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,043 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,219
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,930
Average tempThe average temperature here across a full year.55°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

9414 Book Row 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 75% of homes in Columbia 21046
  • Costs less per square foot than 84% of homes in Columbia 21046
  • Bigger than 93% of homes in Columbia 21046
  • Has a smaller lot than 65% of homes in Howard County
  • Older than 71% of homes in Columbia 21046

What homes are worth in Columbia 21046

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

This home
$256K$842K

This home is worth more than 75% of homes in Columbia 21046.

How it measures up in Columbia 21046

The dot is this home. The mark in the middle is the typical home in Columbia 21046.

Estimated value$643,961
CheaperTypical $515,043Pricier

Pricier than 75% of homes nearby

Price per ft²$260
CheaperTypical $306Pricier

Pricier than 16% of homes nearby

Living area2,478 ft²
SmallerTypical 1,656 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.21 ac
SmallerTypical 0.2 acBigger

Bigger than 52% of homes nearby

Year built1981
OlderTypical 1984Newer

Newer than 29% of homes nearby

How 9414 Book Row ranks against every home in each area.
MeasureThis homeKings ContrivanceColumbia 21046Howard County
Estimated valuepricier than$643,96172% of homes75% of homes53% of homes
Price per ft²pricier than$26018% of homes16% of homes19% of homes
Living areabigger than2,478 ft²92% of homes93% of homes67% of homes
Lot sizebigger than0.21 ac52% of homes52% of homes35% of homes
Year builtnewer than198130% of homes29% of homes31% of homes

About 9414 Book Row

How much is 9414 Book Row, Columbia, MD worth?

The TopHap Estimate for 9414 Book Row, Columbia, MD is $643,961 as of Aug 30, 2026. The likely range is $618,094 to $669,828. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9414 Book Row, Columbia, MD last sell?

9414 Book Row, Columbia, MD last sold on Aug 12, 1986 for $141,100, according to the county's recorded deed.

How big is 9414 Book Row, Columbia, MD?

9414 Book Row, Columbia, MD has 2.5 bathrooms, 2,478 square feet of living space and a 0.21-acre lot.

When was 9414 Book Row, Columbia, MD built?

9414 Book Row, Columbia, MD was built in 1981, making it 45 years old. It is a split level home. The building has 2 stories.

What schools serve 9414 Book Row, Columbia, MD?

9414 Book Row, Columbia, MD is assigned to Patuxent Middle School (middle), rated B-; Bollman Bridge Elementary School (elementary), rated C; Hammond High School (high), rated B+. All sit in Howard County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9414 Book Row, Columbia, MD compare to other homes in Columbia 21046?

Among the 5,058 homes in Columbia 21046, it is worth more than 75% of them ($643,961 against a typical $515,043), its price per square foot is higher than 16% of them ($260 against a typical $306), it is bigger than 93% of them (2,478 ft² against a typical 1,656 ft²), its lot is bigger than 52% of them (0.21 ac against a typical 0.2 ac) and it is newer than 29% of them (1981 against a typical 1984). Measured against all of Howard County, it is worth more than 53% 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 9414 Book Row, Columbia, MD?

The 2026 property tax bill for 9414 Book Row, Columbia, MD was $7,363. The county assessed it at $540,700.

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