Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$473,356$293 / 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 Sep 24, 2026

9576 PATCHIN CT

COLUMBIA, MD 21045
2.5
Baths
1,616 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$473K
$445K low$502K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,660 (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.$395,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$180,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$215,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$371,067
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$395,300

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.48 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.minimal

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.0.12
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
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 · 288 ft²Porch · 280 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.

E
Stevens Forest Elementary SchoolC+
Elementary · Grades PK–5 · 0.4 mi
M
Oakland Mills Middle SchoolC
Middle · Grades 6–8 · 0.5 mi
H
Oakland Mills High SchoolC+
High · Grades 9–12 · 0.7 mi

District: Howard County Public Schools

Neighborhood · ZIP 21045These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.6%
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.40,881
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,128 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,208
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,105
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

Do you own this home?
Claim this home

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

9576 Patchin 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 73% of homes in Howard County
  • Smaller than 67% of homes in Howard County
  • Has a smaller lot than 79% of homes in Oakland Mills
  • Newer than 95% of homes in Oakland Mills

What homes are worth in Columbia 21045

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

This home
$185K$758K

This home is worth more than 49% of homes in Columbia 21045.

How it measures up in Columbia 21045

The dot is this home. The mark in the middle is the typical home in Columbia 21045.

Estimated value$473,356
CheaperTypical $476,664Pricier

Pricier than 49% of homes nearby

Price per ft²$293
CheaperTypical $288Pricier

Pricier than 54% of homes nearby

Living area1,616 ft²
SmallerTypical 1,548 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.11 ac
SmallerTypical 0.2 acBigger

Bigger than 33% of homes nearby

Year built1973
OlderTypical 1977Newer

Newer than 33% of homes nearby

How 9576 Patchin Ct ranks against every home in each area.
MeasureThis homeOakland MillsColumbia 21045Howard County
Estimated valuepricier than$473,35646% of homes49% of homes27% of homes
Price per ft²pricier than$29346% of homes54% of homes40% of homes
Living areabigger than1,616 ft²60% of homes56% of homes33% of homes
Lot sizebigger than0.11 ac21% of homes33% of homes22% of homes
Year builtnewer than197395% of homes33% of homes18% of homes

About 9576 Patchin Ct

How much is 9576 Patchin Ct, Columbia, MD worth?

The TopHap Estimate for 9576 Patchin Ct, Columbia, MD is $473,356 as of Sep 24, 2026. The likely range is $444,512 to $502,200. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9576 Patchin Ct, Columbia, MD last sell?

9576 Patchin Ct, Columbia, MD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 9576 Patchin Ct, Columbia, MD?

9576 Patchin Ct, Columbia, MD has 2.5 bathrooms, 1,616 square feet of living space and a 0.12-acre lot.

When was 9576 Patchin Ct, Columbia, MD built?

9576 Patchin Ct, Columbia, MD was built in 1973, making it 53 years old. The building has 2 stories.

What schools serve 9576 Patchin Ct, Columbia, MD?

9576 Patchin Ct, Columbia, MD is assigned to Stevens Forest Elementary School (elementary), rated C+; Oakland Mills Middle School (middle), rated C; Oakland Mills High School (high), rated C+. All sit in Howard County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9576 Patchin Ct, Columbia, MD compare to other homes in Columbia 21045?

Among the 12,651 homes in Columbia 21045, it is worth more than 49% of them ($473,356 against a typical $476,664), its price per square foot is higher than 54% of them ($293 against a typical $288), it is bigger than 56% of them (1,616 ft² against a typical 1,548 ft²), its lot is bigger than 33% of them (0.11 ac against a typical 0.2 ac) and it is newer than 33% of them (1973 against a typical 1977). Measured against all of Howard County, it is worth more than 27% 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 9576 Patchin Ct, Columbia, MD?

The 2026 property tax bill for 9576 Patchin Ct, Columbia, MD was $5,660. The county assessed it at $395,300.

More homes on Patchin Ct

Closest homes

More homes in Columbia 21045

Assigned schools

Explore the area

See this home in context

Open 9576 Patchin Ct on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map