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TownhouseResidential
$1,193,143
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
Last sold for $1,190,172 on Dec 9, 2025

4010 ODESSA SHANNON WAY

ROCKVILLE, MD 20850
0
Baths
1,680 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$1.2M
$1.1M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,190,172 · Dec 9, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,240 (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.$1,023,033 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$168,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,091,800

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.9
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
34
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.04
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Washington Grove Elementary SchoolC+
Elementary · Grades PK–5 · 1.0 mi
H
Gaithersburg High SchoolD
High · Grades 9–12 · 1.6 mi
M
Gaithersburg Middle SchoolD
Middle · Grades 6–8 · 1.9 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20850These 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.104
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 100.40

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.95%
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.7.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.51,693
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,703 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,425
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$154,183
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

4010 Odessa Shannon Way 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 93% of homes in Rockville
  • Has a smaller lot than 83% of homes in Montgomery County

What homes are worth in Rockville 20850

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

This home
$194K$1.7M

This home is worth more than 86% of homes in Rockville 20850.

How it measures up in Rockville 20850

The dot is this home. The mark in the middle is the typical home in Rockville 20850.

Estimated value$1,193,143
CheaperTypical $754,029Pricier

Pricier than 86% of homes nearby

Lot size1,680 ft²
SmallerTypical 4,138 ft²Bigger

Bigger than 25% of homes nearby

How 4010 Odessa Shannon Way ranks against every home in each area.
MeasureThis homeRockvilleRockville 20850Montgomery County
Estimated valuepricier than$1,193,14393% of homes86% of homes86% of homes
Lot sizebigger than1,680 ft²18% of homes25% of homes17% of homes

About 4010 Odessa Shannon Way

How much is 4010 Odessa Shannon Way, Rockville, MD worth?

The TopHap Estimate for 4010 Odessa Shannon Way, Rockville, MD is $1,193,143 as of Sep 24, 2026. The likely range is $1,117,300 to $1,268,986. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4010 Odessa Shannon Way, Rockville, MD last sell?

4010 Odessa Shannon Way, Rockville, MD last sold on Dec 9, 2025 for $1,190,172, according to the county's recorded deed.

What schools serve 4010 Odessa Shannon Way, Rockville, MD?

4010 Odessa Shannon Way, Rockville, MD is assigned to Washington Grove Elementary School (elementary), rated C+; Gaithersburg High School (high), rated D; Gaithersburg Middle School (middle), rated D. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4010 Odessa Shannon Way, Rockville, MD compare to other homes in Rockville 20850?

Among the 14,094 homes in Rockville 20850, it is worth more than 86% of them ($1,193,143 against a typical $754,029) and its lot is bigger than 25% of them (1,680 ft² against a typical 4,138 ft²). Measured against all of Montgomery County, it is worth more than 86% 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 4010 Odessa Shannon Way, Rockville, MD?

The 2025 property tax bill for 4010 Odessa Shannon Way, Rockville, MD was $2,240. The county assessed it at $1,023,033.

More homes on Odessa Shannon Way

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Assigned schools

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