0
Baths
2025
Year BuiltThe year the home was originally built, according to county records.
Tax & Assessment
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$210,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$63,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$147,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$210,000
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMONTGOMERY
PoolWhether the property has a pool, and what kind, such as in-ground.No
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%
Owner Tools
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Claim this homeData 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
10020 Blackwell 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.
- Among the newest homes in Rockville
How it measures up in Rockville 20850
The dot is this home. The mark in the middle is the typical home in Rockville 20850.
Year built2025
OlderTypical 1991Newer
Newer than almost all homes nearby
| Measure | This home | Rockville | Rockville 20850 | Montgomery County |
|---|---|---|---|---|
| Year builtnewer than | 2025 | almost all homes | almost all homes | almost all homes |
More homes on Blackwell Rd
- 9405 Blackwell Rd # 301$914K3,073 ft² · Sold $1M · Sep 2026
- 9405 Blackwell Rd # 307$459K1,395 ft² · Sold $462K · Jun 2026
- 9405 Blackwell Rd # 214$555K1,664 ft² · Sold $596K · Jun 2026
- 10044 Blackwell Rd # 1$214KCondominium · Sold $214K · Jan 2026
- 9405 Blackwell Rd # 305$583K1,704 ft² · Sold $630K · Jan 2026
- 10044 Blackwell Rd # 2$245KCondominium · Sold $246K · Dec 2025
- 10042 Blackwell Rd # 2$242KCondominium · Sold $246K · Dec 2025
- 10040 Blackwell Rd # 1Condominium · Sold $218K · Dec 2025
- 10040 Blackwell Rd # 2Condominium · Sold $250K · Dec 2025
- 10048 Blackwell Rd # 2Condominium · Sold $254K · Dec 2025
- 10048 Blackwell Rd # 1Condominium · Sold $218K · Dec 2025
- 10042 Blackwell Rd # 1$211KCondominium · Sold $214K · Dec 2025
Closest homes
- 10020 Blackwell Rd0 ft · Condominium · Sold Jan 1900
- 10026 Blackwell Rd$618K1 ft · Condominium · Sold $734K · Aug 2024
- 10028 Blackwell Rd$719K1 ft · Condominium · Sold $689K · Aug 2024
- 10026 Blackwell Rd$503K1 ft · Condominium · Sold $702K · Aug 2024
- 10030 Blackwell Rd$733K1 ft · Condominium · Sold $750K · Apr 2025
- 10022 Blackwell Rd$689K1 ft · Condominium · Sold $733K · Sep 2024
- 10030 Blackwell Rd$790K1 ft · Condominium · Sold $810K · Feb 2025
- 10024 Blackwell Rd$719K1 ft · Condominium · Sold $706K · Mar 2025
More homes in Rockville 20850
- 303 Redland Blvd$500K1,583 ft² · Sold $490K · Oct 2026
- 15301 Diamond Cove Ter$434K1 ba · 1,684 ft² · Sold $434K · Oct 2026
- 10135 Vanderbilt Cir$540K3.5 ba · 2,272 ft² · Sold $575K · Oct 2026
- 14734 Yearling Ter$569K3.5 ba · 1,368 ft² · Sold $585K · Oct 2026
- 102 Deep Trail Ln$1.3M3.5 ba · 4,106 ft² · Sold $1.3M · Oct 2026
- 10102 Dalmatian St$1.1M3.5 ba · 3,044 ft² · Sold $1.5M · Oct 2026
- 2303 Newton Dr$400K2.5 ba · 1,440 ft² · Sold $490K · Oct 2026
- 627 Crocus Dr$650K2.5 ba · 1,674 ft² · Sold $595K · Oct 2026
- 7 Pitt Ct$907K2.5 ba · 2,063 ft² · Sold $900K · Oct 2026
- 1903 Piccard Dr$835K3.5 ba · 3,166 ft² · Sold $833K · Oct 2026
- 10166 Treble Ct$719K3 ba · 1,920 ft² · Sold $709K · Oct 2026
- 9 Watchwater Way$826K2.5 ba · 2,779 ft² · Sold $826K · Oct 2026
Explore the area
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