14 S DUKE ST
Valuation
Tax & Assessment
Property Facts
Transaction History(2)
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.
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.
Index scale: 100 = US average (tick). Lower is better.
Ownership
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
14 S Duke St 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 71% of homes in Rockville
- Costs less per square foot than 66% of homes in Rockville
- Bigger than 78% of homes in Rockville
- Has a bigger lot than 80% of homes in Rockville
- Older than 70% of homes in Rockville 20850
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 is worth more than 63% 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.
Pricier than 63% of homes nearby
Pricier than 39% of homes nearby
Bigger than 70% of homes nearby
Bigger than 76% of homes nearby
Newer than 30% of homes nearby
| Measure | This home | Rockville | Rockville 20850 | Montgomery County |
|---|---|---|---|---|
| Estimated valuepricier than | $850,000 | 71% of homes | 63% of homes | 71% of homes |
| Price per ft²pricier than | $322 | 34% of homes | 39% of homes | 57% of homes |
| Living areabigger than | 2,637 ft² | 78% of homes | 70% of homes | 70% of homes |
| Lot sizebigger than | 0.24 ac | 80% of homes | 76% of homes | 68% of homes |
| Year builtnewer than | 1970 | 46% of homes | 30% of homes | 39% of homes |
About 14 S Duke St
How much is 14 S Duke St, Rockville, MD worth?
The TopHap Estimate for 14 S Duke St, Rockville, MD is $850,000 as of Jul 14, 2026. The likely range is $808,122 to $891,878. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 14 S Duke St, Rockville, MD last sell?
14 S Duke St, Rockville, MD last sold on Jun 30, 2026 for $860,000, according to the county's recorded deed.
How big is 14 S Duke St, Rockville, MD?
14 S Duke St, Rockville, MD has 2.5 bathrooms, 2,637 square feet of living space and a 0.23-acre lot.
When was 14 S Duke St, Rockville, MD built?
14 S Duke St, Rockville, MD was built in 1970, making it 56 years old. It is a bi-level home. The building has 2 stories.
What schools serve 14 S Duke St, Rockville, MD?
14 S Duke St, Rockville, MD is assigned to College Gardens Elementary School (elementary), rated C-; Julius West Middle School (middle), rated A; Richard Montgomery High School (high), rated A-. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 14 S Duke St, Rockville, MD compare to other homes in Rockville 20850?
Among the 14,094 homes in Rockville 20850, it is worth more than 63% of them ($850,000 against a typical $750,107), its price per square foot is higher than 39% of them ($322 against a typical $339), it is bigger than 70% of them (2,637 ft² against a typical 2,040 ft²), its lot is bigger than 76% of them (0.24 ac against a typical 4,225 ft²) and it is newer than 30% of them (1970 against a typical 1991). Measured against all of Montgomery County, it is worth more than 71% 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 14 S Duke St, Rockville, MD?
The 2025 property tax bill for 14 S Duke St, Rockville, MD was $9,104. The county assessed it at $707,433.
Closest homes
- 16 S Duke St$890K89 ft · 2.5 ba · 2,518 ft² · Sold Jan 1900
- 12 S Duke St$875K88 ft · 2.5 ba · 2,518 ft² · Sold Jan 1900
- 18 S Duke St$828K179 ft · 2.5 ba · 2,252 ft² · Sold $500K · Sep 2003
- 10 S Duke St$814K176 ft · 2.5 ba · 2,303 ft² · Sold $639K · Jul 2013
- 17 S Duke St$687K197 ft · 3 ba · 2,194 ft² · Sold $590K · Jul 2007
- 13 S Duke St$845K185 ft · 2.5 ba · 2,422 ft² · Sold $234K · May 1997
- 7 S Duke St$841K210 ft · 2.5 ba · 2,570 ft² · Sold $587K · Jan 2013
- 20 S Duke St$856K271 ft · 2.5 ba · 2,063 ft² · Sold $275K · May 2000
More homes in Rockville 20850
- 118 Monroe St$250K1 ba · 1,231 ft² · Sold $239K · Aug 2026
- 18 Monroe St$229K1 ba · 1,053 ft² · Sold $210K · Aug 2026
- 2884 Glenora Ln$740K2.5 ba · 1,976 ft² · Sold $694K · Aug 2026
- 334 Casey Ln$750K3.5 ba · 2,066 ft² · Sold $735K · Aug 2026
- 811 Oak Knoll Ter$950K3.5 ba · 2,788 ft² · Sold $947K · Aug 2026
- 11405 Crownwood Ln$1.2M2.5 ba · 3,651 ft² · Sold $1.2M · Aug 2026
- 103 Crofton Hill Ln$825K3.5 ba · 2,516 ft² · Sold $830K · Aug 2026
- 742 College Pkwy$465K1 ba · 1,263 ft² · Sold $465K · Aug 2026
- 3005 Nina Clarke Dr784 ft² · Sold $734K · Aug 2026
- 16146 Frederick RdCondominium · Sold $739K · Aug 2026
- 804 1st St$479K1.5 ba · 1,125 ft² · Sold $480K · Aug 2026
- 1092 Larkspur Ter$906K2.5 ba · 2,702 ft² · Sold $1.2M · Aug 2026
Assigned schools
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