9521 River Rd is a 6,475 square foot house on a 2 acre lot with 6 bathrooms. - it last sold on November 25, 1992 for $1,672,000. Based on Redfin's Rockville data, we estimate the home's value is $2,389,262.
Single-familyProperty Type
1989Year Built
2 acresLot Size
$369Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,389,262
$717K since sold in November 1992$12K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.6% higher than the average sale price ($2.16M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RE-2
Residential Estate - 2 Zone
The intent of the RE-2 zone is to provide designated areas of the County for large-lot residential uses. The predominant use is residential in a detached house.
Permitted uses
Include but are not limited to:
Agriculture-Other
Religious facility
Housing-Single unit
Housing-Senior
Infrastructure-Other
Public service
Kennel
Transportation-Other
Park & open space
Apr 30, 2002 • Active
Building residential
New construction
Nov 9, 1987 • Final
Sediment control
Grading
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 5
# of 1/2 Baths: 2
Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Hot Air
Fireplace Information
# of Fireplaces: 3
Fireplace Type: 2 Story Brick
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Luxury
Exterior Wall: Brick
Building Type: Single Family
Pool Information
Pool Type: Concrete
Has Pool
Property Information
Living Sq. Ft: 6,475
Building Sq. Ft: 7,541
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: FALCONHURST 10875/65 2
Parking & Garage Information
Parking Type: Built-In Garage
Garage/Parking Sq. Ft: 1,066
Garage / Carport Type: Built In
Lot Information
# of Buildings: 1
Land Sq. Ft: 87,120
Legal Lot Number: 3
Legal Block Number: 3
Acres: 2
Zoning Code: RE2
County Use Description: SINGLE FAMILY DETACH
State Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 10
Public facts
Beds: —
Baths: 6.0
Sq. Ft.: 6,475
Stories: 2.0
Lot Size: 2 acres
Style: Single Family Residential
Year Built: 1989
Year Renovated: —
County: Montgomery County
APN: 10 02440235
Home facts updated by county records on Oct 14, 2026
Around this home
Schools
Potomac Elementary School
Public K-5 • Assigned • 1.1mi
8/10
Herbert Hoover Middle School
Public 6-8 • Assigned • 2.5mi
10/10
Winston Churchill High School
Public 9-12 • Assigned • 2.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Potomac, MD, is known for its affluent neighborhoods, large estate homes, country clubs and scenic natural beauty, including Great Falls Park and the C&O Canal. It offers a blend of suburban tranquility and upscale amenities, making it a sought-after...