9515 Thornhill Rd is a 1,584 square foot house on a 6,700 square foot lot with 1.5 bathrooms. Based on Redfin's Silver Spring data, we estimate the home's value is $656,694.
Single-familyProperty Type
1949Year Built
6,700 sq ftLot Size
$415Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$656,694
$6,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.5% higher than the average sale price ($653K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$7,201 (+9.6%)
2024
$6,568 (+3.4%)
2023
$6,349 (+8.1%)
$309,300 + $197,700
$507,000
2022
$5,873 (+19.2%)
2021
$4,927 (+5.5%)
2020
$4,670 (+5.9%)
$309,300 + $146,700
$456,000
2019
$4,411 (+5.9%)
2018
$4,165 (+0.7%)
$258,800 + $136,600
$395,400
2017
$4,135 (+6.0%)
2015
$3,901 (−1.2%)
$211,800 + $157,500
$369,300
2014
$3,949 (+0.7%)
2013
$3,920 (+4.9%)
2012
$3,738 (+5.2%)
2011
$3,553
2010
$3,553 (+32.8%)
2009
$2,676
Tax history for 9515 Thornhill Rd
Year
Property tax
Land + Additions
Assessment*
2025
$7,201 (+9.6%)
2024
$6,568 (+3.4%)
2023
$6,349 (+8.1%)
$309,300 + $197,700
$507,000
2022
$5,873 (+19.2%)
2021
$4,927 (+5.5%)
2020
$4,670 (+5.9%)
$309,300 + $146,700
$456,000
2019
$4,411 (+5.9%)
2018
$4,165 (+0.7%)
$258,800 + $136,600
$395,400
2017
$4,135 (+6.0%)
2015
$3,901 (−1.2%)
$211,800 + $157,500
$369,300
2014
$3,949 (+0.7%)
2013
$3,920 (+4.9%)
2012
$3,738 (+5.2%)
2011
$3,553
2010
$3,553 (+32.8%)
2009
$2,676
*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
R-60
Residential - 60 Zone
The intent of the R-60 zone is to provide designated areas of the County for moderate density residential uses. The predominant use is residential in a detached house. A limited number of other building types may be allowed under the optional method of development.
Permitted uses
Include but are not limited to:
Agriculture-Other
Assembly / meeting place
Housing-Single unit
Housing-Senior
Infrastructure-Other
Public service
Transportation-Other
Park & open space
Apr 11, 2024 • Final
Building residential
Remodel
Apr 11, 2024 • Final
Electrical
Electrical
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: 1
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Hot Air
Fireplace Information
# of Fireplaces: 1
Fireplace Type: 1 Story Brick
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Good
Exterior Wall: Brick
Building Type: Single Family
Property Information
Subdivision Name: NORTH HILLS/SLIGO PARK
Living Sq. Ft: 1,584
Building Sq. Ft: 1,584
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: NORTH HILLS OF SLIGO PARK
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,700
Legal Lot Number: 26
Legal Block Number: B
Acres: 0.1538
Zoning Code: R60
County Use Description: SINGLE FAMILY DETACH
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 13
Public facts
Beds: —
Baths: 1.5
Sq. Ft.: 1,584
Stories: 1.0
Lot Size: 6,700 square feet
Style: Single Family Residential
Year Built: 1949
Year Renovated: —
County: Montgomery County
APN: 13 01029982
Home facts updated by county records on Jul 18, 2026
Around this home
Schools
Places
Transit
Sligo Creek Elementary School
Public K-5 • Assigned • 0.8mi
9/10
Silver Spring International Middle School
Public 6-8 • Assigned • 0.8mi
6/10
Northwood High School
Public 9-12 • Assigned • 5.9mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
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