9509 Thornhill Rd, Silver Spring, MD 20901 Property Records

Montgomery County property record for 9509 Thornhill Rd, Silver Spring, MD 20901

Property Summary

Property TypeSingle Family Home
Details2.5 ba · 1,880 sqft · built 1940
Lot Size0.131 acres (5,700 sqft)
Owner2 Individual Names on Record
Last Sale$307,000 (Aug 2000)
Tax Bill$7,401 (2025)
Deeds & MortgagesJan 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN13-01029958

Property Details

APN / Parcel Number

Primary APN13-01029958
Alternative APN
  • 01029958

Interior

Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area1,880 sqft Living Area
Gross Area2,080 sqft
1st Floor Area872 sqft
AtticAttic
Attic Area200 sqft
Basement Area336 sqft
Finished Basement336 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1940
Architectural StyleBi-Level
Exterior MaterialBrick
Construction TypeFrame
Roof MaterialSlate
Lot Area5,700 sqft (0.131 acres)
Garage TypeAttached
Garage Area200 sqft
Parking Spaces1 Parking Space
PorchOpen Porch
Porch Area90 sqft
Patio Area216 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemHVAC
SewerMunicipal

Location & Zoning

Account Number01029958
Street Address9509 THORNHILL RD
CitySILVER SPRING
StateMD
Zip20901-4835
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR60
Legal DescriptionNORTH HILLS OF SLIGO PARK
Legal SubdivisionNORTH HILLS
Legal BlockB
Legal Lot Number36
JurisdictionMONTGOMERY MD
Township / Civil Division13
Census Block Group2
Census Block2010
Census Tract702302

Owner

Source: Montgomery County records, as of August 17, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address9509 THORNHILL RD, SILVER SPRING, MD 20901-4835
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 16, 2000 · Amount on Record
Deed SaleAug 16, 2000 · Amount on Record
Prior SaleFeb 10, 1998 · Amount on Record
Deed Document Number2000187296
Deed Book / Page18323 / 246
Record UpdatedSep 20, 2026

January 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMONTGOMERY MD
Property Address9509 THORNHILL RD, SILVER SPRING, MD 20901-4835
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyTITLE365

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0615310048
DateJan 6, 2021
Book Page61531/48
Lender
NameFREEDOM MORTGAGE CORP
TypeSubprime Lender
AddressMOUNT LAUREL, NJ 08054
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term180 Months
DueJan 1, 2036

Tax Assessment & Valuation

Source: Montgomery County assessment roll, as of August 17, 2026

Property Jurisdictions

TypeName
StateMaryland
CountyMontgomery County
Unified School DistrictMontgomery County Public Schools (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$667,333 (+4.54%)$696,300 (-) Land $303,800 Building $392,500
2025$7,401.00 (+11.7%)$638,367 (+4.75%)$696,300 (+14.26%) Land $303,800 Building $392,500
2023$609,400 Land $303,800 Building $305,600$609,400 Land $303,800 Building $305,600
2022$6,626.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective April 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force
Nearby Flood Claims2 (2003–2014)
Claims Outside the SFHA2 of 2
Most Recent ClaimAug 2014 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no wildfire likelihood modeled here

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemWASHINGTON SUBURBAN SANITARY COMMISSION
serves 1,900,000 people · EPA ID MD0150005
Water SourceSurface water
Last State InspectionMay 2025
LeadUnder 1 ppb (2018–2020)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 495 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber · Fixed Wireless in parts of the area
2,300 / 2,300
Xfinity
Cable
2,000 / 250
Astound Broadband
Cable
1,500 / 50
T-Mobile
Fixed Wireless
100 / 20

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