Montgomery County property record for 9401 Thornhill Rd, Silver Spring, MD 20901
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,769 sqft · built 1936 |
| Lot Size | 0.26 acres (11,331 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $7,076 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 13-01031495 |
| Primary APN | 13-01031495 |
|---|---|
| Alternative APN |
|
| Full Baths | 2 Baths |
|---|---|
| Half Baths | 2 Half Baths |
| Stories | 2 Stories |
| Building Area | 1,769 sqft Living Area |
| Gross Area | 2,473 sqft |
| 1st Floor Area | 831 sqft |
| Basement Area | 247 sqft |
| Finished Basement | 247 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1936 |
| Architectural Style | Bi-Level |
| Exterior Material | Brick |
| Construction Type | Brick |
| Roof Material | Slate |
| Lot Area | 11,331 sqft (0.26 acres) |
| Garage Type | Attached |
| Garage Area | 352 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Enclosed Porch |
| Porch Area | 608 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Radiant |
| Sewer | Municipal |
| Account Number | 01031495 |
|---|---|
| Street Address | 9401 THORNHILL RD |
| City | SILVER SPRING |
| State | MD |
| Zip | 20901-4833 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R60 |
| Legal Description | NORTH HILLS OF SLIGO PK 3009/017 PET#97025 |
| Legal Subdivision | NORTH HILLS |
| Legal Block | A |
| Legal Lot Number | 25 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 13 |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 702302 |
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 Record | Individual Name on Record |
|---|---|
| Mailing Address | 9401 THORNHILL RD, SILVER SPRING, MD 20901-4833 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Montgomery County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Montgomery County |
| Unified School District | Montgomery County Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $626,600 (+3.79%) | $649,500 (-) Land $330,800 Building $318,700 | |
| 2025 | $7,076.00 (+11.08%) | $603,700 (+3.94%) | $649,500 (+11.83%) Land $330,800 Building $318,700 |
| 2023 | $580,800 Land $330,800 Building $250,000 | $580,800 Land $330,800 Building $250,000 | |
| 2022 | $6,370.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective April 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (2003–2014) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Aug 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people · EPA ID MD0150005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2025 |
| Lead | Under 1 ppb (2018–2020) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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.
Source: FCC Broadband Data Collection, based on 497 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Starry.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures