Montgomery County property record for 424 Old Stone Rd, Silver Spring, MD 20904
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,580 sqft · built 1973 |
| Lot Size | 0.671 acres (29,226 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $561,000 (Jul 2004) |
| Tax Bill | $6,238 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 05-00370893 |
| Primary APN | 05-00370893 |
|---|---|
| Alternative APN |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,580 sqft Living Area |
| Gross Area | 3,108 sqft |
| 1st Floor Area | 1,300 sqft |
| Basement Area | 1 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | Bi-Level |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 29,226 sqft (0.671 acres) |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 820 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 00370893 |
|---|---|
| Street Address | 424 OLD STONE RD |
| City | SILVER SPRING |
| State | MD |
| Zip | 20904-5958 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R200 |
| Legal Description | SOUTH STONEGATE |
| Legal Subdivision | STONEGATE |
| Legal Block | 3 |
| Legal Lot Number | 27 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 5 |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 701507 |
424 Old Stone Rd is owned and occupied by two individuals who bought it in July 2004.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 424 OLD STONE RD, SILVER SPRING, MD 20904-5958 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 6, 2004 · Amount on File |
| Deed Sale | Jul 6, 2004 · Amount on File |
| Prior Sale | Jul 6, 2004 · Amount on File |
| Deed Document Number | 200411152 |
| Deed Book / Page | 27751 / 726 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 424 Old Stone Rd was $6,238.
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 | $583,600 (+7.74%) Land $292,100 Building $291,500 | $583,600 (-) Land $292,100 Building $291,500 | |
| 2025 | $6,238.00 | $541,667 | $583,600 Land $292,100 Building $291,500 |
| 2023 | $457,800 Land $292,100 Building $165,700 | $457,800 Land $292,100 Building $165,700 | |
| 2022 | $4,864.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 424 Old Stone Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 | 3 in force |
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 risk around 424 Old Stone Rd is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 41% of Maryland |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 263 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
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