Montgomery County property record for 856 Hidden Marsh St, Gaithersburg, MD 20877
| Property Type | Single Family Home |
|---|---|
| Details | 3.5 ba · 3,974 sqft · built 2007 |
| Lot Size | 0.075 acres (3,255 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $687,270 (Sep 2007) |
| Tax Bill | $8,962 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-03454842 |
| Primary APN | 09-03454842 |
|---|---|
| Alternative APN |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,974 sqft Living Area |
| Gross Area | 4,374 sqft |
| 1st Floor Area | 1,737 sqft |
| Basement Area | 900 sqft |
| Finished Basement | 900 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Architectural Style | Bi-Level |
| Exterior Material | Siding |
| Roof Material | Composition Shingle |
| Lot Area | 3,255 sqft (0.075 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 183 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Account Number | 03454842 |
|---|---|
| Street Address | 856 HIDDEN MARSH ST |
| City | GAITHERSBURG |
| State | MD |
| Zip | 20877-2974 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MXD |
| Legal Description | HIDDEN CREEK |
| Legal Subdivision | HIDDEN CREEK |
| Legal Block | E |
| Legal Lot Number | 29 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 9 |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 700726 |
856 Hidden Marsh St is owned and occupied by two individuals who bought it in September 2007.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 856 HIDDEN MARSH ST, GAITHERSBURG, MD 20877-2974 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
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 | Sep 17, 2007 · Amount on File |
| Deed Sale | Sep 17, 2007 · Amount on File |
| Deed Document Number | 2007101294 |
| Deed Book / Page | 34844 / 175 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 856 Hidden Marsh St was $8,962.
Source: Montgomery County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Montgomery County |
| Municipality | Gaithersburg City |
| Unified School District | Montgomery County Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $764,100 (+6.94%) Land $161,300 Building $602,800 | $764,100 (-) Land $161,300 Building $602,800 | |
| 2025 | $8,962.00 | $714,500 | $764,100 Land $161,300 Building $602,800 |
| 2023 | $615,300 Land $161,800 Building $453,500 | $615,300 Land $161,800 Building $453,500 | |
| 2022 | $7,251.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 856 Hidden Marsh St 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 | 2 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.
The area around 856 Hidden Marsh St has no burnable land within ember reach, so its wildfire risk is not rated.
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 460 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 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband.
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