Montgomery County property record for 871 Diamond Dr, Gaithersburg, MD 20878
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 2,156 sqft · built 1971 |
| Lot Size | 0.353 acres (15,379 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $6,175 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-00828927 |
| Primary APN | 09-00828927 |
|---|---|
| Alternative APN |
|
| Full Baths | 3 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,156 sqft Living Area |
| Gross Area | 2,768 sqft |
| 1st Floor Area | 1,452 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Bi-Level |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 15,379 sqft (0.353 acres) |
| Garage Type | Attached |
| Garage Area | 348 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Enclosed Porch |
|---|---|
| Porch Area | 264 sqft |
| Deck Area | 132 sqft |
| Gazebo | 460 sqft |
| Sauna | Sauna |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 00828927 |
|---|---|
| Street Address | 871 DIAMOND DR |
| City | GAITHERSBURG |
| State | MD |
| Zip | 20878-1804 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R90 |
| Legal Description | DIAMOND COURTS 4042/ 666 8522/164 |
| Legal Subdivision | DIAMOND COURTS |
| Legal Block | A |
| Legal Lot Number | 39 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 9 |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 700823 |
871 Diamond Dr is owned and occupied by two individuals.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 871 DIAMOND DR, GAITHERSBURG, MD 20878-1804 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 871 Diamond Dr was $6,175.
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 | $602,500 (+7.14%) Land $257,400 Building $345,100 | $602,500 (-) Land $257,400 Building $345,100 | |
| 2025 | $6,175.00 | $562,333 | $602,500 Land $257,400 Building $345,100 |
| 2023 | $482,000 Land $257,400 Building $224,600 | $482,000 Land $257,400 Building $224,600 | |
| 2022 | $4,941.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 871 Diamond Dr in Zone X, an area of minimal flood risk.
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 |
|---|---|
| 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.
Wildfire risk around 871 Diamond Dr is low, with less than 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 95% of the US · lower than 90% of Maryland |
|---|---|
| Wildfire Likelihood | Under 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 434 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 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
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