Montgomery County property record for 862 Diamond Dr, Gaithersburg, MD 20878
| Property Type | Single Family Home |
|---|---|
| Details | 3.5 ba · 2,308 sqft · built 1971 |
| Lot Size | 0.207 acres (9,036 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $6,356 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-00828665 |
| Primary APN | 09-00828665 |
|---|---|
| Alternative APN |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,308 sqft Living Area |
| 1st Floor Area | 980 sqft |
| Basement Area | 400 sqft |
| Finished Basement | 400 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Bi-Level |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 9,036 sqft (0.207 acres) |
| Garage Type | Carport |
| Garage Area | 264 sqft |
| Carport | Carport |
| Carport Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 389 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 00828665 |
|---|---|
| Street Address | 862 DIAMOND DR |
| City | GAITHERSBURG |
| State | MD |
| Zip | 20878-1809 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R90 |
| Legal Description | DIAMOND COURTS |
| Legal Subdivision | DIAMOND COURTS |
| Legal Block | B |
| Legal Lot Number | 31 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 9 |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 700823 |
862 Diamond Dr is owned by a company that acquired it in June 2002.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 862 DIAMOND DR, GAITHERSBURG, MD 20878-1809 |
| Owner Type | Company |
| Vesting | Life Tenant |
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 | Jun 27, 2002 |
| Deed Sale | Jun 27, 2002 |
| Prior Sale | Sep 7, 1999 · Amount on File |
| Deed Document Number | 2002252768 |
| Deed Book / Page | 21342 / 105 |
| Transfer Doc | 0000252768 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 862 Diamond Dr was $6,356.
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 | $538,700 (+4.76%) Land $238,200 Building $300,500 | $538,700 (-) Land $238,200 Building $300,500 | |
| 2025 | $6,356.00 | $514,200 | $538,700 Land $238,200 Building $300,500 |
| 2023 | $465,200 Land $238,200 Building $227,000 | $465,200 Land $238,200 Building $227,000 | |
| 2022 | $5,335.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 862 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 862 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 98% of the US · lower than 96% 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 211 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 |
May also be available: AT&T.
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