Montgomery County property record for 830 Diamond Dr, Gaithersburg, MD 20878
| Property Type | Single Family Home |
|---|---|
| Details | 3.5 ba · 2,156 sqft · built 1969 |
| Lot Size | 0.21 acres (9,146 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $479,000 (Dec 2016) |
| Tax Bill | $7,667 (2025) |
| Deeds & Mortgages | Jan 2021 Mortgage Feb 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-00828916 |
| Primary APN | 09-00828916 |
|---|---|
| Alternative APN |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,156 sqft Living Area |
| 1st Floor Area | 1,452 sqft |
| Basement Area | 950 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Bi-Level |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 9,146 sqft (0.21 acres) |
| Garage Type | Carport |
| Garage Area | 348 sqft |
| Carport | Carport |
| Carport Area | 348 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Enclosed Porch |
| Porch Area | 348 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 00828916 |
|---|---|
| Street Address | 830 DIAMOND DR |
| City | GAITHERSBURG |
| State | MD |
| Zip | 20878-1800 |
| 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 | 15 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 9 |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 700823 |
830 Diamond Dr is owned by two individuals who bought it in December 2016.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 16 MARQUIS DR, GAITHERSBURG, MD 20878-1838 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jan 29, 2021 | Deed of Trust, Mortgage · Conventional Mortgage WYNDHAM CAPITAL MORTGAGE INC |
| Feb 15, 2017 | Quit Claim Deed, Transfer RGS TITLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 21, 2016 · Amount on File |
| Deed Sale | Dec 21, 2016 · Amount on File |
| Prior Sale | Jul 20, 2016 · Amount on File |
| Deed Book / Page | 53448 / 127 |
| Prior Transfer Date | Oct 27, 2016 |
| Prior Transfer Doc | 0538170419 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Property Address | 830 DIAMOND DR, GAITHERSBURG, MD 20878-1800 |
| Transaction Type | Mortgage |
| Record Updated | May 3, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0617500420 |
|---|---|
| Date | Jan 29, 2021 |
| Book Page | 61750/420 |
| Name | WYNDHAM CAPITAL MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | CHARLOTTE, NC 28211 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Feb 1, 2036 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Recording Date | Feb 15, 2017 |
| Property Address | 830 DIAMOND DR, GAITHERSBURG, MD 20878-1800 |
| Document Number | 0538170419 |
| Book / Page | 053817 / 000419 |
| Instrument Date | Oct 27, 2016 |
| Transaction Type | Transfer |
| Record Updated | Mar 21, 2017 |
| Title Company | RGS TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 830 DIAMOND DR GAITHERSBURG MD 208781800, GAITHERSBURG, MD 20878-1800 |
The 2025 property tax bill for 830 Diamond Dr was $7,667, up 9.5% from the year before.
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 | $606,400 (+8.42%) Land $238,800 Building $367,600 | $606,400 (-) Land $238,800 Building $367,600 | |
| 2025 | $7,667.00 (+9.54%) | $559,300 | $606,400 Land $238,800 Building $367,600 |
| 2024 | $6,999.00 | ||
| 2023 | $465,100 Land $238,800 Building $226,300 | $465,100 Land $238,800 Building $226,300 | |
| 2022 | $5,350.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 830 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 830 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 | None beyond 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 663 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 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures