Montgomery County property record for 844 Diamond Dr, Gaithersburg, MD 20878
| Property Type | Single Family Home |
|---|---|
| Details | 4.5 ba · 3,068 sqft · built 1971 |
| Lot Size | 0.22 acres (9,600 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $7,823 (2025) |
| Deeds & Mortgages | Aug 2021 Mortgage Jan 2018 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-00828596 |
| Primary APN | 09-00828596 |
|---|---|
| Alternative APN |
|
| Full Baths | 4.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,068 sqft Living Area |
| Gross Area | 3,344 sqft |
| 1st Floor Area | 2,064 sqft |
| Basement Area | 300 sqft |
| Finished Basement | 300 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 | 9,600 sqft (0.22 acres) |
| Garage Type | Attached |
| Garage Area | 276 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 00828596 |
|---|---|
| Street Address | 844 DIAMOND DR |
| City | GAITHERSBURG |
| State | MD |
| Zip | 20878-1806 |
| 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 | 22 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 9 |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 700823 |
844 Diamond Dr is owned and occupied by an individual who acquired it in April 2007.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 844 DIAMOND DR, GAITHERSBURG, MD 20878-1806 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
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 |
|---|---|
| Aug 4, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FIDELITY DIRECT MORTGAGE LLC |
| Jan 1, 2018 | Loan Modification, Mortgage · Conventional Mortgage JP MORGAN CHASE BK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 27, 2007 |
| Deed Sale | Apr 27, 2007 |
| Prior Sale | Jun 15, 1999 · Amount on File |
| Deed Document Number | 200775190 |
| Prior Transfer Date | Apr 11, 2007 |
| Prior Transfer Doc | 75190 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Property Address | 844 DIAMOND DR, GAITHERSBURG, MD 20878-1806 |
| Transaction Type | Mortgage |
| Record Updated | Aug 16, 2021 |
| Title Company | FIRST TITLE COMPANY, FIRST TITLE AND ESCROW INC |
| Name | Verified Name |
|---|---|
| Address | 844 DIAMOND DR, GAITHERSBURG, MD 20878-1806 |
| Document Number | 0636440446 |
|---|---|
| Date | Aug 4, 2021 |
| Book Page | 63644/446 |
| Name | FIDELITY DIRECT MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | GAITHERSBURG, MD 20878 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 179 Months |
| Due | Jul 1, 2036 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Property Address | 844 DIAMOND DR, GAITHERSBURG, MD 20878-1806 |
| Document Number | 0555660283 |
| Instrument Date | Jan 1, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Aug 30, 2018 |
| Name | Verified Name |
|---|---|
| Address | 844 DIAMOND DR GAITHERSBURG MD 208781806, GAITHERSBURG, MD 20878-1806 |
| Document Number | 0555660283 |
|---|---|
| Date | Jan 30, 2018 |
| Book Page | 055566/000283 |
| Name | JP MORGAN CHASE BK |
|---|---|
| Type | Bank |
| Address | MONROE, LA 71203 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Jan 29, 2033 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 4% |
The 2025 property tax bill for 844 Diamond Dr was $7,823, up 12.5% 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 | $629,000 (+11.06%) Land $241,000 Building $388,000 | $629,000 (-) Land $241,000 Building $388,000 | |
| 2025 | $7,823.00 (+12.5%) | $566,367 | $629,000 Land $241,000 Building $388,000 |
| 2024 | $6,954.00 | ||
| 2023 | $441,100 Land $241,000 Building $200,100 | $441,100 Land $241,000 Building $200,100 | |
| 2022 | $5,100.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 844 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 844 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 97% of the US · lower than 94% 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 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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