Montgomery County property record for 8912 Harness Trl, Potomac, MD 20854
| Property Type | Single Family Home |
|---|---|
| Details | 4.5 ba · 4,435 sqft · built 1987 |
| Lot Size | 0.282 acres (12,289 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $12,105 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-02618902 |
| Primary APN | 10-02618902 |
|---|---|
| Alternative APN |
|
| Full Baths | 4.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 4,435 sqft Living Area |
| Gross Area | 4,966 sqft |
| 1st Floor Area | 1,868 sqft |
| Basement Area | 747 sqft |
| Finished Basement | 747 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Bi-Level |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 12,289 sqft (0.282 acres) |
| Garage Type | Attached |
| Garage Area | 531 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Type | Spa / Hot Tub (No Pool) |
|---|---|
| Porch | Open Porch |
| Porch Area | 308 sqft |
| Deck Area | 372 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 02618902 |
|---|---|
| Street Address | 8912 HARNESS TRL |
| City | POTOMAC |
| State | MD |
| Zip | 20854-2500 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R200 |
| Legal Description | FOX HILLS OF POTOMAC |
| Legal Subdivision | FOX HILLS OF POTOMAC |
| Legal Block | EE |
| Legal Lot Number | 36 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 10 |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 706011 |
8912 Harness Trl is owned and occupied by an individual who acquired it in October 2006.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 8912 HARNESS TRL, POTOMAC, MD 20854-2500 |
| Occupancy | Owner Occupied |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 29, 2006 |
| Deed Sale | Mar 29, 2006 |
| Deed Document Number | 200645761 |
| Deed Book / Page | 32055 / 495 |
| Last Transfer Date | Oct 18, 2006 |
| Transfer Doc | 0331930388 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 8912 Harness Trl was $12,105, down 3.1% from the year before.
Source: Montgomery County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Montgomery County |
| Unified School District | Montgomery County Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,172,100 (+10.04%) | $1,385,900 (+30.11%) Land $431,900 Building $954,000 | |
| 2025 | $12,105.00 (-3.06%) | $1,065,200 Land $431,900 Building $633,300 | $1,065,200 Land $431,900 Building $633,300 |
| 2024 | $12,487.00 | ||
| 2023 | $1,026,533 | $1,065,200 Land $431,900 Building $633,300 | |
| 2022 | $10,830.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 8912 Harness Trl in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2003.
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 | 7 in force |
| Nearby Flood Claims | 1 (2003) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2003 · Snow |
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 8912 Harness Trl 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 321 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 |
| AT&T Fixed Wireless | 100 / 20 |
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