Montgomery County property record for 18170 Headwaters Dr, Olney, MD 20832
| Property Type | Single Family Home |
|---|---|
| Details | 3.5 ba · 2,900 sqft · built 1986 |
| Lot Size | 0.406 acres (17,698 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $585,000 (Mar 2007) |
| Tax Bill | $7,851 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-02499412 |
| Primary APN | 08-02499412 |
|---|---|
| Alternative APN |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,900 sqft Living Area |
| Gross Area | 3,340 sqft |
| 1st Floor Area | 1,192 sqft |
| Basement Area | 800 sqft |
| Finished Basement | 800 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Bi-Level |
| Exterior Material | Siding |
| Roof Material | Composition Shingle |
| Lot Area | 17,698 sqft (0.406 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 400 sqft |
|---|---|
| Gazebo | 150 sqft |
| Greenhouse | 150 sqft |
| Sauna | Sauna |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 02499412 |
|---|---|
| Street Address | 18170 HEADWATERS DR |
| City | OLNEY |
| State | MD |
| Zip | 20832-1754 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R60 |
| Legal Description | OLNEY OAKS |
| Legal Subdivision | OLNEY OAKS |
| Legal Block | A |
| Legal Lot Number | 71 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 8 |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 701312 |
Source: Montgomery County records, as of August 17, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 18170 HEADWATERS DR, OLNEY, MD 20832-1754 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 19, 2007 · Amount on Record |
| Deed Sale | Mar 19, 2007 · Amount on Record |
| Prior Sale | Apr 28, 1994 · Amount on Record |
| Deed Document Number | 200772312 |
| Deed Book / Page | 33986 / 229 |
| Last Transfer Date | Apr 11, 2025 |
| Record Updated | Sep 20, 2026 |
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 | $711,833 (+2.32%) | $744,100 (+6.96%) Land $298,600 Building $445,500 | |
| 2025 | $7,851.00 (+34.57%) | $695,700 (+15.65%) Land $284,400 Building $411,300 | $695,700 (-) Land $284,400 Building $411,300 |
| 2023 | $601,567 | $695,700 Land $284,400 Building $411,300 | |
| 2022 | $5,834.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 8 in force |
| Nearby Flood Claims | 2 (2015–2016) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Aug 2016 · other causes |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 89% 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 358 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber | 980 / 880 |
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