Montgomery County property record for 4237 Mount Olney Ln, Olney, MD 20832
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,411 sqft · built 1972 |
| Lot Size | 0.4 acres (17,417 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $525,000 (May 2006) |
| Tax Bill | $6,144 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-00745013 |
| Primary APN | 08-00745013 |
|---|---|
| Alternative APN |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 2,411 sqft Living Area |
| Gross Area | 2,983 sqft |
| 1st Floor Area | 1,378 sqft |
| Basement Area | 1,033 sqft |
| Finished Basement | 1,033 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Townhouse |
| Exterior Material | Brick |
| Construction Type | Brick |
| Roof Material | Composition Shingle |
| Lot Area | 17,417 sqft (0.4 acres) |
| Garage Type | Attached |
| Garage Area | 572 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
|---|---|
| Porch Area | 36 sqft |
| Deck Area | 384 sqft |
| Shed | 1 Shed |
| Shed Area | 100 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 00745013 |
|---|---|
| Street Address | 4237 MOUNT OLNEY LN |
| City | OLNEY |
| State | MD |
| Zip | 20832-1005 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RE1 |
| Legal Description | OLNEY MILL |
| Legal Subdivision | OLNEY MILL |
| Legal Block | 47 |
| Legal Lot Number | 13 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 8 |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 701304 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4237 MOUNT OLNEY LN, OLNEY, MD 20832-1005 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 26, 2006 · Amount on Record |
| Deed Sale | May 26, 2006 · Amount on Record |
| Prior Sale | Oct 28, 2003 |
| Deed Document Number | 200650528 |
| Deed Book / Page | 32394 / 535 |
| Transfer Doc | 0000286653 |
| 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 | $572,300 (+5.79%) | $634,900 (+17.36%) Land $265,600 Building $369,300 | |
| 2025 | $6,144.00 (+30.42%) | $541,000 (+13.05%) Land $253,000 Building $288,000 | $541,000 (-) Land $253,000 Building $288,000 |
| 2023 | $478,533 | $541,000 Land $253,000 Building $288,000 | |
| 2022 | $4,711.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 41% of Maryland |
|---|---|
| Wildfire Likelihood | 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 162 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Verizon Fiber | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
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