Montgomery County property record for 4 Thorne Rd, Cabin John, MD 20818
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 676 sqft · built 1942 |
| Lot Size | 0.131 acres (5,700 sqft) |
| Owner | Company on Record |
| Tax Bill | $5,428 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 07-03585965 |
| Primary APN | 07-03585965 |
|---|---|
| Alternative APN |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 676 sqft Living Area |
| Gross Area | 832 sqft |
| 1st Floor Area | 676 sqft |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1942 |
| Architectural Style | Conventional |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 5,700 sqft (0.131 acres) |
| Porch | Enclosed Porch |
| Porch Area | 156 sqft |
| Heating System | HVAC |
|---|
| Account Number | 03585965 |
|---|---|
| Street Address | 4 THORNE RD |
| City | CABIN JOHN |
| State | MD |
| Zip | 20818-1811 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R90 |
| Legal Description | BEALLS & MAGRUDERS HONESTY CABIN JOHN GARDE NS COOP |
| Legal Subdivision | BEALLS & MAGRUDERS HONESTY |
| Legal Block | 2 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 7 |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 705800 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Listed Area | Within Washington Aqueduct listed 1973 · 8 contributing resources · National Historic Landmark (designated 1973) · NRIS 73002123 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Montgomery County assessment roll, 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 | Company on Record |
|---|---|
| Mailing Address | 8 1/2 WEBB RD, CABIN JOHN, MD 20818-1820 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| 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 | $474,267 (+3.21%) | $503,800 (+9.64%) Land $385,500 Building $118,300 | |
| 2025 | $5,428.00 (+4.12%) | $459,500 (-) Land $385,500 Building $74,000 | $459,500 (-) Land $385,500 Building $74,000 |
| 2023 | $459,500 Land $385,500 Building $74,000 | $459,500 Land $385,500 Building $74,000 | |
| 2022 | $5,213.00 |
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 |
| Flood Insurance Cost | Premium on Record median of 18 policies |
| Nearby Flood Policies | 18 in force |
| Nearby Flood Claims | 15 (1979–2022) |
| Claims Outside the SFHA | 15 of 15 |
| Most Recent Claim | Aug 2022 · 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 98% of the US · lower than 96% 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 64 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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