Montgomery County property record for 12821 Lamp Post Ln, Potomac, MD 20854
| Property Type | Single Family Home |
|---|---|
| Details | 3.5 ba · 3,004 sqft · built 1971 |
| Lot Size | 0.241 acres (10,501 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $10,247 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 04-00138135 |
| Primary APN | 04-00138135 |
|---|---|
| Alternative APN |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,004 sqft Living Area |
| Gross Area | 3,466 sqft |
| 1st Floor Area | 1,631 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 | 10,501 sqft (0.241 acres) |
| Garage Type | Attached |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 00138135 |
|---|---|
| Street Address | 12821 LAMP POST LN |
| City | POTOMAC |
| State | MD |
| Zip | 20854-2322 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R200 |
| Legal Description | SEC 3 POTOMAC COMMON S |
| Legal Subdivision | POTOMAC COMMONS |
| Legal Block | O |
| Legal Lot Number | 38 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 4 |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 701210 |
12821 Lamp Post Ln is owned and occupied by two individuals.
Source: Montgomery County records, as of August 17, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 12821 LAMP POST LN, POTOMAC, MD 20854-2322 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Property Address | 12821 LAMP POST LN, POTOMAC, MD 20854-2322 |
| Transaction Type | Mortgage |
| Record Updated | May 12, 2021 |
| Title Company | OLD REPUBLIC |
| Name | Verified Name |
|---|---|
| Address | 12821 LAMP POST LN, POTOMAC, MD 20854-2322 |
| Document Number | 0620430291 |
|---|---|
| Date | Mar 1, 2021 |
| Book Page | 62043/291 |
| Name | PROSPERITY HOME MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | CHANTILLY, VA 20151 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Feb 1, 2051 |
The 2025 property tax bill for 12821 Lamp Post Ln was $10,247.
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 | $952,700 (+7.06%) Land $396,700 Building $556,000 | $952,700 (-) Land $396,700 Building $556,000 | |
| 2025 | $10,247.00 | $889,900 | $952,700 Land $396,700 Building $556,000 |
| 2023 | $764,300 Land $377,800 Building $386,500 | $764,300 Land $377,800 Building $386,500 | |
| 2022 | $8,258.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 12821 Lamp Post Ln in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1978.
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 | 4 in force |
| Nearby Flood Claims | 6 (1978–2017) |
| Claims Outside the SFHA | 2 of 6 |
| Most Recent Claim | Aug 2017 · 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.
Wildfire risk around 12821 Lamp Post Ln is low, with 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 80% of the US · above 41% of Maryland |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 395 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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