Montgomery County property record for 21815 Diller Ln, Boyds, MD 20841
| Property Type | Single Family Home |
|---|---|
| Details | 3.5 ba · 2,296 sqft · built 1966 |
| Lot Size | 0.989 acres (43,078 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $270,408 (Feb 2009) |
| Tax Bill | $6,313 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 02-00032461 |
| Primary APN | 02-00032461 |
|---|---|
| Alternative APN |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,296 sqft Living Area |
| Gross Area | 2,721 sqft |
| 1st Floor Area | 1,296 sqft |
| Basement Area | 1,000 sqft |
| Finished Basement | 1,000 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Split Foyer |
| Exterior Material | Brick |
| Construction Type | Brick |
| Roof Material | Composition Shingle |
| Lot Area | 43,078 sqft (0.989 acres) |
| Garage Type | Attached |
| Garage Area | 425 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 512 sqft |
|---|---|
| Porch | Breezeway |
| Porch Area | 119 sqft |
| Deck Area | 144 sqft |
| Breezeway | Breezeway |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Connected |
| Account Number | 00032461 |
|---|---|
| Street Address | 21815 DILLER LN |
| City | BOYDS |
| State | MD |
| Zip | 20841-9023 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R200 |
| Legal Description | BEAU MONDE ESTS |
| Legal Subdivision | BEAU MONDE ESTATES |
| Legal Block | A |
| Legal Lot Number | 9 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 2 |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 700314 |
21815 Diller Ln is owned by two individuals who bought it in February 2009.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18502 THUNDERCLOUD RD, BOYDS, MD 20841-4306 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Feb 18, 2009 · Amount on File |
| Deed Sale | Feb 18, 2009 · Amount on File |
| Prior Sale | Jun 24, 2008 · Amount on File |
| Deed Document Number | 20094687 |
| Transfer Doc | 0170770011 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 21815 Diller Ln was $6,313, up 9.4% 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 | $529,600 (+7.99%) | $568,800 (-) Land $191,400 Building $377,400 | |
| 2025 | $6,313.00 (+9.43%) | $490,400 | $568,800 Land $191,400 Building $377,400 |
| 2024 | $5,769.00 | ||
| 2023 | $440,167 (+2.57%) | $451,200 (-) Land $191,400 Building $259,800 | |
| 2022 | $5,262.00 | $429,133 | $451,200 Land $191,400 Building $259,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21815 Diller Ln in Zone X, an area of minimal flood risk.
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 | 1 in force |
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 21815 Diller Ln 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 96% of the US · lower than 92% 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 412 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures