Montgomery County property record for 21718 Slidell Rd, Boyds, MD 20841
| Property Type | Single Family Home |
|---|---|
| Details | 3.5 ba · 4,597 sqft · built 2002 |
| Lot Size | 25.4 acres (1,108,602 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,200,000 (Dec 2010) |
| Tax Bill | $15,858 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 11-03297446 |
| Primary APN | 11-03297446 |
|---|---|
| Alternative APN |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 4,597 sqft Living Area |
| Gross Area | 5,485 sqft |
| 1st Floor Area | 2,645 sqft |
| Basement Area | 1 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2002 |
| Architectural Style | Bi-Level |
| Exterior Material | Brick |
| Construction Type | Brick |
| Roof Material | Composition Shingle |
| Lot Area | 1,108,602 sqft |
| Garage Type | Attached |
| Garage Area | 888 sqft |
| Parking Spaces | 6 Parking Spaces |
| Pool Area | 1,200 sqft |
|---|---|
| Deck Area | 650 sqft |
| Patio Area | 600 sqft |
| Stable | 2,400 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Connected |
| Account Number | 03297446 |
|---|---|
| Street Address | 21718 SLIDELL RD |
| City | BOYDS |
| State | MD |
| Zip | 20841-9307 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AR |
| Legal Description | HENLEY HALL |
| Legal Subdivision | WOODSTOCK RES ON HANOVER |
| Legal Block | A |
| Legal Lot Number | 30 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 11 |
| Census Block Group | 2 |
| Census Block | 2034 |
| Census Tract | 700400 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 21718 SLIDELL RD, BOYDS, MD 20841-9307 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 14, 2010 · Amount on Record |
| Deed Sale | Dec 14, 2010 · Amount on Record |
| Prior Sale | Jan 26, 2001 · Amount on Record |
| Deed Document Number | 2010192565 |
| 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 | $1,463,700 (+7.59%) | $1,566,900 (-) Land $449,500 Building $1,117,400 | |
| 2025 | $15,858.00 (+20.81%) | $1,360,500 (+11.26%) | $1,566,900 (+24.62%) Land $449,500 Building $1,117,400 |
| 2023 | $1,222,767 | $1,257,300 Land $449,500 Building $807,800 | |
| 2022 | $13,126.00 |
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 | 3 in force |
| Nearby Flood Claims | 1 (2011) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2011 · rainfall accumulation |
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 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: FCC Broadband Data Collection, based on 25 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 980 / 880 |
May also be available: Xfinity.
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