Montgomery County property record for 3939 Isbell St, Silver Spring, MD 20906
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,514 sqft · built 1955 |
| Lot Size | 0.149 acres (6,482 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,170 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 13-01287047 |
| Primary APN | 13-01287047 |
|---|---|
| Alternative APN |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,514 sqft Living Area |
| Gross Area | 2,090 sqft |
| 1st Floor Area | 1,014 sqft |
| Basement Area | 500 sqft |
| Finished Basement | 500 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Townhouse |
| Exterior Material | Brick |
| Construction Type | Brick |
| Roof Material | Composition Shingle |
| Lot Area | 6,482 sqft (0.149 acres) |
| Garage Type | Attached |
| Garage Area | 576 sqft |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 01287047 |
|---|---|
| Street Address | 3939 ISBELL ST |
| City | SILVER SPRING |
| State | MD |
| Zip | 20906-4249 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R60 |
| Legal Description | CONNECTICUT AVENUE PARK |
| Legal Subdivision | CONN AVE PARK DENITS ADD |
| Legal Block | Y |
| Legal Lot Number | 20 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 13 |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 703401 |
Source: Montgomery County records · APN 13-01287047
Assessment roll updated August 17, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 3939 ISBELL ST, SILVER SPRING, MD 20906-4249 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 28, 2004 |
| Deed Sale | Jun 28, 2004 |
| Prior Sale | Jun 28, 2004 |
| Deed Document Number | 200410126 |
| Deed Book / Page | 27696 / 788 |
| Last Transfer Date | Aug 27, 2010 |
| Transfer Doc | 163249 |
| Record Updated | Sep 20, 2026 |
Source: Montgomery County records · Assessment roll updated August 17, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Montgomery County |
| Unified School District | Montgomery County Public Schools (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $453,567 (+3.51%) | $484,300 (+10.52%) Land $180,500 Building $303,800 | |
| 2025 | $5,170.00 (-6.07%) | $438,200 (+12.05%) Land $180,500 Building $257,700 | $438,200 (-) Land $180,500 Building $257,700 |
| 2024 | $5,504.00 (+37.05%) | ||
| 2023 | $391,067 | $438,200 Land $180,500 Building $257,700 | |
| 2022 | $4,016.00 |
Source: FEMA National Flood Hazard Layer, Montgomery County (24031C), as of April 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 240317034011, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (2014–2017) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jul 2017 · river or lake flooding |
| Wildfire Risk | Low lower than 99.1% of the US · lower than 98.5% of Maryland |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Radiate Holdings.
Based on FCC filings for 590 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System, water system MD0150005, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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