Montgomery County property record for 4005 Isbell St, Silver Spring, MD 20906
| Property Type | Single Family Home |
|---|---|
| Details | 1.5 ba · 1,564 sqft · built 1960 |
| Lot Size | 0.177 acres (7,722 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $165,000 (Feb 2000) |
| Tax Bill | $5,113 (2025) |
| Deeds & Mortgages | Oct 2021 Mortgage Mar 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 13-01339461 |
| Primary APN | 13-01339461 |
|---|---|
| Alternative APN |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 1,564 sqft Living Area |
| 1st Floor Area | 1,214 sqft |
| Basement Area | 350 sqft |
| Finished Basement | 350 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Townhouse |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 7,722 sqft (0.177 acres) |
| Porch | Enclosed Porch |
| Porch Area | 144 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 01339461 |
|---|---|
| Street Address | 4005 ISBELL ST |
| City | SILVER SPRING |
| State | MD |
| Zip | 20906-4219 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R60 |
| Legal Description | SEC 6 STONEYBROOK ES T |
| Legal Subdivision | STONEYBROOK ESTATE |
| Legal Block | 23 |
| Legal Lot Number | 2 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 13 |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 703401 |
Source: Montgomery County records · APN 13-01339461
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 | 4005 ISBELL ST, SILVER SPRING, MD 20906-4219 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Date | Document |
|---|---|
| Oct 21, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage SIGNAL FINANCIAL FCU |
| Mar 07, 2017 | Deed of Trust, Mortgage · Conventional Mortgage SIGNAL FINANCIAL FCU |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 22, 2000 · Amount on Record |
| Deed Sale | Feb 22, 2000 · Amount on Record |
| Deed Document Number | 2000172463 |
| Deed Book / Page | 17887 / 597 |
| Last Transfer Date | Sep 22, 2021 |
| Transfer Doc | 0643530478 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Recording Date | Oct 21, 2021 |
| Property Address | 4005 ISBELL ST, SILVER SPRING, MD 20906-4219 |
| Document Number | 0643530478 |
| Book / Page | 64353 / 478 |
| Map Reference | MB 53 PL 4190 |
| Instrument Date | Sep 22, 2021 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2021 |
| Title Company | ACCOMODATION, ACCOMMODATION |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 4005 ISBELL ST, SILVER SPRING, MD 20906-4219 |
| Document Number | 64353486 |
|---|---|
| Date | Oct 21, 2021 |
| Instrument | 64353/486 |
| Name | SIGNAL FINANCIAL FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Oct 01, 2036 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Property Address | 4005 ISBELL ST, SILVER SPRING, MD 20906-4219 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | FIRST TITLE & ESCROW INC |
| Name | Verified Name |
|---|
| Document Number | 0539340419 |
|---|---|
| Date | Mar 07, 2017 |
| Book Page | 53934/419 |
| Name | SIGNAL FINANCIAL FCU |
|---|---|
| Type | Credit Union |
| Address | KENSINGTON, MD 20895 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Mar 01, 2032 |
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 | $396,600 (+6.3%) | $443,600 (+18.9%) Land $159,700 Building $283,900 | |
| 2025 | $5,113.00 (+5.29%) | $373,100 (+8.55%) Land $159,700 Building $213,400 | $373,100 (-) Land $159,700 Building $213,400 |
| 2024 | $4,856.00 (+35.23%) | ||
| 2023 | $343,700 | $373,100 Land $159,700 Building $213,400 | |
| 2022 | $3,591.00 |
Source: FEMA National Flood Hazard Layer as of April 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · 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 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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