Montgomery County property record for 817 Islington St, Silver Spring, MD 20910
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 1,992 sqft · built 1928 |
| Lot Size | 0.092 acres (4,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $495,000 (Oct 2009) |
| Tax Bill | $7,599 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 13-00988792 |
| Primary APN | 13-00988792 |
|---|---|
| Alternative APN |
|
| Full Baths | 3 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 1,992 sqft Living Area |
| 1st Floor Area | 766 sqft |
| Basement Area | 460 sqft |
| Finished Basement | 460 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 1928 |
| Architectural Style | Bi-Level |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 4,000 sqft (0.092 acres) |
| Pool Area | 512 sqft |
|---|---|
| Porch | Open Porch |
| Porch Area | 144 sqft |
| Deck Area | 140 sqft |
| Patio Area | 200 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Radiant |
| Sewer | Municipal |
| Account Number | 00988792 |
|---|---|
| Street Address | 817 ISLINGTON ST |
| City | SILVER SPRING |
| State | MD |
| Zip | 20910-4909 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R60 |
| Legal Description | BLAIR SEC 2 |
| Legal Subdivision | BLAIR |
| Legal Block | J |
| Legal Lot Number | 25 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 13 |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 702402 |
817 Islington St is owned and occupied by two individuals who bought it in October 2009.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 817 ISLINGTON ST, SILVER SPRING, MD 20910-4909 |
| Occupancy | Owner Occupied |
| 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 | Oct 1, 2009 · Amount on File |
| Deed Sale | Oct 1, 2009 · Amount on File |
| Prior Sale | Aug 26, 2004 · Amount on File |
| Deed Document Number | 200917658 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Property Address | 817 ISLINGTON ST, SILVER SPRING, MD 20910-4909 |
| Document Number | 0612090209 |
| Instrument Date | Oct 26, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Apr 20, 2021 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|---|
| Address | 817 ISLINGTON ST SILVER SPRING MD 209104909, SILVER SPRING, MD 20910-4909 |
| Document Number | 0612090209 |
|---|---|
| Date | Dec 1, 2020 |
| Book Page | 061209/000209 |
| Name | AMERISAVE MTG |
|---|---|
| Type | Mortgage Company |
| Address | ATLANTA, GA 30305 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 240 Months |
| Due | Nov 30, 2040 |
The 2025 property tax bill for 817 Islington St was $7,599.
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 | $666,267 (+2.64%) | $683,400 (-) Land $313,500 Building $369,900 | |
| 2025 | $7,599.00 | $649,133 | $683,400 Land $313,500 Building $369,900 |
| 2023 | $632,000 Land $313,500 Building $318,500 | $632,000 Land $313,500 Building $318,500 | |
| 2022 | $6,935.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 817 Islington St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2018.
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 | 2 in force |
| Nearby Flood Claims | 1 (2018) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | May 2018 · 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.
The area around 817 Islington St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 409 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Starry.
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