Montgomery County property record for 309 Windsor St, Silver Spring, MD 20910 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bathrooms | 3 Baths |
| Year Built | Built 1938 |
| Square Footage | 2,684 sqft Living Area |
| Lot Size | 10,289 sqft (0.236 acres) |
| Garage | 200 sqft |
| Occupancy | Owner Occupied |
| Last Sale | $840,000 (2015) |
| Tax Bill | $10,375.00 (2025) |
Source: Montgomery County records · APN 13-01051540
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 | 309 WINDSOR ST, SILVER SPRING, MD 20910-4241 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Nov 15, 2021 | Deed of Trust, Mortgage · Line of Credit ESSEX BANK |
| Jan 10, 2022 | Deed, Transfer · Conventional Mortgage PROSPERITY HOME MORTGAGE LLC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 08, 2015 · Amount on Record |
| Deed Sale | Dec 08, 2015 · Amount on Record |
| Prior Sale | Jul 23, 2004 · Amount on Record |
| Deed Book / Page | 51346 / 383 |
| Transfer Doc | 0000019864 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Property Address | 309 WINDSOR ST, SILVER SPRING, MD 20910-4241 |
| Transaction Type | Mortgage |
| Record Updated | May 26, 2022 |
| Name | Verified Name |
|---|---|
| Address | 309 WINDSOR ST, SILVER SPRING, MD 20910-4241 |
| Document Number | 0645800197 |
|---|---|
| Date | Nov 15, 2021 |
| Book Page | 64580/197 |
| Name | ESSEX BANK |
|---|---|
| Type | Bank |
| Address | BOWIE, MD 20720 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Recording Date | Jan 10, 2022 |
| Property Address | 309 WINDSOR ST, SILVER SPRING, MD 20910-4241 |
| Document Number | 0650090285 |
| Book / Page | 65009 / 285 |
| Map Reference | MB 18 PL 1133 |
| Instrument Date | Dec 16, 2021 |
| Transaction Type | Transfer |
| Record Updated | Jan 28, 2022 |
| Title Company | NOT AVAILABLE, RGS TITLE OF BETHESDA |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $13,437.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 309 WINDSOR ST, SILVER SPRING, MD 20910-4241 |
| Document Number | 0065009293 |
|---|---|
| Date | Jan 10, 2022 |
| Instrument | 65009/293 |
| Name | PROSPERITY HOME MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 01, 2052 |
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 | $980,800 (+9.57%) | $1,066,500 (-) Land $363,500 Building $703,000 | |
| 2025 | $10,375.00 (+3.25%) | $895,100 (+10.59%) | $1,066,500 (+31.76%) Land $363,500 Building $703,000 |
| 2024 | $10,048.00 (+12.99%) | ||
| 2023 | $809,400 Land $363,500 Building $445,900 | $809,400 Land $363,500 Building $445,900 | |
| 2022 | $8,893.00 |
Source: FEMA National Flood Hazard Layer, Montgomery County (24031C), updated April 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 13-01051540 |
|---|---|
| Alternative APN |
|
| Full Baths | 3 Baths |
|---|---|
| Partial Baths | 2 Partial Baths |
| Building Area | 2,684 sqft Living Area |
| 1st Floor | 1,156 sqft 1st Floor |
| Basement Area | 400 sqft Basement |
| Finished Basement | 400 sqft Finished |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1938 |
| Architectural Style | Bi-Level Style |
| Exterior Material | Brick Exterior |
| Construction Type | Frame Construction |
| Roof Material | Slate Roof |
| Lot Area | 10,289 sqft (0.236 acres) |
| Garage Area | 200 sqft Garage |
| Deck Area | 150 sqft Deck |
| Porch | Open Porch |
| Porch Area | 120 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | HVAC Heating |
| Sewage | Municipal Sewage |
| Account Number | 01051540 |
|---|---|
| Street Address | 309 WINDSOR ST |
| City | SILVER SPRING |
| State | MD |
| Zip | 20910-4241 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SLIGO PARK HILLS SEC 6 |
| Legal Subdivision | SLIGO PARK HILLS |
| Legal Block | O |
| Legal Lot Number | 3 |
| Jurisdiction | MONTGOMERY MD |
| Minor Civil Division | 13 |
| Census Blockgroup | 5 |
| Census Block | 5007 |
| Census Tract | 702900 |
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