Montgomery County property record for 9109 Louis Ave, Silver Spring, MD 20910
| Property Type | Single Family Home |
|---|---|
| Details | 1.5 ba · 1,388 sqft · built 1935 |
| Lot Size | 0.144 acres (6,289 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $120,000 (Mar 1987) |
| Tax Bill | $5,250 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 13-01418331 |
| Primary APN | 13-01418331 |
|---|---|
| Alternative APN |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 1,388 sqft Living Area |
| 1st Floor Area | 988 sqft |
| Basement Area | 400 sqft |
| Finished Basement | 400 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1935 |
|---|---|
| Effective Year Built | Effective 1935 |
| Architectural Style | Townhouse |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 6,289 sqft (0.144 acres) |
| Garage Type | Attached |
| Garage Area | 288 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Baseboard |
| Sewer | Municipal |
| Account Number | 01418331 |
|---|---|
| Street Address | 9109 LOUIS AVE |
| City | SILVER SPRING |
| State | MD |
| Zip | 20910-2129 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R60 |
| Legal Description | N WOODSIDE SEC 3 |
| Legal Subdivision | NORTH WOODSIDE |
| Legal Block | B |
| Legal Lot Number | 5 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 13 |
| Census Block Group | 2 |
| Census Block | 2025 |
| Census Tract | 702800 |
9109 Louis Ave is owned and occupied by two individuals who bought it in March 1987.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 9109 LOUIS AVE, SILVER SPRING, MD 20910-2129 |
| 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 | Mar 31, 1987 · Amount on File |
| Deed Sale | Mar 31, 1987 · Amount on File |
| Deed Book / Page | 7613 / 623 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 9109 Louis Ave was $5,250.
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 | $450,100 (+1.12%) | $455,100 (-) Land $334,600 Building $120,500 | |
| 2025 | $5,250.00 | $445,100 | $455,100 Land $334,600 Building $120,500 |
| 2023 | $423,500 | $440,100 Land $299,900 Building $140,200 | |
| 2022 | $4,451.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 9109 Louis Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims 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 |
| Flood Insurance Cost | Premium on File median of 11 policies |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 3 (2018–2021) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Sep 2021 · 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.
Wildfire risk around 9109 Louis Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| 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 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 470 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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