Montgomery County property record for 20 Walker Ave, Gaithersburg, MD 20877
| Property Type | Single Family Home |
|---|---|
| Details | 1.5 ba · 2,130 sqft · built 1911 |
| Lot Size | 0.406 acres (17,668 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,690 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-00847203 |
| Primary APN | 09-00847203 |
|---|---|
| Alternative APN |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,130 sqft Living Area |
| Gross Area | 2,186 sqft |
| 1st Floor Area | 1,272 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1911 |
|---|---|
| Effective Year Built | Effective 1911 |
| Architectural Style | Bi-Level |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 17,668 sqft (0.406 acres) |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 296 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Radiant |
| Sewer | Municipal |
| Account Number | 00847203 |
|---|---|
| Street Address | 20 WALKER AVE |
| City | GAITHERSBURG |
| State | MD |
| Zip | 20877-2704 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R90 |
| Legal Description | WALKERS ADD |
| Legal Subdivision | WALKERS ADD |
| Legal Block | 4 |
| Legal Lot Number | 20 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 9 |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 700723 |
20 Walker Ave, a single family home, is owned by two individuals.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 9224 SLATER ST, OVERLAND PARK, KS 66212-3825 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 20 Walker Ave was $5,690.
Source: Montgomery County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Montgomery County |
| Municipality | Gaithersburg City |
| Unified School District | Montgomery County Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $487,400 (+6.99%) Land $187,200 Building $300,200 | $487,400 (-) Land $187,200 Building $300,200 | |
| 2025 | $5,690.00 | $455,567 | $487,400 Land $187,200 Building $300,200 |
| 2023 | $391,900 Land $172,000 Building $219,900 | $391,900 Land $172,000 Building $219,900 | |
| 2022 | $4,052.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20 Walker Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective April 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 20 Walker 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 97% of the US · lower than 94% 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 196 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures