Montgomery County property record for 511 White Surf Dr, Gaithersburg, MD 20878
| Property Type | Townhouse |
|---|---|
| Details | 1.5 ba · 1,320 sqft · built 1986 |
| Lot Size | 0.05 acres (2,160 sqft) |
| Owner | Individual Name on File |
| Last Sale | $295,000 (Oct 2008) |
| Tax Bill | $4,577 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-02434746 |
| Primary APN | 09-02434746 |
|---|---|
| Alternative APN |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 1,320 sqft Living Area |
| 1st Floor Area | 680 sqft |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Townhouse |
| Exterior Material | Siding |
| Roof Material | Composition Shingle |
| Lot Area | 2,160 sqft (0.05 acres) |
| Porch | Open Porch |
| Porch Area | 120 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 02434746 |
|---|---|
| Street Address | 511 WHITE SURF DR |
| City | GAITHERSBURG |
| State | MD |
| Zip | 20878-2938 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | R20 |
| Legal Description | PARK SUMMIT |
| Legal Subdivision | PARK SUMMIT |
| Legal Block | A |
| Legal Lot Number | 15 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 9 |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 700837 |
Source: Montgomery County assessment roll, as of August 17, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 511 WHITE SURF DR, GAITHERSBURG, MD 20878-2938 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 28, 2008 · Amount on Record |
| Deed Sale | Oct 28, 2008 · Amount on Record |
| Prior Sale | Nov 22, 2002 · Amount on Record |
| Deed Document Number | 2008123285 |
| Record Updated | Sep 20, 2026 |
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 | $345,900 (+5.07%) Land $150,000 Building $195,900 | $345,900 (-) Land $150,000 Building $195,900 | |
| 2025 | $4,577.00 (+42.85%) | $329,200 (+11.29%) | $345,900 (+16.94%) Land $150,000 Building $195,900 |
| 2023 | $295,800 Land $120,000 Building $175,800 | $295,800 Land $120,000 Building $175,800 | |
| 2022 | $3,204.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 1 in force |
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: 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 |
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 256 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 / 250 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Radiate Holdings, T-Mobile USA.
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