Montgomery County property record for 421 Christopher Ave, Apt 11, Gaithersburg, MD 20879
| Property Type | Condominium |
|---|---|
| Details | 2 ba · 1,164 sqft · built 1975 |
| Lot Size | 0.051 acres (2,207 sqft) |
| Owner | Individual Name on File |
| Last Sale | $245,000 (Mar 2024) |
| Tax Bill | $2,639 (2025) |
| Deeds & Mortgages | Mar 2024 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-01710305 |
| Primary APN | 09-01710305 |
|---|---|
| Alternative APN |
|
| Full Baths | 2 Baths |
|---|---|
| Units | 28 Units |
| Building Area | 1,164 sqft Living Area |
| 1st Floor Area | 1,164 sqft |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Condo/Apartment |
| Lot Area | 2,207 sqft (0.051 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 01710305 |
|---|---|
| Street Address | 421 CHRISTOPHER AVE, 11 |
| City | GAITHERSBURG |
| State | MD |
| Zip | 20879-3523 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | R18 |
| Legal Description | UNIT 11 HYDE PARK PH ASE 2A PAR B |
| Legal Subdivision | HYDE PARK PHASE 2A |
| Legal Phase | AS |
| Legal Block | 1 |
| Legal Unit | 11 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 9 |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 700733 |
421 Christopher Ave, Apt 11 is owned by an individual who bought it in March 2024.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 421 CHRISTOPHER AVE, 11, GAITHERSBURG, MD 20879-3523 |
| Owner Type | Individual |
| Vesting | Sole Owner |
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 | Name on Deed |
|---|---|
| Last Sale | Mar 1, 2024 · Amount on File |
| Deed Sale | Mar 1, 2024 · Amount on File |
| Prior Sale | Oct 24, 2003 · Amount on File |
| Deed Book / Page | 67790 / 7 |
| Transfer Doc | 0000119599 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Recording Date | Mar 1, 2024 |
| Property Address | 421 CHRISTOPHER AVE APT 11, 11, GAITHERSBURG, MD 20879-3523 |
| Document Number | 0677900007 |
| Book / Page | 67790 / 7 |
| Map Reference | MB 15 PL 1578-1584 |
| Instrument Date | Feb 28, 2024 |
| Transaction Type | Transfer |
| Record Updated | Apr 16, 2024 |
| Title Company | CORE TITLE GROUP LLC |
| Amount | Amount on Record |
|---|---|
| Tax | $1,225.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Severalty |
| Address | 421 CHRISTOPHER AVE APT 24, 24, GAITHERSBURG, MD 20879-3523 |
The 2025 property tax bill for 421 Christopher Ave, Apt 11 was $2,639.
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 | $220,000 (+13.79%) Land $66,000 Building $154,000 | $220,000 (-) Land $66,000 Building $154,000 | |
| 2025 | $2,639.00 | $193,333 | $220,000 Land $66,000 Building $154,000 |
| 2023 | $140,000 Land $42,000 Building $98,000 | $140,000 Land $42,000 Building $98,000 | |
| 2022 | $1,142.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 Christopher Ave, Apt 11 in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective April 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| 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 421 Christopher Ave, Apt 11 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 556 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 |
May also be available: T-Mobile.
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