Montgomery County property record for 421 Christopher Ave, #3, 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 | $140,000 (Jul 2019) |
| Tax Bill | $1,636 (2025) |
| Deeds & Mortgages | Jul 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-01710225 |
| Primary APN | 09-01710225 |
|---|---|
| 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 | 01710225 |
|---|---|
| Street Address | 421 CHRISTOPHER AVE, 3 |
| City | GAITHERSBURG |
| State | MD |
| Zip | 20879-3523 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | R18 |
| Legal Description | UN 3 HYDE PARK PHASE 2A PAR B |
| Legal Subdivision | HYDE PARK PHASE 2A |
| Legal Phase | 2A |
| Legal Block | 1 |
| Legal Unit | 3 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 9 |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 700733 |
421 Christopher Ave, #3 is owned by an individual who bought it in July 2019.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 421 CHRISTOPHER AVE, T3, GAITHERSBURG, MD 20879-3523 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Jul 23, 2019 · Amount on File |
| Deed Sale | Jul 23, 2019 · Amount on File |
| Deed Book / Page | 57898 / 325 |
| Prior Transfer Date | Dec 18, 2015 |
| Prior Transfer Doc | 0515370382 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Recording Date | Jul 23, 2019 |
| Property Address | 421 CHRISTOPHER AVE # 3, 3, GAITHERSBURG, MD 20879-3523 |
| Document Number | 0578980325 |
| Book / Page | 57898 / 325 |
| Map Reference | MB 16 PL 1578-1584 |
| Instrument Date | Jun 28, 2019 |
| Transaction Type | Transfer |
| Record Updated | Aug 20, 2021 |
| Title Company | HARVEST TITLE & ESCROW LLC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,750.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 421 CHRISTOPHER AVE # 3, 3, GAITHERSBURG, MD 20879-3523 |
| Document Number | 57898334 |
|---|---|
| Date | Jul 23, 2019 |
| Instrument | 57898/334 |
| Name | EAGLE BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 1, 2049 |
The 2025 property tax bill for 421 Christopher Ave, #3 was $1,636, down 28.3% from the year before.
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 | $1,636.00 (-28.34%) | $193,333 | $220,000 Land $66,000 Building $154,000 |
| 2024 | $2,283.00 | ||
| 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, #3 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, #3 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures