421 Christopher Ave, #8, Gaithersburg, MD 20879 Property Records

Montgomery County property record for 421 Christopher Ave, #8, Gaithersburg, MD 20879

Property Summary

Property Type	Condominium
Details	2 ba · 1,422 sqft · built 1975
Lot Size	0.06 acres (2,611 sqft)
Owner	2 Individual Names on File
Last Sale	$290,000 (Sep 2023)
Tax Bill	$3,420 (2025)
Deeds & Mortgages	Sep 2023 Sale & Mortgage Sep 2020 Transfer
Flood Zone	Zone X (minimal risk)
APN	`09-01710271`

Property Details

APN / Parcel Number

Primary APN	`09-01710271`
Alternative APN	`01710271`

Interior

Full Baths	2 Baths
Units	28 Units
Building Area	1,422 sqft Living Area
1st Floor Area	1,422 sqft

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1975
Architectural Style	Condo/Apartment
Lot Area	2,611 sqft (0.06 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	01710271
Street Address	421 CHRISTOPHER AVE, 8
City	GAITHERSBURG
State	MD
Zip	20879-3523
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	R18
Legal Description	UN 8 HYDE PARK PHASE 2-A PAR B
Legal Subdivision	HYDE PARK PHASE 2A
Legal Phase	2
Legal Block	1
Legal Unit	8
Jurisdiction	MONTGOMERY MD
Township / Civil Division	9
Census Block Group	1
Census Block	1001
Census Tract	700733

Owner

421 Christopher Ave, #8 is owned and occupied by two individuals who bought it in September 2023.

Source: Montgomery County records, as of August 17, 2026

Owner of Record	2 Individual Names on File
Mailing Address	421 CHRISTOPHER AVE, 8, GAITHERSBURG, MD 20879-3523
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants in Common

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Sep 18, 2023	Deed, Transfer · Conventional Mortgage GEORGE MASON MORTGAGE LLC
Sep 8, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 18, 2023 · Amount on File
Deed Sale	Sep 18, 2023 · Amount on File
Deed Book / Page	67373 / 98
Prior Transfer Date	Jun 1, 2020
Prior Transfer Doc	0604600498
Record Updated	Sep 20, 2026

September 2023: Deed, Transfer

Document Type	Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Sep 18, 2023
Property Address	421 CHRISTOPHER AVE # 8, 8, GAITHERSBURG, MD 20879-3523
Document Number	0673730098
Book / Page	67373 / 98
Map Reference	MB 16 PL 1578-1584
Instrument Date	Jul 27, 2023
Transaction Type	Transfer
Record Updated	Oct 2, 2023
Title Company	KENSINGTON REALTY TITLE LLC

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$725.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	421 CHRISTOPHER AVE # 8, 8, GAITHERSBURG, MD 20879-3523

Mortgage

Document Number	0067373104
Date	Sep 18, 2023
Instrument	67373/104

Lender

Name	GEORGE MASON MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	359 Months
Due	Aug 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	7.37%
Type Change Date	Aug 1, 2030
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	12.3%
Margin	3
Max Rate	12.3%

September 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Sep 8, 2020
Property Address	421 CHRISTOPHER AVE # 8, 8, GAITHERSBURG, MD 20879-3523
Document Number	0604600498
Book / Page	060460 / 000498
Instrument Date	Jun 1, 2020
Transaction Type	Transfer
Record Updated	Sep 17, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Life Estate
Address	421 CHRISTOPHER AVE #21 GAITHERSBURG MD 208793523, 21, GAITHERSBURG, MD 20879-3523

Tax Assessment & Valuation

The 2025 property tax bill for 421 Christopher Ave, #8 was $3,420, up 14.1% from the year before.

Source: Montgomery County assessment roll, as of August 17, 2026

Property Jurisdictions

Type	Name
State	Maryland
County	Montgomery County
Municipality	Gaithersburg City
Unified School District	Montgomery County Public Schools (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$285,000 (+12.5%) Land $85,500 Building $199,500	$285,000 (-) Land $85,500 Building $199,500
2025	$3,420.00 (+14.08%)	$253,333	$285,000 Land $85,500 Building $199,500
2024	$2,998.00
2023		$190,000 Land $57,000 Building $133,000	$190,000 Land $57,000 Building $133,000
2022	$1,646.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 421 Christopher Ave, #8 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

Wildfire risk around 421 Christopher Ave, #8 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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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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