816 Jonker Ct, Gaithersburg, MD 20878 Property Records

Montgomery County property record for 816 Jonker Ct, Gaithersburg, MD 20878

Property Summary

Property Type	Single Family Home
Details	3 ba · 2,456 sqft · built 1970
Lot Size	0.432 acres (18,813 sqft)
Owner	2 Individual Names on File
Last Sale	$132,800 (Jul 1986)
Tax Bill	$6,938 (2025)
Deeds & Mortgages	Oct 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`09-00828767`

Property Details

APN / Parcel Number

Primary APN	`09-00828767`
Alternative APN	`00828767`

Interior

Full Baths	3 Baths
Stories	2 Stories
Building Area	2,456 sqft Living Area
Gross Area	2,804 sqft
1st Floor Area	1,452 sqft
Basement Area	300 sqft
Finished Basement	300 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1970
Architectural Style	Bi-Level
Exterior Material	Combination
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	18,813 sqft (0.432 acres)
Garage Type	Attached
Garage Area	348 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	00828767
Street Address	816 JONKER CT
City	GAITHERSBURG
State	MD
Zip	20878-1881
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R90
Legal Description	DIAMOND COURTS
Legal Subdivision	DIAMOND COURTS
Legal Block	C
Legal Lot Number	53
Jurisdiction	MONTGOMERY MD
Township / Civil Division	9
Census Block Group	2
Census Block	2000
Census Tract	700823

Owner

816 Jonker Ct is owned and occupied by two individuals who bought it in July 1986.

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

Owner of Record	2 Individual Names on File
Mailing Address	816 JONKER CT, GAITHERSBURG, MD 20878-1881
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants by the Entirety

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

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 7, 1986 · Amount on File
Deed Sale	Jul 7, 1986 · Amount on File
Deed Book / Page	7191 / 841
Record Updated	Sep 20, 2026

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MONTGOMERY MD
Property Address	816 JONKER CT, GAITHERSBURG, MD 20878-1881
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	COMMONWEALTH LAND TTL INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	816 JONKER CT, GAITHERSBURG, MD 20878-1881

Mortgage

Document Number	0608250398
Date	Oct 20, 2020
Book Page	60825/398

Lender

Name	WESBANCO BANK INC
Type	Bank
Address	WHEELING, WV 26003

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Oct 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 816 Jonker Ct was $6,938.

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		$587,300 (+7.47%) Land $266,600 Building $320,700	$587,300 (-) Land $266,600 Building $320,700
2025	$6,938.00	$546,500	$587,300 Land $266,600 Building $320,700
2023		$464,900 Land $266,600 Building $198,300	$464,900 Land $266,600 Building $198,300
2022	$5,496.00

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

Flood

FEMA maps place 816 Jonker Ct 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 · OpenFEMA NFIP redacted claims and policies, as of September 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
Nearby Flood Policies	2 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.

Wildfire

Wildfire risk around 816 Jonker Ct 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 98% of the US · lower than 96% of Maryland
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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 211 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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