6511 78th St, Cabin John, MD 20818 Property Records

Montgomery County property record for 6511 78th St, Cabin John, MD 20818

Property Summary

Property Type	Single Family Home
Details	6.5 ba · 6,602 sqft · built 2014
Lot Size	0.224 acres (9,750 sqft)
Owner	2 Individual Names on File
Last Sale	$1,530,000 (Sep 2015)
Tax Bill	$19,755 (2025)
Deeds & Mortgages	Mar 2018 Transfer
Flood Zone	Zone X (minimal risk)
APN	`07-00480274`

Property Details

APN / Parcel Number

Primary APN	`07-00480274`
Alternative APN	`00480274`

Interior

Full Baths	6.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	6,602 sqft Living Area
Gross Area	7,130 sqft
1st Floor Area	2,502 sqft
Basement Area	1,660 sqft
Finished Basement	1,660 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2014
Effective Year Built	Effective 2014
Architectural Style	Bi-Level
Exterior Material	Siding
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	9,750 sqft (0.224 acres)
Garage Type	Attached
Garage Area	528 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Open Porch
Porch Area	284 sqft
Deck Area	120 sqft
Patio Area	400 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	00480274
Street Address	6511 78TH ST
City	CABIN JOHN
State	MD
Zip	20818-1308
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R90
Legal Description	CABIN JOHN PARK SEC 1 6407/823
Legal Subdivision	CABIN JOHN PARK
Legal Block	2
Legal Lot Number	55C
Jurisdiction	MONTGOMERY MD
Township / Civil Division	7
Census Block Group	2
Census Block	2005
Census Tract	705800

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Listed Area	Within Washington Aqueduct listed 1973 · 8 contributing resources · National Historic Landmark (designated 1973) · NRIS 73002123

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

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	2 Individual Names on File
Mailing Address	6511 78TH ST, CABIN JOHN, MD 20818-1308
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Sep 28, 2015 · Amount on Record
Deed Sale	Sep 28, 2015 · Amount on Record
Prior Sale	Jul 25, 2013 · Amount on Record
Deed Book / Page	51024 / 499
Last Transfer Date	Feb 9, 2018
Transfer Doc	0557160113
Record Updated	Sep 20, 2026

March 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Mar 1, 2018
Property Address	6511 78TH ST, CABIN JOHN, MD 20818-1308
Document Number	0557160113
Book / Page	055716 / 000113
Instrument Date	Feb 9, 2018
Transaction Type	Transfer
Record Updated	Mar 13, 2018
Title Company	EVERGREEN SETTLEMENT COMPANY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	6511 78TH ST CABIN JOHN MD 208181308, CABIN JOHN, MD 20818-1308

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,789,767 (+12.1%)	$2,176,100 (+36.3%) Land $721,400 Building $1,454,700
2025	$19,755.00 (-0.4%)	$1,596,600 (+6%) Land $655,800 Building $940,800	$1,596,600 (-) Land $655,800 Building $940,800
2024	$19,834.00 (+14.53%)
2023		$1,506,200	$1,596,600 Land $655,800 Building $940,800
2022	$17,318.00

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

Flood

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
Flood Insurance Cost	Premium on Record median of 18 policies
Nearby Flood Policies	18 in force
Nearby Flood Claims	15 (1979–2022)
Claims Outside the SFHA	15 of 15
Most Recent Claim	Aug 2022 · other causes

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 94% of the US · lower than 87% of Maryland
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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 297 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
T-Mobile USA Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20