9621 River Rd, Potomac, MD 20854 Property Records

Montgomery County property record for 9621 River Rd, Potomac, MD 20854

Property Summary

Property Type	Single Family Home
Details	7.5 ba · 7,073 sqft · built 1989
Lot Size	1 acres (43,605 sqft)
Owner	2 Individual Names on File
Last Sale	$2,500,000 (Jan 2023)
Tax Bill	$17,130 (2025)
Deeds & Mortgages	Jan 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`10-00863670`

Property Details

APN / Parcel Number

Primary APN	`10-00863670`
Alternative APN	`00863670`

Interior

Full Baths	7.5 Baths
Half Baths	3 Half Baths
Stories	2 Stories
Building Area	7,073 sqft Living Area
Gross Area	8,082 sqft
1st Floor Area	3,035 sqft
Basement Area	1,560 sqft
Finished Basement	1,560 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Architectural Style	Bi-Level
Exterior Material	Brick
Construction Type	Brick
Roof Material	Slate
Lot Area	43,605 sqft
Garage Type	Attached
Garage Area	775 sqft
Parking Spaces	3 Parking Spaces

Exterior Amenities

Pool Area	720 sqft
Porch	Enclosed Porch
Porch Area	234 sqft
Deck Area	892 sqft
Bath House	225 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	00863670
Street Address	9621 RIVER RD
City	POTOMAC
State	MD
Zip	20854-4637
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R200
Legal Description	MASS AVE HIGHLANDS E TC
Legal Subdivision	MASS AVE HIGHLANDS
Legal Block	3
Legal Lot Number	P40
Jurisdiction	MONTGOMERY MD
Township / Civil Division	10
Census Block Group	3
Census Block	3008
Census Tract	706005

Owner

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

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

Owner of Record	2 Individual Names on File
Mailing Address	9621 RIVER RD, POTOMAC, MD 20854-4637
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 18, 2023 · Amount on File
Deed Sale	Jan 18, 2023 · Amount on File
Prior Sale	Oct 12, 1994 · Amount on File
Deed Book / Page	66667 / 241
Prior Transfer Date	Sep 8, 2015
Prior Transfer Doc	0516140001
Record Updated	Sep 20, 2026

January 2023: Deed, Transfer

Document Type	Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Jan 18, 2023
Property Address	9621 RIVER RD, POTOMAC, MD 20854-4637
Document Number	0666670241
Book / Page	66667 / 241
Instrument Date	Jan 12, 2023
Transaction Type	Transfer
Record Updated	Jan 31, 2023
Title Company	STRATEGIC NATIONAL TITLE GROUP, STRATEGIC NATL TTL GROUP LLC

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$12,500.00
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 by the Entirety
Address	9621 RIVER RD, POTOMAC, MD 20854-4637

Mortgage

Document Number	0066667248
Date	Jan 18, 2023
Instrument	66667/248

Lender

Name	CMG MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2053

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		$1,838,800 (+24.56%)	$2,564,000 (+73.69%) Land $609,800 Building $1,954,200
2025	$17,130.00 (-3.3%)	$1,476,200 (-) Land $609,800 Building $866,400	$1,476,200 (-) Land $609,800 Building $866,400
2024	$17,714.00 (+8.92%)
2023		$1,476,200 Land $609,800 Building $866,400	$1,476,200 Land $609,800 Building $866,400
2022	$16,264.00

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 File median of 12 policies
Nearby Flood Policies	12 in force
Nearby Flood Claims	5 (1979–2025)
Claims Outside the SFHA	4 of 5
Most Recent Claim	Jul 2025 · rainfall accumulation

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 80% of the US · above 41% of Maryland
Wildfire Likelihood	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 207 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	1,200 / 35
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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