10520 Macarthur Blvd, Potomac, MD 20854 Property Records

Montgomery County property record for 10520 Macarthur Blvd, Potomac, MD 20854

Property Summary

Property Type	Single Family Home
Details	5.5 ba · 7,258 sqft · built 1988
Lot Size	0.538 acres (23,436 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,600,000 (Nov 2021)
Tax Bill	$17,708 (2025)
Deeds & Mortgages	Nov 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`10-02353035`

Property Details

APN / Parcel Number

Primary APN	`10-02353035`
Alternative APN	`02353035`

Interior

Full Baths	5.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	7,258 sqft Living Area
Gross Area	8,086 sqft
1st Floor Area	3,182 sqft
Basement Area	2,000 sqft
Finished Basement	2,000 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Architectural Style	Bi-Level
Exterior Material	Brick
Construction Type	Brick
Roof Material	Wood Shingle
Lot Area	23,436 sqft (0.538 acres)
View / Lot	Waterfront
Garage Type	Attached
Garage Area	828 sqft
Parking Spaces	3 Parking Spaces
Deck Area	408 sqft
Patio Area	312 sqft
Boat Access	Boat Access

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	02353035
Street Address	10520 MACARTHUR BLVD
City	POTOMAC
State	MD
Zip	20854-3837
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R200
Legal Description	MACARTHUR PARK
Legal Subdivision	KNOLLWOOD
Legal Block	1
Legal Lot Number	P7
Jurisdiction	MONTGOMERY MD
Township / Civil Division	10
Census Block Group	1
Census Block	1018
Census Tract	706008

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 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 Record
Mailing Address	10520 MACARTHUR BLVD, POTOMAC, MD 20854-3837
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants by the Entirety

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 17, 2021 · Amount on Record
Deed Sale	Nov 17, 2021 · Amount on Record
Prior Sale	Jan 9, 2004 · Amount on Record
Deed Book / Page	64613 / 358
Transfer Doc	0000124395
Record Updated	Sep 20, 2026

November 2021: Deed, Transfer

Document Type	Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Nov 17, 2021
Property Address	10520 MACARTHUR BLVD, POTOMAC, MD 20854-3837
Document Number	0646130358
Book / Page	64613 / 358
Map Reference	MB 124 PL 14578
Instrument Date	Nov 5, 2021
Transaction Type	Transfer
Record Updated	Aug 11, 2022
Title Company	NOT AVAILABLE, MULTIPLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$24,000.00
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	10520 MACARTHUR BLVD, POTOMAC, MD 20854-3837

Mortgage

Document Number	0064613365
Date	Nov 17, 2021
Instrument	64613/365

Lender

Name	NASA FCU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2051

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		$1,573,000 (+2.2%)	$1,640,600 (+6.59%) Land $512,700 Building $1,127,900
2025	$17,708.00 (+21.04%)	$1,539,200 (+9.4%) Land $512,700 Building $1,026,500	$1,539,200 (-) Land $512,700 Building $1,026,500
2023		$1,406,933	$1,539,200 Land $512,700 Building $1,026,500
2022	$14,630.00

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
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 27 policies
Nearby Flood Policies	27 in force
Nearby Flood Claims	3 (2019–2025)
Claims Outside the SFHA	3 of 3
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 137 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Xfinity Cable	1,200 / 35

Cell Coverage

4G LTE only, no 5G reported

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