13321 Query Mill Rd, North Potomac (Gaithersburg), MD 20878 Property Records

Montgomery County property record for 13321 Query Mill Rd, North Potomac, MD 20878

Property Summary

Property Type	Single Family Home
Details	3.5 ba · 4,837 sqft · built 1967
Lot Size	2.23 acres (97,139 sqft)
Owner	2 Individual Names on File
Tax Bill	$12,859 (2025)
Deeds & Mortgages	Jan 2022 Line of Credit May 2021 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`06-00395621`

Property Details

APN / Parcel Number

Primary APN	`06-00395621`
Alternative APN	`00395621`

Interior

Full Baths	3.5 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	4,837 sqft Living Area
Gross Area	5,665 sqft
1st Floor Area	2,968 sqft
Basement Area	1,869 sqft
Finished Basement	1,869 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1967
Effective Year Built	Effective 1967
Architectural Style	Townhouse
Exterior Material	Combination
Construction Type	Brick
Roof Material	Composition Shingle
Lot Area	97,139 sqft
Garage Type	Attached
Garage Area	576 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Enclosed Porch
Porch Area	168 sqft
Deck Area	288 sqft
Patio Area	216 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Connected

Location & Zoning

Account Number	00395621
Street Address	13321 QUERY MILL RD
City	NORTH POTOMAC
State	MD
Zip	20878-3932
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RE2
Legal Description	GLEN QUERY
Legal Subdivision	ESTATES TRAVILAH
Legal Block	1
Legal Lot Number	7
Jurisdiction	MONTGOMERY MD
Township / Civil Division	6
Census Block Group	1
Census Block	1000
Census Tract	700608

Owner

13321 Query Mill Rd is owned and occupied by two individuals.

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

Owner of Record	2 Individual Names on File
Mailing Address	13321 QUERY MILL RD, NORTH POTOMAC, MD 20878-3932
Occupancy	Owner Occupied
Owner Type	Individual

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
Jan 26, 2022	Deed of Trust, Mortgage · Line of Credit COMMONWEALTH ONE FCU
May 24, 2021	Deed of Trust, Mortgage · Line of Credit MEMBER ADVANTAGE MORTGAGE LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Sep 20, 2026

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MONTGOMERY MD
Property Address	13321 QUERY MILL RD, NORTH POTOMAC, MD 20878-3932
Transaction Type	Mortgage
Record Updated	Feb 9, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0651300329
Date	Jan 26, 2022
Book Page	65130/329

Lender

Name	COMMONWEALTH ONE FCU
Type	Credit Union
Address	ALEXANDRIA, VA 22304

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Jan 25, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MONTGOMERY MD
Property Address	13321 QUERY MILL RD, NORTH POTOMAC, MD 20878-3932
Transaction Type	Mortgage
Record Updated	Jun 16, 2021
Title Company	MBH SETTLEMENT GROUP

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0630720051
Date	May 24, 2021
Book Page	63072/51

Lender

Name	MEMBER ADVANTAGE MORTGAGE LLC
Type	Mortgage Company
Address	GRAND RAPIDS, MI 49512

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	180 Months
Due	May 1, 2036

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 13321 Query Mill Rd was $12,859.

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		$1,161,267 (+5.58%)	$1,222,600 (-) Land $540,200 Building $682,400
2025	$12,859.00	$1,099,933	$1,222,600 Land $540,200 Building $682,400
2023		$1,005,700	$1,038,600 Land $514,500 Building $524,100
2022	$10,749.00

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

Flood

FEMA maps place 13321 Query Mill Rd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2019.

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
Nearby Flood Policies	5 in force
Nearby Flood Claims	1 (2019)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jul 2019 · 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

Wildfire risk around 13321 Query Mill Rd is low, with 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 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 59 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

5G (outdoors only) and 4G LTE

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