OFF MARKET

Off Market Oct 2019 for $1.2M

$1,745,522

Est. refi paymentEst. refi $3,656/mo

•

6,824

sq ft

13329 Query Mill Rd, North Potomac, MD 20878

About this home

* NEW LISTING! * Welcome to QUERY MILL HOUSE a dream home inspired by the legendary architect Frank Lloyd Wright and masterfully built in 1996 by Scott Banks of the award-winning Banks Development Co for his own personal residence. This is the first time QUERY MILL HOUSE has ever been offered for sale to the general public, so don't miss this once-in-a-lifetime chance to own a true architectural masterpiece! Meticulously maintained with tasteful stone and wood accents throughout. Designed for the sophisticated buyer who enjoys relaxation, nature and entertainment. Perched up high on a prime 2 acre lot. Walls of windows and plentiful skylights fill this stunning home with abundant natural light. Enjoy both sunrises and sunsets from the intentional South facing orientation. Every room will "WOW" you! Highlights include a spacious gourmet "Le Cordon Bleu" chef's eat-in kitchen, open family room and an oversized stone patio with a custom shaded pergola that overlooks a pool, sports court and a lush private backyard. Lower level includes a private home theatre, billiards room, gym, sauna and plenty of bonus space for additional recreational use and storage. QUERY MILL HOUSE offers a close-in North Potomac location off River Road near Glenstone with easy access to Potomac Village, Downtown Bethesda, Pike & Rose, RIO, Kentlands, 495 & 270. Click on the virtual tour link for a high-tech 3D Tour! HURRY!! THIS WON'T LAST LONG!!!

Single-familyProperty Type

1996Year Built

2 acresLot Size

$256Est. Price/Sq.Ft.

Listed by Christopher Itteilag • Washington Fine Properties, LLC

•202-944-5000 (broker)

•info@wfp.com (broker)

Bought with Andrew Adelsberger • Coldwell Banker Realty

•301-983-0200 (broker)

•kelly.nicklas@cbmove.com (broker)

Redfin checked: 3 minutes ago

•Source:BRIGHT MLS #MDMC670448

Redfin Estimate

$1,745,522

$496K since sold in October 2019$14K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8.1% lower than the average sale price ($1.90M) of 6 comparable homes.

BOUGHT WITH REDFIN JUL 15, 2026
$1,850,000
A
6 beds5 baths8,000 sq ft
12601 Tribunal Ln, Potomac, MD 20854
SOLD JUL 9, 2026
$2,500,000
B
7 beds7.5 baths9,169 sq ft
13516 Travilah Rd, North Potomac, MD 20878
SOLD JUN 24, 2026
$2,222,500
C
5 beds6.5 baths6,583 sq ft
13580 Stonebarn Ln, North Potomac, MD 20878
SOLD MAY 14, 2026
$1,750,000
D
6 beds6.5 baths6,396 sq ft
12321 Rivers Edge Dr, Potomac, MD 20854
SOLD AUG 14, 2026
$1,650,000
E
6 beds5 baths5,760 sq ft
6 Travilah Ter, Potomac, MD 20854
SOLD JUN 29, 2026
$1,425,000
F
6 beds5 baths5,681 sq ft
14804 Turkey Foot Rd, Gaithersburg, MD 20878

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Earn from this home

Sell

$781,244

Est. take-home

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Refinance

Est. cash available

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Rent

$4,397/mo

Redfin rental estimate

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Market trends in 20878, MD

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.4%

+0.1% MoM

Median sale price

$753K

$3K MoM

Avg. days on market

29d

2 days MoM

Recently sold homes

224

33 MoM

New listings for sale

OPEN SAT, 1PM TO 3PM
$499,000
3 beds2.5 baths1,714 sq ft
410 Curry Ford Ln, Gaithersburg, MD 20878
(240) 630-8689
$615,000
4 beds3 baths1,538 sq ft
12108 Sioux Pl, Gaithersburg, MD 20878
(855) 450-0442
OPEN SAT, 12PM TO 3PM
$550,000
4 beds3.5 baths2,082 sq ft
25 Earth Star Pl, Gaithersburg, MD 20878
(202) 966-1400
NEW 12 HRS AGO
$375,000
3 beds2.5 baths1,143 sq ft
12506 Granite Ridge Dr #12506, North Potomac, MD 20878
(240) 403-0400
$459,000
2 beds2 baths1,217 sq ft
406 Kentlands Blvd #102, Gaithersburg, MD 20878
(301) 424-9444
$850,000
5 beds3.5 baths2,841 sq ft
15804 Seurat Dr, North Potomac, MD 20878
(240) 497-0408
OPEN SUN, 1PM TO 3PM
$809,000
3 beds3.5 baths3,170 sq ft
700 Beacon Hill Ter, Gaithersburg, MD 20878
(301) 591-3920
COMING SOON
$835,000
4 beds3.5 baths3,245 sq ft
11808 Mango Ln, North Potomac, MD 20878
(410) 823-0033
$1,450,000
5 beds4.5 baths7,002 sq ft
13813 Golden Fields Ct, Darnestown, MD 20878
(703) 581-8605
COMING SOON
10921 Outpost Dr, North Potomac, MD 20878
$1,080,000
5 beds3.5 baths3,262 sq ft
10921 Outpost Dr, North Potomac, MD 20878
(301) 523-8008
See all

Provided by Redfin

Sale history for 13329 Query Mill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$16,739 (+10.6%)

2024

$15,139 (+4.4%)

2023

$14,498 (+9.1%)

$508,200 + $799,200

$1,307,400

2022

$13,283 (+5.2%)

2021

$12,631 (+0.3%)

2020

$12,599 (+0.2%)

$484,000 + $665,900

$1,149,900

2019

$12,574 (−2.4%)

$484,000 + $665,900

$1,149,900

2018

$12,888 (+1.6%)

$484,000 + $693,000

$1,177,000

2017

$12,686 (+8.3%)

2015

$11,716 (−1.2%)

$440,000 + $619,800

$1,059,800

2014

$11,854 (−9.1%)

2013

$13,048 (+4.7%)

2012

$12,468 (+4.6%)

2011

$11,915

2010

$11,915 (+6.3%)

2009

$11,210

Tax history for 13329 Query Mill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$16,739 (+10.6%)

2024

$15,139 (+4.4%)

2023

$14,498 (+9.1%)

$508,200 + $799,200

$1,307,400

2022

$13,283 (+5.2%)

2021

$12,631 (+0.3%)

2020

$12,599 (+0.2%)

$484,000 + $665,900

$1,149,900

2019

$12,574 (−2.4%)

$484,000 + $665,900

$1,149,900

2018

$12,888 (+1.6%)

$484,000 + $693,000

$1,177,000

2017

$12,686 (+8.3%)

2015

$11,716 (−1.2%)

$440,000 + $619,800

$1,059,800

2014

$11,854 (−9.1%)

2013

$13,048 (+4.7%)

2012

$12,468 (+4.6%)

2011

$11,915

2010

$11,915 (+6.3%)

2009

$11,210

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning
Permits

Beds

—

Baths

Stories

Lot width

—

Lot depth

—

Lot size

2 Acres

Year renovated

—

Sq. Ft.

6,824

Year built

1996

Style

Single Family Residential

County

Montgomery County

APN

06 00404225

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 17, 2026.

RE-2

Residential Estate - 2 Zone

The intent of the RE-2 zone is to provide designated areas of the County for large-lot residential uses. The predominant use is residential in a detached house.

Permitted uses

Include but are not limited to:

Agriculture-Other
Religious facility
Housing-Single unit
Housing-Senior
Infrastructure-Other
Public service
Kennel
Transportation-Other
Park & open space

Property details

Parking

Parking Information
Driveway

Interior

Virtual Tour

Bedroom Information
# of Bedrooms On Main Level: 7

Bathroom Information
# of Bathrooms (Half) On Main Level: 1
# of Bathrooms (Full) On Main Level: 6
# of Bathrooms (Half) On 1st Lower Level: 1
# of Bathrooms (Full) On 1st Lower Level: 1
# of Bathrooms (Half) On All Lower Levels: 1
# of Bathrooms (Full) On All Lower Levels: 1
# of Bathrooms (Half): 2
# of Bathrooms (Full): 7

Interior Information
Living Area Sq.Ft. Source: Assessor

Fireplace Information
# of Fireplaces: 1

Basement Information
Basement: Yes
Fully Finished

Exterior

Property Information
Total Below Grade Sq. Ft.: 4824
Accessibility Features: Other
Improvement Assessed Value: $693,000
Ownership Interest: Fee Simple
Year Built Source: Assessor

Building Information
Construction Materials: Stucco, Stone
Other Structures: Above Grade, Below Grade
Structure Type: Detached

Pool Information
Personal Pool

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $484,000

Above Grade Information
Finished Sq.Ft.: 4,824
Finished Sq.Ft. Source: Assessor

Below Grade Information
Unfinished Sq.Ft.: 2,824
Unfinished Sq.Ft. Source: Assessor
Finished Sq.Ft.: 2,000
Finished Sq.Ft. Source: Assessor

Financial

Tax Information
County Tax: $12,679
Tax Assessed Value: $1,177,000
Tax Year: 2019
Tax Annual Amount: $13,265

Assessments Information
Year Assessed: 2019

Utilities

Utilities Information
Central Air
Cooling Type: Central A/C
Cooling Fuel: Electric
Forced Air
Heating Fuel: Propane - Owned
Hot Water: Propane, Electric
Sewer Septic: Community Septic Tank, Private Septic Tank
Water Source: Well

Location

School Information
Elementary School: TRAVILAH
Middle Or Junior School: ROBERT FROST
High School: THOMAS S. WOOTTON
School District Name: MONTGOMERY COUNTY PUBLIC SCHOOLS
Elementary School Source: 3rd Party
Middle School Source: 3rd Party
High School Source: 3rd Party
School District Source: 3rd Party

Location Information
Outside City Limits
Directions: Near Glenstone Contemporary Art Museum

Public facts

Beds: —
Baths: 8.0
Sq. Ft.: 6,824
Stories: 1.0
Lot Size: 2 acres
Style: Single Family Residential
Year Built: 1996
Year Renovated: —
County: Montgomery County
APN: 06 00404225

Home facts updated by county records on Jul 17, 2026

Around this home

Schools

Travilah Elementary School

Public K-5 • Assigned • 1.7mi

9/10

Robert Frost Middle School

Public 6-8 • Assigned • 4.9mi

9/10

Thomas S. Wootton High School

Public 9-12 • Assigned • 5.1mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 102° expected this year, 16 days in 30 years

4/10 Wind Factor

9% chance of strong winds in next 30 years

3/10 Air Factor

3 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

North Potomac, MD • 20878

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.3 hours in June and 4.1 hours in December, placing it below the U.S. average for solar exposure.

9.3 hrs

4.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.66M – $2.01M

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New listings for sale in 20878

OPEN SAT, 1PM TO 3PM

$499,000

3 beds2.5 baths1,714 sq ft

410 Curry Ford Ln, Gaithersburg, MD 20878

(240) 630-8689

$615,000

4 beds3 baths1,538 sq ft

12108 Sioux Pl, Gaithersburg, MD 20878

(855) 450-0442

OPEN SAT, 12PM TO 3PM

$550,000

4 beds3.5 baths2,082 sq ft

25 Earth Star Pl, Gaithersburg, MD 20878

(202) 966-1400

NEW 12 HRS AGO

$375,000

3 beds2.5 baths1,143 sq ft

12506 Granite Ridge Dr #12506, North Potomac, MD 20878

(240) 403-0400

$459,000

2 beds2 baths1,217 sq ft

406 Kentlands Blvd #102, Gaithersburg, MD 20878

(301) 424-9444

$850,000

5 beds3.5 baths2,841 sq ft

15804 Seurat Dr, North Potomac, MD 20878

(240) 497-0408

OPEN SUN, 1PM TO 3PM

$809,000

3 beds3.5 baths3,170 sq ft

700 Beacon Hill Ter, Gaithersburg, MD 20878

(301) 591-3920

COMING SOON

$835,000

4 beds3.5 baths3,245 sq ft

11808 Mango Ln, North Potomac, MD 20878

(410) 823-0033

$1,450,000

5 beds4.5 baths7,002 sq ft

13813 Golden Fields Ct, Darnestown, MD 20878

(703) 581-8605

Home values near 13329 Query Mill Rd

Data from public records.

Address	Redfin Estimate
13330 Query Mill Road, North Potomac, MD - Beds \| 2.5 Baths \| 2100 Sq. Ft.	$1,030,066
13317 Query Mill Road, North Potomac, MD 5 Beds \| 4.5 Baths \| 4822 Sq. Ft.	$1,544,137

Address	Redfin Estimate
13321 Query Mill Road, North Potomac, MD - Beds \| 3.5 Baths \| 4668 Sq. Ft.	$1,235,475
13315 Query Mill Road, North Potomac, MD - Beds \| 1 Baths \| 2536 Sq. Ft.	$859,572

Address	Redfin Estimate
13341 Query Mill Road, North Potomac, MD - Beds \| 3.5 Baths \| 3748 Sq. Ft.	$1,197,086
13349 Query Mill Road, North Potomac, MD - Beds \| 3 Baths \| 3424 Sq. Ft.	$1,156,406

Property information provided by BRIGHT MLS when last listed in 2019. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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