13320 Signal Tree Ln

$9,950,000
Price
26,716 Sq. Ft.
$372 / Sq. Ft.
26,716
Sq. Ft.
$372
per Sq. Ft.

Description

"Fine Homes & Lifestyles" cover feature! Architecturally distinguished property. Custom built estate, luxury of modern-day amenities combined with imported, antique, historic, thoughtfully resourced building materials & detail bring centuries old world charm to this extraordinary 10-acre Potomac Tuscany inspired Villa. Minutes to Washington DC. 8 to 12 ensuite bedrooms, libraries, offices, spacious gathering & lecture areas. Land your helicopter-security & privacy; entertain large gatherings-wedding..."Fine Homes & Lifestyles" cover feature! Architecturally distinguished property. Custom built estate, luxury of modern-day amenities combined with imported, antique, historic, thoughtfully resourced building materials & detail bring centuries old world charm to this extraordinary 10-acre Potomac Tuscany inspired Villa. Minutes to Washington DC. 8 to 12 ensuite bedrooms, libraries, offices, spacious gathering & lecture areas. Land your helicopter-security & privacy; entertain large gatherings-wedding venues, stone chapel replica of ancient Italian estate w/ Della Robbia inspired bell; entertain fine arts displays or performances; host concert pianist recitals; house guests who travel from abroad to attend your venue - closest to downtown Washington DC, convenient location to northern Virginia and Baltimore; minutes to golf courses hosting major tournaments; Airbnb or bed & breakfast hosts' dream property, great place for a spa, relaxing Turkish baths; NIH, medical institution or University satellite location for gatherings to further education, enrichment, group meetings & presentations, international conferences; embassy or consulate ownership, consular offices, ambassadorial residences, government embassy, serene, gated, security & privacy convenient location close proximity to DC; high-level relocation for foreign service officers; relocation consultants, international organizations & consulates; tranquil, inspiring haven to host retreats or ceremonial gatherings; bring your horses; fish-carp filled pond; grow grapes, vineyard potential; artist's inspirational getaway w/studio to display creations; serenity ,writer's escape from hustle & bustle of city ; swim laps year round "against the current" indoor pool (specially designed HVAC system to reduce humidity) enjoy a game of pool volleyball w/ friends; cook in the true gourmet kitchen boasting a spectacular Lacanche stove imported from France; gracious home family, friends & guests can enjoy. Grand property, designed & built w/integrity & genuine craftmanship. Resources, research, history, the study of light and more combined to recreate the appearance of centuries old, Medieval, European influenced architecture and culture & modern comforts for prestigious living, welcome to "Albero del Segnale" Driveway built of centuries old, repurposed cobblestones, came to this country from Europe as ballasts on sailing ships and were then used to pave city streets. Pass through the iron gates, the double stone entrance pillars capped with custom made lanterns from Italy and along the driveway lined with antique streetlamps. Greeted by the front landing made of hand-hewn antique limestone pavers from Italy and twin Corinthian limestone columns also custom made in Italy. Front doors, supported by gold-plated, hand-chiseled hinges custom made in France, spectacular classic Italian design featuring iron grillwork in the glass transoms and a working "man door," door within a door - tradition dates to Medieval times. Grand foyer drenched with natural light from 2+ story windows, welcomed many renown performers and pianists, fantastic acoustics! Every room in this grand, glorious mansion is abundant with natural light, every angle of each room has magnificent windows connecting pastural rolling views with interior. Centuries-old hand-molded antique terra cotta floors w/imprints of the artisan's fingers & hands as well as occasional animal footprints are forever defined - imprinted before the tiles dried and were fired. Solid iron balusters & railings designed for this home &hand forged in Italy & so much more! No HOA offers many potential uses
  1. Listed by Susan M Hartman • O'Conor, Mooney & Fitzgerald
    P: (410)-608-4299 susan@hartmanteam.realty

Property Details for 13320 Signal Tree Lane

Tax ID Number
160603278022
Ownership
Fee Simple
Condo Coop Association
No
HOA
No
Structure Type
Detached
Style
Villa
Levels/Stories
3
Waterfront
No
LISTING UPDATED: 01/07/2026 02:52 PM

Property Details for 13320 Signal Tree Lane

StatusActive
MLS #MDMC2212744
Days on Market2
Taxes-
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Fee Simple
Year Built2007
Lot Size9.94 AC / 432,986 SF
CountyMontgomery County

Location

Listing Courtesy of O'Conor, Mooney & Fitzgerald
Add your commute

Virtual Tour

Building Information for 13320 Signal Tree Lane

Stories3Year Built2007Building Size-Lot Size9.94 AC / 432,986 SF

Payment Calculator

$57,933 per month

30 year fixed, 6.15% Interest

Principal and Interest

$48,495

Property Taxes

$9,438

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 13320 Signal Tree Lane

Location
Location
  • In City Limits: No
  • School District Name: MONTGOMERY COUNTY PUBLIC SCHOOLS
  • School District County ID: 121138126809
  • SchoolDistrictSource: Listing Agent
  • County: MONTGOMERY
Waterfront / Water Access
Waterfront / Water Access
  • Water View: Yes
  • Water Access: No
  • Water Oriented: No
  • Navigable Water: No
  • Tidal Water: No
  • Riparian Rights Y/N: No
Association / Community Info
Association / Community Info
  • HOA Condo Coop Fee Includes: None
  • HOA Condo Coop Amenities: Other
  • Senior Community: No
  • Association Recreation Fee Y/N: No
Taxes and Assessment
Taxes and Assessment
  • Tax Year: 2025
  • Tax Assessed Value: $0
  • Zoning: OTHER
  • Automatically Update Tax Values Y/N: Yes
Lease Information
Lease Information
  • Pets Allowed: Yes
  • Pet Restrictions: No Pet Restrictions
Rooms
Main
  • # Bedrooms Count Main Level: 1
  • # Bathrooms Count Main Level: 7
  • # Bathrooms Full Main Level: 4
  • # Bathrooms Half Main Level: 3
All Upper Levels
  • # Bedrooms Count All Upper Levels: 5
  • # Bathrooms Count All Upper Levels: 5
  • # Bathrooms Full All Upper Levels: 4
  • # Bathrooms Half All Upper Levels: 1
Upper Level 1
  • # Bedrooms Count Upper Level: 5
  • # Bathrooms Count Upper Level: 5
  • # Bathrooms Full Upper Level: 4
  • # Bathrooms Half Upper Level: 1
All Lower Levels
  • # Bedrooms All Lower Levels: 2
  • # Bathrooms All Lower Levels: 3
  • # Bathrooms Full All Lower Levels: 2
  • # Bathrooms Half All Lower Levels: 1
Lower Level 1
  • # Bedrooms Lower Level: 2
  • # Bathrooms Lower Level: 3
  • # Bathrooms Full Lower Level: 2
  • # Bathrooms Half Lower Level: 1
Rooms
  • Stories: Lower 1, Main, Upper 1
Building Info
Building Info
  • Total Finished SQFT: 26,716.00
  • Total Finished SQFT Source: Assessor
  • Total SQFT: 30,445.00
  • Total SQFT Source: Assessor
  • Construction Materials: Rock, Stone, Brick, Stucco
  • Roof: Tile, Pitched, Other, Concrete
  • Wall and Ceiling Types: 2 Story Ceilings, 9'+ Ceilings, Beamed Ceilings, Brick, Cathedral Ceilings, Dry Wall, High, Block Walls, Masonry, Vaulted Ceilings
  • Flooring Type: Concrete, Hardwood, Slate, Stone, Other
  • Basement Type: Daylight, Full, Fully Finished, Heated, Improved, Interior Access, Outside Entrance, Windows
  • Foundation Details: Other
  • Room and Floor: Bedrooms-Main Level-1, Bathrooms Full-Main Level-1, Bathrooms Full-Main Level-2, Bathrooms Full-Main Level-3, Bathrooms Full-Main Level-4, Bathrooms Half-Main Level-1, Bathrooms Half-Main Level-2, Bathrooms Half-Main Level-3, Bedrooms-Upper Level 1-1, Bedrooms-Upper Level 1-2, Bedrooms-Upper Level 1-3, Bedrooms-Upper Level 1-4, Bedrooms-Upper Level 1-5, Bedrooms-Lower Level 1-1, Bedrooms-Lower Level 1-2, Bathrooms Full-Upper Level 1-1, Bathrooms Full-Upper Level 1-2, Bathrooms Full-Upper Level 1-3, Bathrooms Full-Upper Level 1-4, Bathrooms Full-Lower Level 1-1, Bathrooms Full-Lower Level 1-2, Bathrooms Half-Upper Level 1-1, Bathrooms Half-Lower Level 1-1
  • # Bathrooms Full: 10
  • # Bathrooms Half: 5
  • Other Structure: Shed Shop, 2nd Garage, Barn, Barn/Farm Building, Barn/Stable, Garage(s), Pole Barn, Run-in Shed, Storage Barn/Shed
Lot / Land Information
Lot / Land Information
  • Lot Size Source: Assessor
  • Lot Features: Open, Premium, Private, Rear Yard, Secluded, Other, Fishing Available, Front Yard, Hunting Available, No Thru Street, Partly Wooded, Pond, SideYard(s)
  • Road Surface Type: Paved
  • Road Responsibility: City/County
  • Fencing: Other
  • Parcel ID: 14079192
  • Additional Parcels: No
Parking
Parking
  • Type Of Parking: Driveway, Attached Garage, Other
  • Num of Attached Garage Spaces: 5
  • Driveway - # of Spaces: 100
  • Total Garage Spaces: 5
  • Parking Features: Paved Parking, Private, Brick Driveway, Circular Driveway, Crushed Stone, Lighted Parking, Secure Parking
  • Garage Features: Additional Storage Area, Garage - Side Entry, Garage Door Opener, Inside Access, Oversized, Other
Interior Features
Interior Features
  • Interior Features: 2nd Kitchen, Additional Stairway, Bar, Bathroom - Jetted Tub, Bathroom - Soaking Tub, Bathroom - Walk-In Shower, Breakfast Area, Built-Ins, Dining Area, Elevator, Entry Level Bedroom, Exposed Beams, Family Room Off Kitchen, Floor Plan - Open, Formal/Separate Dining Room, Kitchen - Country, Kitchen - Eat-In, Kitchen - Gourmet, Kitchen - Island, Pantry, Primary Bath(s), Skylight(s), Sprinkler System, Stain/Lead Glass, Store/Office, Stove - Wood, Upgraded Countertops, Walk-in Closet(s), Wet/Dry Bar, Window Treatments, Wood Floors, Other
  • Fireplace: Yes
  • Fireplaces Count: 7
  • Fireplace Features: Mantel(s), Wood, Other, Marble, Stone
  • Appliances: Built-In Microwave, Built-In Range, Cooktop - Down Draft, Cooktop, Dishwasher, Disposal, Dryer, Dryer - Electric, Dryer - Front Loading, Extra Refrigerator/Freezer, Microwave, Range Hood, Refrigerator, Washer, Washer/Dryer Stacked, Water Heater
  • Accessibility Features: 36"+ wide Halls, Doors - Swing In, Level Entry - Main, Other, Elevator, Ramp - Main Level, 2+ Access Exits, 32"+ wide Doors, 48"+ Halls
  • Security Features: Exterior Cameras, Monitored, Security System, Smoke Detector, Carbon Monoxide Detector(s), Fire Detection System
  • Door Features: French, Sliding Glass, Double Entry
  • Laundry Type: Lower Floor, Main Floor, Upper Floor
  • Virtual Tour URL Unbranded: https://youtu.be/GRdVrnUMyck
Exterior Features
Exterior Features
  • Spa: Yes
  • Exterior Features: Extensive Hardscape, Exterior Lighting, Flood Lights, Outbuilding(s), Stone Retaining Walls, Other, Bump-outs, Play Area
  • Outdoor Living Structures: Balconies- Multiple, Patio(s), Porch(es), Roof, Screened, Terrace, Balcony, Breezeway, Brick, Deck(s), Enclosed
  • Pool: Yes - Personal
  • Personal Pool Features: In Ground, Indoor, Lap/Exercise, Other, Heated, Filtered
  • Horse: Yes
Utilities
Utilities
  • Utilities: Other, Propane
  • Heating: Yes
  • Cooling Type: Central A/C, Other, Zoned, Ceiling Fan(s), Heat Pump(s)
  • Cooling Fuel: Electric, Other
  • Heating Type: Other, Zoned
  • Heating Fuel: Electric, Propane - Owned
  • Hot Water: Instant Hot Water, Multi-tank, Propane, Other
  • Water Source: Well
  • Sewer Septic: Septic Exists
  • Electric Service: Generator
Confidential Data
Listing Office
  • List Agent AOR: Greater Baltimore Board of REALTORS

Property History for 13320 Signal Tree Lane

DateEvent & SourcePriceAppreciation
Jan 7, 2026

Listed (Active)

BRIGHT #MDMC2212744

$9,950,000
Oct 6, 2025

Withdrawn

BRIGHT #MDMC2181626

Oct 1, 2025

Listed (Active)

BRIGHT #MDMC2181626

Aug 27, 2025

Withdrawn

BRIGHT #MDMC2181626

May 5, 2025

Listed (Active)

BRIGHT #MDMC2181626

$9,950,000
Apr 30, 2025

Withdrawn

BRIGHT #MDMC2151600

Mar 17, 2025

Price Change

BRIGHT #MDMC2151600

$9,950,000
Nov 4, 2024

Listed (Active)

BRIGHT #MDMC2151600

$10,995,000
Sep 27, 2024

Withdrawn

BRIGHT #MDMC756732

May 17, 2024

Price Change

BRIGHT #MDMC756732

$11,260,000
Apr 26, 2024

Price Change

BRIGHT #MDMC756732

$11,250,000
Apr 26, 2024

Listed (Active)

BRIGHT #MDMC756732

Apr 23, 2024

Temp Off Market

BRIGHT #MDMC756732

May 29, 2022

Price Change

BRIGHT #MDMC756732

$11,500,000
Jun 7, 2021

Price Change

BRIGHT #MDMC756732

$12,750,000
May 24, 2021

Listed (Active)

BRIGHT #MDMC756732

$12,700,000
Nov 17, 2018

Withdrawn

BRIGHT #MDMC100134

$16,000,000
Nov 14, 2018

Listed (Active)

BRIGHT #MDMC100134

$16,000,000
Jan 31, 2002

Closed (Public Record)

Public Record #85657122

$975,000
Jan 15, 2002

Closed

BRIGHT #MDMC369146

$975,000
Dec 19, 2001

Withdrawn

BRIGHT #MDMC568612

$3,000,000
Nov 1, 2001

Pending

BRIGHT #MDMC369146

Jul 17, 2001

Listed (Active)

BRIGHT #MDMC369146

$3,000,000
Jul 17, 2001

Listed (Active)

BRIGHT #MDMC568612

$3,000,000
Dec 12, 2000

Closed

BRIGHT #MDMC386994

$575,000
Nov 16, 2000

Pending

BRIGHT #MDMC386994

Sep 20, 2000

Listed (Active)

BRIGHT #MDMC386994

$595,000
Aug 29, 2000

Withdrawn

BRIGHT #MDMC581706

$579,000
Mar 2, 2000

Withdrawn

BRIGHT #MDMC581736

$475,000
Mar 2, 2000

Listed (Active)

BRIGHT #MDMC581706

$579,000
Mar 31, 1999

Listed (Active)

BRIGHT #MDMC581736

$475,000
DateEvent & SourcePrice
01/07/2026

Listed (Active)

BRIGHT #MDMC2212744

$9,950,000
10/06/2025

Withdrawn

BRIGHT #MDMC2181626

10/01/2025

Listed (Active)

BRIGHT #MDMC2181626

08/27/2025

Withdrawn

BRIGHT #MDMC2181626

05/05/2025

Listed (Active)

BRIGHT #MDMC2181626

$9,950,000
04/30/2025

Withdrawn

BRIGHT #MDMC2151600

03/17/2025

Price Change

BRIGHT #MDMC2151600

$9,950,000
11/04/2024

Listed (Active)

BRIGHT #MDMC2151600

$10,995,000
09/27/2024

Withdrawn

BRIGHT #MDMC756732

05/17/2024

Price Change

BRIGHT #MDMC756732

$11,260,000
04/26/2024

Price Change

BRIGHT #MDMC756732

$11,250,000
04/26/2024

Listed (Active)

BRIGHT #MDMC756732

04/23/2024

Temp Off Market

BRIGHT #MDMC756732

05/29/2022

Price Change

BRIGHT #MDMC756732

$11,500,000
06/07/2021

Price Change

BRIGHT #MDMC756732

$12,750,000
05/24/2021

Listed (Active)

BRIGHT #MDMC756732

$12,700,000
11/17/2018

Withdrawn

BRIGHT #MDMC100134

$16,000,000
11/14/2018

Listed (Active)

BRIGHT #MDMC100134

$16,000,000
01/31/2002

Closed (Public Record)

Public Record #85657122

$975,000
01/15/2002

Closed

BRIGHT #MDMC369146

$975,000
12/19/2001

Withdrawn

BRIGHT #MDMC568612

$3,000,000
11/01/2001

Pending

BRIGHT #MDMC369146

07/17/2001

Listed (Active)

BRIGHT #MDMC369146

$3,000,000
07/17/2001

Listed (Active)

BRIGHT #MDMC568612

$3,000,000
12/12/2000

Closed

BRIGHT #MDMC386994

$575,000
11/16/2000

Pending

BRIGHT #MDMC386994

09/20/2000

Listed (Active)

BRIGHT #MDMC386994

$595,000
08/29/2000

Withdrawn

BRIGHT #MDMC581706

$579,000
03/02/2000

Withdrawn

BRIGHT #MDMC581736

$475,000
03/02/2000

Listed (Active)

BRIGHT #MDMC581706

$579,000
03/31/1999

Listed (Active)

BRIGHT #MDMC581736

$475,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 13320 Signal Tree Lane

Taxable ValueLand$377,200Additions$9,448,700Total$9,825,900
Tax Record2025$113,252 ($9,438 / month)
Home Facts
Beds0Baths11Total Finished SqFt26,716 SqFtAbove Grade Finished SqFt19,823 SqFtFinished Basement SqFt6,893 SqFtStories2Lot Size432,986 SqFtStyleSingle Family ResidenceYear Built2007ZoningRCCountyMONTGOMERYAPN06-03278022Fireplace TypeHas Fireplace

Schools near 13320 Signal Tree Lane

This home is within Montgomery County Public Schools.
Rating
School
Type
Grades
Distance
Public - K to 5
Public - 6 to 8
Public - 9 to 12
Public - PK to 12
Rating
School
Distance
Darnestown Elementary School
PublicK to 5

Lakelands Park Middle School
Public6 to 8

Northwest High School
Public9 to 12

Stephen Knolls School
PublicPK to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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13320 Signal Tree Lane is a single family home for sale in Potomac, MD 20854. This property was listed for sale on January 7, 2026 by O'Conor, Mooney & Fitzgerald, it's currently listed at $9,950,000. It has been on the market for a total of 2 days and was last sold on January 31, 2002. This listing's school district is Montgomery County Public Schools. Nearby schools include Darnestown Elementary School, Lakelands Park Middle School and Northwest High School. 13320 Signal Tree Lane is a 8-bed, 15-bath, 26,716 sqft single family home built in 2007.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of O'Conor, Mooney & Fitzgerald

© 2026 Bright MLS. All rights reserved. All information is deemed reliable, but accuracy is not guaranteed. Listing information is from various brokers who participate in IDX and not all listings may be visible on the site. The property information being provided is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated on 01/07/2026 02:52 PM