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  • 377 Old Winchester Rd. Boyce VA 22620

3708 Prosperity Avenue, FAIRFAX, VA 22031 (MLS # VAFX2340158)

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Realtor Matthew Wahlstrom
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PRICE $3,989,998 dsIDX morgage calculator
BEDS 5
BATHS 7
HOME SIZE 10,030 sqft
LOT SIZE 1.15 ac
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The wait is over for Orion"”an exquisite, one-of-a-kind modern masterpiece. Nestled on a private, beautifully landscaped acre lot with mature trees in the prestigious Mantua community, this exceptional estate offers a peaceful retreat just minutes from the Capital Beltway, I-66, Tyson Corner, the Mosaic District, and Washington, D.C. Designed by a renowned modern architect and crafted by award-winning ACG Custom Homes, Orion seamlessly blends refined, effortless living with modern sophistication. Guests are welcomed by a massive, 9-foot wood pivot door that opens into a dramatic foyer with soaring ceilings. Throughout the home, expansive Marvin windows and doors flood the spaces with natural light, blurring the line between the striking interior and the nature outside. The main level is thoughtfully engineered for both intimate daily living and grand-scale entertaining. The spectacular Great Room anchors the home, featuring 21-foot ceilings, custom white oak cabinetry, and a gas fireplace finished with hand-applied plaster and custom lighting accents. The culinary spaces are nothing short of breathtaking. The main kitchen boasts modern lines, custom two-tone white oak and painted cabinets, double islands, and premium Thermador appliances. Behind the scenes, a fully equipped spice kitchen features Bosch appliances, ample storage, and seamless functionality. Indoor-outdoor living is elevated by a heated loggia with its own fireplace, leading out to a private backyard oasis. Here, you will find a state-of-the-art heated saltwater swimming pool"”complete with a full depth swimming lane, sun shelf, natural stone decking, and an automated retractable cover"”with plenty of remaining space to add the sports court of your dreams. The primary suite serves as an opulent sanctuary, defined by towering, soaring ceilings, an elegant electric fireplace, a private coffee bar, and direct access to the loggia. Organization is effortless with two fully customized walk-in closets complete with a dedicated washer and dryer. The en-suite bath evokes a five-star spa experience, featuring striking Taj Mahal stone, Italian porcelain slabs, a curbless walk-in shower, gunmetal signature hardware, designer accent lighting, and abundant custom storage. The lower level elevates luxury living to new heights, presenting an unmatched retreat entirely dedicated to health, wellness, and grand-scale entertainment. Fitness enthusiasts will appreciate the high-end gym, enclosed by automated sliding switchable glass doors, complete with an integrated water filtration system and a dedicated spa bath featuring a state-of-the-art cold plunge and sauna. For recreation and leisure, the sprawling family room offers a central fireplace, built-in cabinetry, a cozy reading nook, and expansive space for a pool or ping-pong table. Movie nights and swing practice come alive in the theater and golf simulator room, outfitted with acoustic paneling, layered accent lighting, and a cutting-edge projector. To top it all off, an automated hidden entry reveals a magnificent entertainer's lounge. This ultimate private club boasts a massive wet bar with double seating, a wine room, and an 130" + media screen perfect for game day. From its hydronic radiant-heated floors, integrated custom speakers, and state-of-the-art smart technology to its sophisticated architectural design, and conditioned garage this estate delivers an unparalleled living experience. Melding effortless main-level luxury with a world-class lower-level wellness and entertainment retreat, this residence offers a rare combination of comfort, sophistication, and lifestyle amenities. Come and experience ORION!

DAYS ON MARKET 0 LAST UPDATED 9/18/2026
TRACT MANTUA YEAR BUILT 2026
GARAGE SPACES 3.0 COUNTY FAIRFAX
STATUS Active PROPERTY TYPE(S) Single Family

SCHOOLS
School District FAIRFAX COUNTY PUBLIC SCHOOLS


ADDITIONAL DETAILS
AIR Electric, Zoned
AIR CONDITIONING Yes
APPLIANCES Dishwasher, Gas Water Heater, Microwave, Range
BASEMENT Daylight, Exterior Entry, Finished, Full, Interior Entry, Yes
CONSTRUCTION Stone, Stucco
EXTERIOR Lighting, Rain Gutters
FIREPLACE Yes
GARAGE Yes
HEAT Forced Air, Natural Gas, Other
INTERIOR Bar, Beamed Ceilings, Built-in Features, Cathedral Ceiling(s), Eat-in Kitchen, High Ceilings, Kitchen Island, Open Floorplan, Pantry, Recessed Lighting, Sauna, Soaking Tub, Vaulted Ceiling(s), Walk-in Closet(s)
LOT 1.15 acre(s)
PARKING Asphalt, Garage, Driveway, Attached
POOL Yes
POOL DESCRIPTION Heated, In Ground, Salt Water, Private, Lap
SEWER Public Sewer
STORIES 2
STYLE Contemporary, Mid-Century Modern
SUBDIVISION MANTUA
TAXES 16398
VIEW Yes
VIEW DESCRIPTION Trees/Woods, Other
WATER Well
MORTGAGE CALCULATOR
   

TOTAL MONTHLY PAYMENT

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Listing provided by Samson Properties
The multiple listing data appearing on this website, or contained in reports produced therefrom, comes in part from Metropolitan Regional Information Systems ("MRIS"). The information provided is for the viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All real estate listings include detailed information about them that includes the name of the listing brokers and therefore may reference real estate listing(s) held by a brokerage other than the broker and/or agent who owns this web site.

All listing data, including, but not limited to, square footage and lot size is believed to be accurate, but the listing agent, listing broker and respective Multiple Listing Services and their affiliates do not warrant or guarantee such accuracy. Therefore, all data should be personally verified through personal inspection by and/or with the appropriate professionals. Listing data last updated 9/19/26 2:34 AM PDT.

The listing information on this web site is from various brokers who participate in IDX.

Copyright 2026 MRIS. All rights reserved.

This IDX solution is (c) Diverse Solutions 2026.

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MJ HOME SALES – Better Service. Better Real Estate

Pearson Smith Realty  |  43777 Central Station Drive, #Suite 390, Ashburn, VA 20147
Mobile: 703-863-7357   |   Office: 703-967-1096 |   Fax: 571-386-1081   |   www.mjhomesalesva.com

  • About Us
  • Selling
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  • Get Pre-Qualified
  • 377 Old Winchester Rd. Boyce VA 22620
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