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!
New construction
$3,989,998
3708 Prosperity Ave, Fairfax, VA 22031
5beds
10,030sqft
Single Family Residence
Built in 2026
1.15 Acres Lot
$3,893,900 Zestimate®
$398/sqft
$-- HOA
What's special
State-of-the-art smart technologyPrivate backyard oasisIntegrated custom speakersCustom white oak cabinetryHydronic radiant-heated floors
- 9 days
- 1,895
- 126
Zillow last checked:
Listing updated:
Listed by:
Carmen Bere 703-508-1470,
Samson Properties 7033788810
Source: Bright MLS,MLS#: VAFX2340158
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 7
- Full bathrooms: 5
- 1/2 bathrooms: 2
- Main level bathrooms: 4
- Main level bedrooms: 4
Rooms
- Room types: Dining Room, Kitchen, Family Room, Exercise Room, Laundry, Office, Recreation Room, Media Room
Dining room
- Level: Main
Exercise room
- Level: Lower
Family room
- Level: Main
Kitchen
- Level: Main
Laundry
- Level: Main
Media room
- Level: Lower
Mud room
- Level: Main
Office
- Level: Main
Recreation room
- Level: Lower
Heating
- Forced Air, Other, Programmable Thermostat, Natural Gas
Cooling
- Programmable Thermostat, Zoned, Electric
Appliances
- Included: Microwave, Range, Dishwasher, Dual Flush Toilets, Gas Water Heater
- Laundry: Main Level, Laundry Room, Mud Room
Features
- 2nd Kitchen, Air Filter System, Bar, Soaking Tub, Bathroom - Tub Shower, Breakfast Area, Built-in Features, Butlers Pantry, Combination Kitchen/Dining, Combination Kitchen/Living, Dining Area, Efficiency, Entry Level Bedroom, Exposed Beams, Family Room Off Kitchen, Open Floorplan, Formal/Separate Dining Room, Eat-in Kitchen, Kitchen - Gourmet, Kitchen Island, Pantry, Recessed Lighting, Sauna, Walk-In Closet(s), Wine Storage, 2 Story Ceilings, Beamed Ceilings, 9'+ Ceilings, Cathedral Ceiling(s), Vaulted Ceiling(s)
- Flooring: Engineered Wood, Wood
- Doors: Atrium, Double Entry
- Basement: Connecting Stairway,Full,Finished,Heated,Improved,Interior Entry,Exterior Entry
- Number of fireplaces: 4
- Fireplace features: Electric, Glass Doors, Gas/Propane, Screen, Stone
Interior area
- Total structure area: 10,030
- Total interior livable area: 10,030 sqft
- Finished area above ground: 5,015
- Finished area below ground: 5,015
Property
Parking
- Total spaces: 15
- Parking features: Storage, Garage Faces Front, Garage Faces Side, Asphalt, Attached, Driveway
- Attached garage spaces: 3
- Uncovered spaces: 12
Accessibility
- Accessibility features: 2+ Access Exits, Accessible Doors, >84" Garage Door, Accessible Hallway(s)
Features
- Levels: Two
- Stories: 2
- Exterior features: Lighting, Extensive Hardscape, Flood Lights, Rain Gutters, Lawn Sprinkler
- Has private pool: Yes
- Pool features: Heated, In Ground, Lap, Salt Water, Private
- Has spa: Yes
- Spa features: Heated, Indoor, Private
- Has view: Yes
- View description: Trees/Woods, Other
- Frontage length: Road Frontage: 133
Lot
- Size: 1.15 Acres
Details
- Additional structures: Above Grade, Below Grade
- Parcel number: 0591 05 0011
- Zoning: 110
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary,Mid-Century Modern
- Property subtype: Single Family Residence
Materials
- Stone, Stucco
- Foundation: Slab, Concrete Perimeter
- Roof: Architectural Shingle
Condition
- Excellent
- New construction: Yes
- Year built: 2026
Details
- Builder model: Orion
- Builder name: ACG Custom Homes
Utilities & green energy
- Electric: 200+ Amp Service
- Sewer: Public Sewer
- Water: Well
Community & HOA
Community
- Security: Fire Escape
- Subdivision: Mantua
HOA
- Has HOA: No
Location
- Region: Fairfax
Financial & listing details
- Price per square foot: $398/sqft
- Tax assessed value: $885,870
- Annual tax amount: $16,398
- Date on market: 9/30/2026
- Listing agreement: Exclusive Right To Sell
- Ownership: Fee Simple
Estimated market value
$3,893,900
$3.70M - $4.09M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 9/30/2026 | Listed for sale | $3,989,998+484.7%$398/sqft |
Source: | ||
| 9/13/2024 | Sold | $682,360-9%$68/sqft |
Source: Public Record Report a problem | ||
| 7/15/2022 | Listing removed | $749,888$75/sqft |
Source: | ||
| 7/11/2022 | Price change | $749,888-4.3%$75/sqft |
Source: | ||
| 6/15/2022 | Price change | $783,888-5%$78/sqft |
Source: | ||
| 6/2/2022 | Listed for sale | $824,888$82/sqft |
Source: | ||
| 5/25/2022 | Listing removed | $824,888$82/sqft |
Source: | ||
| 5/19/2022 | Listed for sale | $824,888-37.9%$82/sqft |
Source: | ||
| 1/1/2015 | Sold | $1,329,250$133/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $10,241 +112.5% | $885,870 +6.5% |
| 2024 | $4,818 -47.6% | $831,840 +2.2% |
| 2023 | $9,187 +104.6% | $814,100 +4.1% |
| 2022 | $4,490 | $782,350 +14.5% |
| 2021 | -- | $683,290 +3.1% |
| 2020 | $7,841 +5.4% | $662,540 +5.4% |
| 2019 | $7,442 +3.4% | $628,850 +3.4% |
| 2018 | $7,199 +1.9% | $608,320 |
| 2017 | $7,063 +5.1% | $608,320 +4.8% |
| 2016 | $6,723 +3.8% | $580,320 |
| 2015 | $6,476 +8.9% | $580,320 +8.7% |
| 2014 | $5,946 | $533,970 +2.9% |
| 2013 | -- | $518,970 |
| 2012 | -- | $518,970 +4.6% |
| 2011 | -- | $496,200 |
| 2010 | -- | $496,200 -4.2% |
| 2009 | -- | $517,920 -9.2% |
| 2008 | -- | $570,390 -2.4% |
| 2007 | -- | $584,650 +48.2% |
| 2003 | -- | $394,475 +19.7% |
| 2002 | -- | $329,475 +18.5% |
| 2001 | -- | $278,155 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: Mantua
Nearby schools
Schools provided by the listing agent
- District: Fairfax County Public Schools
Source: Bright MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.





