3108 Key Boulevard Arlington, VA $ 3,825,000
3108 Key Boulevard
$ 3,825,000
Recently Listed New Construction
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3108 Key Boulevard

Arlington, VA, 22201
$ 3,825,000
Bedrooms7 Baths6.1 Sq 6,010

Monthly Estimate*

$ 23,551

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Single Family Home for sale in Arlington, VA

for $3,825,000 with 7 bedrooms and 6 full baths, 1 half bath. This 6,010 square foot home was built in 2025 on a lot size of 0.14.

Now repositioned for the spring market, this is a rare opportunity to secure the only new construction residence currently available in Lyon Village. Welcome home to 3108 Key Boulevard, a newly constructed residence ideally located in the heart of Lyon Village. Set on a picturesque, evenly proportioned lot, this thoughtfully designed home offers approximately 6,010 square feet of refined living space across four finished levels, combining privacy, scale, and exceptional walkability to parks, Metro, schools, trails, and neighborhood dining. The home features a well-conceived floor plan that balances openness with everyday livability. At its center is a gourmet chefs kitchen appointed with custom inset cabinetry, a 48 Wolf gas range, Sub-Zero refrigeration, Cove dishwasher, and an oversized island offering abundant storage and prep space. The adjacent family room opens seamlessly to a screened porch with gas fireplace, leading to a stone patio and private rear yard, well suited for entertaining and outdoor dining. The primary suite offers a private retreat with a sitting area, dual walk-in closets, and a spa-inspired bath. Secondary bedrooms are generously sized and include en suite baths. The third-level loft provides flexible living space with an additional bath and a covered porch showcasing skyline views. The light-filled lower level includes a spacious recreation room with wet bar, fitness room, and a guest or au pair suite with walk-up access to the rear yard. Additional highlights include Marvin windows throughout, spray-foam insulation with Rockwool sound separation, 10-foot ceilings on the main level, 9-foot ceilings on upper and lower levels, elevator-ready construction, an attached garage, and an oversized paver driveway providing ample off-street parking. Thoughtfully designed and meticulously crafted by Rock Spring Homes, a local boutique builder with decades of experience delivering high-quality new construction throughout Arlington, this residence offers a compelling combination of location, design, and build quality in one of the areas most sought-after neighborhoods.

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Single Family Active

Price

$ 3,825,000

Bedrooms

7

Full Bath

6

Half Bath

1

Property Type

Single Family

Taxes

$ 13,153

Style

Transitional

Lot Size

0.14

Year Built

2025

Town/City

Arlington

County/Region

Arlington

MLS | Web ID

VAAR2067586

Features
General
Living Area 6010
Sewer Public Sewer
Heating 90% Forced Air
Cooling Programmable Thermostat Zoned
Possession 0-30 Days CD
Zoning R-6
Garage Spaces 1.00
Architectural Style Transitional
Construction Materials Brick Cement Siding
School District ARLINGTON COUNTY PUBLIC SCHOOLS
Year Built 2025
Levels 4
Tax Year 2024
Ownership Fee Simple
Cool Fuel Electric
Section 1
Accessibility Other
County ARLINGTON
New Construction Y
Property Type Residential
HOA N
Subdivision Name LYON VILLAGE
Garage Y/N Y
Water Access Y/N N
Other Structures Above Grade Below Grade
Full Baths 6
Status ACTIVE
Directions USE MAPS
City ARLINGTON
Disclosures Agent has Financial Interest
Senior Community Y/N N
Lot Size Units Square Feet
Lot Size Square Feet 6255.00
Tax Annual Amount 13153.0
Home Warranty Y/N Y
Property Condition Excellent
Structure Type Detached
Condo/Coop Association fee Y/N N
Bathrooms Full Main Level 0
Bathrooms Count Main Level 1.00
Price Per Sq Ft Total AG 881.74
Acceptable Financing Cash Other Conventional
Construction Completed Y/N Y
Vacation Rental Y/N N
Standard Status Active
Year Built Source Estimated
Legal Subdivision LYON VILLAGE
Tax Lot 207
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Interior
Heating Fuel Natural Gas
Basement Fully Finished
Hot Water Natural Gas
Basement (Y/N) Y
Heating Y/N Y
Fireplace Y/N N
Above Grade Finished Area 4338
Half Baths 1
Central Air Y/N N
Total Bedrooms 7
Below Grade Finished Area 1672
Main Level Bedrooms 0
Below Grade Finished Area Unit Type Square Feet
Below Grade Finished Area Source Estimated
Above Grade Finished Area Source Estimated
Above Grade Finished Area Unit Type Square Feet
Total Baths 7
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Exterior
Pool No Pool
Water Source Public
Garage Features Garage Door Opener
Type of Parking Attached Garage Driveway Off Street
Foundation Details Concrete Perimeter
Water View Y/N N
Lot Size Acres 0.14
Lot Size Source Assessor
Waterfront Y/N N
Land Assessed Value 1155800.00
Navigable Water Y/N N
Water Oriented Y/N N
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Internal Only
Street Number 1 3108
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* Excluded Features
List By
I-Agent Realty Incorporated

Broker

kmcgovern11@gmail.com

Email

Affordability Calculator

$24,647
Per Month
96%
4%
0%
Monthly Principal & Interest
$23,551
Monthly Property Taxes
$1,096
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
3533181 Elementary School
3533454 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
1/9/2026$3,825,000 Listed Price

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3108 Key Boulevard, Arlington, VA, 22201 is a Single Family Home for sale at $3,825,000 with 6,010 sqft and a lot size of 0.14. 3108 Key Boulevard has 7 bedrooms, 6.1 baths, and was built in 2025. The property's zip code is 22201 which is in Arlington, VA