3108 Key Boulevard
Arlington, VA, 22201 $ 3,749,000
Bedrooms7 Baths6.1 Sq 6,010 Monthly Estimate*
$ 23,083
for $3,749,000 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.
A rare new construction offering in Lyon Village, 3108 Key Boulevard presents a well executed residence on one of the neighborhoods most desirable tree lined streets. Set on a level, evenly shaped lot in the heart of Lyon Village, the home offers approximately 6,010 square feet across four finished levels, combining scale, privacy, and exceptional walkability to parks, Metro, schools, trails, and neighborhood dining. The main level is centered around a well executed kitchen and living space designed for both everyday use and entertaining. The kitchen features custom inset cabinetry, a 48 Wolf range, Sub Zero refrigeration, Cove dishwasher, and an oversized island that serves as a natural gathering point. The adjacent family room opens to a screened porch with fireplace and connects seamlessly to the rear patio and yard. The primary suite includes a sitting area, dual walk in closets, and a marble bath with glass shower, along with private views that are uncommon within Lyon Village. Secondary bedrooms are all en suite. The third level loft offers flexible living space with an additional bath and covered porch. The lower level includes a recreation room with wet bar, fitness space, and a guest or au pair suite with walk up access. Additional features include Marvin windows, spray foam insulation with Rockwool sound separation, 10 foot ceilings on the main level, elevator ready construction for future flexibility, an attached garage, and an oversized paver driveway. Built by Rock Spring Homes, a local boutique builder whose principals have lived in Arlington for over 40 years and bring more than 30 years of building experience, with over 100 new homes completed, the residence reflects a consistent focus on quality, proportion, and long term livability.
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FeaturesGeneralLiving 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 864.22
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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InteriorHeating 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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ExteriorPool 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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* Excluded FeaturesList ByI-Agent Realty IncorporatedBroker
kmcgovern11@gmail.comEmail
Affordability Calculator
- Monthly Principal & Interest
- $23,083
- 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.
Learn more about how to save NearbySingle family listings in Arlington, VA
Average List Price $1,806,861
Percent of Sale Price 52%
About Arlington, VA 234,847 Population
24% Since 2002
$ 114,262 Median Income
37.62 Median Age
20% Households with Children
Trends Information provided by ATTOM Data Solutions.
3533181 Elementary School
3533454 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 3/29/2026 | $3,749,000 | -1.99% | Price Down |
| 1/9/2026 | $3,825,000 | | Listed Price |