3108 Key Blvd

Arlington, VA 22201

$3,975,000
Price
7
Beds
6,010 Sq. Ft.
$661 / Sq. Ft.
6,010
Sq. Ft.
$661
per Sq. Ft.
New Construction
New Construction
a front view of a house with a yard and garage
a view of a house with a yard and a garden
a front view of a house with a garden and yard
a front view of a house with yard and green space
a front view of a house with a yard and garage
a view of a white house with a big yard plants and large trees
a view of a white house with a small yard and plants
a view of a house with a yard
a view of a living room
a living room with furniture and a large window
a view of a hallway with wooden floor and entryway
a kitchen with a stove a sink a kitchen island with chairs and wooden floor
a large kitchen with kitchen island a stove a sink a dining table and chairs
a living room with fireplace furniture and a window
a kitchen with stainless steel appliances kitchen island granite countertop a refrigerator and a stove top oven
a view of an empty walk in closet
a dining room with furniture window wooden floor
a living room with furniture and a fireplace
a living room with furniture fireplace and window
a living room with furniture a flat screen tv and a fireplace
a spacious bedroom with a bed and a couch
a bedroom with a bed and window
a spacious bathroom with a double vanity sink a mirror and a bathtub
a bathroom with a shower
a white bath tub sitting next to a window
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a view of a walk in closet
an empty room with windows
a view of an empty room
a view of hallway with furniture and a large window
a bedroom with furniture and a large window
a living room with furniture and a flat screen tv
a living room with furniture and a flat screen tv
a view of a balcony
a balcony with wooden floor
a balcony view with a potted plant
a kitchen with stainless steel appliances kitchen island a table and chairs in it
a living room with furniture and a fireplace
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a view of an empty room
a view of an empty room
a bathroom with a sink toilet and shower
a balcony with view of outdoor space

Description

Welcome home to 3108 Key Boulevard. Ideally located in the heart of the highly coveted Lyon Village neighborhood, this rarely available new residence rests on a picturesque, evenly proportioned property and encompasses approximately 6,010 square feet of refined living space across four finely finished levels. With views of tree-lined streets and Arlington’s skyline, the home presents a private urban oasis while remaining within walking distance of neighborhood parks and playgrounds, gyms, trails,...Welcome home to 3108 Key Boulevard. Ideally located in the heart of the highly coveted Lyon Village neighborhood, this rarely available new residence rests on a picturesque, evenly proportioned property and encompasses approximately 6,010 square feet of refined living space across four finely finished levels. With views of tree-lined streets and Arlington’s skyline, the home presents a private urban oasis while remaining within walking distance of neighborhood parks and playgrounds, gyms, trails, schools, Metro, and the area’s finest dining and entertainment. With a Walk Score of 94/100, this location is a true Walker’s Paradise.

3108 Key Boulevard showcases a thoughtfully conceived floor plan—spacious yet intimate, and perfectly attuned to its setting. The home is adorned with custom, high-end finishes throughout, including a gourmet chef’s kitchen with furniture-grade cabinetry, a 48” Wolf gas range, Sub-Zero and Cove appliances, and an oversized island offering abundant storage and prep space. Seamless indoor-outdoor living is achieved with a screened porch and gas fireplace that flows to a stone patio and private rear yard—ideal for both entertaining and al fresco dining. The owner’s suite provides a serene retreat with dual walk-in closets, a sitting area, and a spa-inspired bath. Secondary bedrooms are generously proportioned and feature en suite baths. The third-level loft offers versatile living space, an additional bath, and a covered porch with panoramic views of Arlington’s skyline. The light-filled lower level includes a large recreation room, wet bar, fitness room, and guest or au pair suite with walk-up access to the rear yard. The residence is also elevator-ready, with a shaft in place for seamless future installation. Additional highlights include 10-foot ceilings on the main level, 9-foot ceilings on the upper and lower levels, and an oversized paver driveway providing ample off-street parking in addition to the attached garage. Thoughtfully designed and meticulously crafted by Rock Spring Homes, this new home embodies the rare combination of location, style, and quality in one of Arlington’s most desirable neighborhoods.

Property Details for 3108 Key Boulevard

Tax ID Number
15-068-007
Ownership
Fee Simple
Condo Coop Association
No
HOA
No
Structure Type
Detached
Style
Transitional
Levels/Stories
4
Waterfront
No
LISTING UPDATED: 12/09/2025 10:52 PM

Property Details for 3108 Key Boulevard

StatusActive
MLS #VAAR2060422
Days on Market109
Taxes$13,153 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Fee Simple
Year Built2025
Lot Size0.14 AC / 6,255 SF
CountyArlington County

Location

Listing Courtesy of I-Agent Realty Incorporated
Add your commute

Building Information for 3108 Key Boulevard

Stories4Year Built2025Building Size-Lot Size0.14 AC / 6,255 SF

Payment Calculator

$20,738 per month

30 year fixed, 6.28% Interest

Principal and Interest

$19,642

Property Taxes

$1,096

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 3108 Key Boulevard

Location
Location
  • In City Limits: No
  • School District Name: ARLINGTON COUNTY PUBLIC SCHOOLS
  • School District County ID: 121141631475
  • SchoolDistrictSource: Listing Agent
  • County: ARLINGTON
Waterfront / Water Access
Waterfront / Water Access
  • Water View: No
  • Water Access: No
  • Water Oriented: No
  • Navigable Water: No
  • Tidal Water: No
  • Riparian Rights Y/N: No
Association / Community Info
Association / Community Info
  • Senior Community: No
Taxes and Assessment
Taxes and Assessment
  • Tax Year: 2024
  • Tax Assessed Value: $1,302,800
  • City Town Tax: $0
  • Clean Green Assessed: No
  • Land Use Code: 026
  • Section: 1
  • Refuse Fee: $0
  • Zoning: R-6
  • Tax Lot: 207
  • School Tax: $0
  • Automatically Update Tax Values Y/N: Yes
Rooms
Main
  • # Bedrooms Count Main Level: 0
  • # Bathrooms Count Main Level: 1
  • # Bathrooms Full Main Level: 0
  • # Bathrooms Half Main Level: 1
All Upper Levels
  • # Bedrooms Count All Upper Levels: 5
  • # Bathrooms Count All Upper Levels: 5
  • # Bathrooms Full All Upper Levels: 5
Upper Level 1
  • # Bedrooms Count Upper Level: 4
  • # Bathrooms Count Upper Level: 4
  • # Bathrooms Full Upper Level: 4
Upper Level 2
  • # Bedrooms Count Upper Level: 1
  • # Bathrooms Count Upper Level: 1
  • # Bathrooms Full Upper Level: 1
All Lower Levels
  • # Bedrooms All Lower Levels: 2
  • # Bathrooms All Lower Levels: 1
  • # Bathrooms Full All Lower Levels: 1
Lower Level 1
  • # Bedrooms Lower Level: 2
  • # Bathrooms Lower Level: 1
  • # Bathrooms Full Lower Level: 1
Rooms
  • Stories: Lower 1, Main, Upper 1, Upper 2
Building Info
Building Info
  • Total Finished SQFT: 6,010.00
  • Total Finished SQFT Source: Estimated
  • Total SQFT: 6,010.00
  • Total SQFT Source: Estimated
  • Construction Materials: Brick, Cement Siding
  • Ext Main Mid-res: http://bright-media01.prd.brightmls.com/bright/images/0000/8041/2541/4968/804125414968_512_384_WM_tE64ziaPUNTyZ9ij.jpg
  • Basement Type: Fully Finished
  • Foundation Details: Concrete Perimeter
  • Room and Floor: Bathrooms Half-Main Level-1, Bedrooms-Upper Level 1-1, Bedrooms-Upper Level 1-2, Bedrooms-Upper Level 1-3, Bedrooms-Upper Level 1-4, 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, Bedrooms-Upper Level 2-1, Bathrooms Full-Upper Level 2-1
  • # Bathrooms Full: 6
  • # Bathrooms Half: 1
  • Other Structure: Above Grade, Below Grade
Lot / Land Information
Lot / Land Information
  • Lot Size Source: Assessor
  • Parcel ID: 10671589
Parking
Parking
  • Type Of Parking: Attached Garage, Driveway, Off Street
  • Num of Attached Garage Spaces: 1
  • Driveway - # of Spaces: 3
  • Total Garage Spaces: 1
  • Garage Features: Garage Door Opener
Interior Features
Interior Features
  • Accessibility Features: Other
Exterior Features
Exterior Features
  • Pool: No Pool
Utilities
Utilities
  • Heating: Yes
  • Cooling Type: Programmable Thermostat, Zoned
  • Cooling Fuel: Electric
  • Heating Type: 90% Forced Air
  • Heating Fuel: Natural Gas
  • Hot Water: Natural Gas
  • Water Source: Public
  • Sewer Septic: Public Sewer
Confidential Data
Listing Office
  • List Agent AOR: Northern Virginia Association of REALTORS

Property History for 3108 Key Boulevard

DateEvent & SourcePriceAppreciation
Oct 5, 2025

Price Change

BRIGHT #VAAR2060422

$3,975,000—
Sep 16, 2025

Price Change

BRIGHT #VAAR2060422

$4,145,000—
Aug 29, 2025

Listed (Active)

BRIGHT #VAAR2060422

$4,295,000—
Jul 24, 2024

Closed

BRIGHT #VAAR2045774

$1,550,000—
Jul 23, 2024

Closed (Public Record)

Public Record #1537761797

$1,550,000—
Jul 5, 2024

Active Under Contract

BRIGHT #VAAR2045774

—
Jul 5, 2024

Pending

BRIGHT #VAAR2045774

—
Jul 5, 2024

Active Under Contract

BRIGHT #VAAR2045774

—
Jul 2, 2024

Pending

BRIGHT #VAAR2045774

—
Jun 30, 2024

Listed (Active)

BRIGHT #VAAR2045774

$1,250,000—
DateEvent & SourcePrice
10/05/2025

Price Change

BRIGHT #VAAR2060422

$3,975,000
09/16/2025

Price Change

BRIGHT #VAAR2060422

$4,145,000
08/29/2025

Listed (Active)

BRIGHT #VAAR2060422

$4,295,000
07/24/2024

Closed

BRIGHT #VAAR2045774

$1,550,000
07/23/2024

Closed (Public Record)

Public Record #1537761797

$1,550,000
07/05/2024

Active Under Contract

BRIGHT #VAAR2045774

—
07/05/2024

Pending

BRIGHT #VAAR2045774

—
07/05/2024

Active Under Contract

BRIGHT #VAAR2045774

—
07/02/2024

Pending

BRIGHT #VAAR2045774

—
06/30/2024

Listed (Active)

BRIGHT #VAAR2045774

$1,250,000

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

Public Records for 3108 Key Boulevard

Taxable ValueLand$1,155,800Additions$147,000Total$1,302,800
Tax Record2025$13,458 ($1,121 / month)
Home Facts
Beds3Baths1.5Total Finished SqFt2,552 SqFtAbove Grade Finished SqFt2,552 SqFtStories1Lot Size6,255 SqFtStyleSingle Family ResidenceYear Built1980ZoningR-6CountyARLINGTONAPN15-068-007Fireplace TypeHas Fireplace

Schools near 3108 Key Boulevard

This home is within Arlington County Public Schools.
Rating
School
Type
Grades
Distance
Arlington Science Focus School
Public - PK to 5
Dorothy Hamm Middle
Public - 6 to 8
Washington Liberty High School
Public - 9 to 12
Montessori Public School of Arlington
Public - PK to 5
Rating
School
Distance
Arlington Science Focus School
PublicPK to 5

Dorothy Hamm Middle
Public6 to 8

Washington Liberty High School
Public9 to 12

Montessori Public School of Arlington
PublicPK to 5

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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More information about 3108 Key Boulevard, Arlington, VA 22201

3108 Key Boulevard is a single family home for sale in Arlington, VA 22201. This property was listed for sale on August 29, 2025 by I-Agent Realty Incorporated, it's currently listed at $3,975,000. It has been on the market for a total of 109 days and was last sold on July 24, 2024. This listing's school district is Arlington County Public Schools. Nearby schools include Arlington Science Focus School, Dorothy Hamm Middle and Washington Liberty High School. 3108 Key Boulevard is a 7-bed, 7-bath, 6,010 sqft single family home built in 2025.

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 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 I-Agent Realty Incorporated

© 2025 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 12/09/2025 10:52 PM