Groveton, VA Real Estate: The Definitive Guide to Spatial Morphology, Historic Huntley, Richmond Highway BRT Corridor & Residential Enclaves

Evergreen Research MonographFairfax County, VirginiaPostal ZIP Code 22306Mount Vernon Magisterial DistrictHistoric Huntley (Est. 1825)Embark Richmond Highway BRT CorridorVerified Public Records
Groveton, Virginia - Panoramic perspective of residential neighborhoods, tree-lined suburban parkways, and the Richmond Highway transit corridor
Architectural and transit perspective of Groveton, Fairfax County, Virginia, illustrating tree-lined residential neighborhoods on Beacon Hill, modern transit-oriented infill communities, and connectivity along the Richmond Highway revitalization corridor.

Executive Summary & Essential Community Takeaways

  • Strategic South County Transit Spine: Situated squarely along the revitalization corridor of U.S. Route 1 (Richmond Highway), Groveton is an unincorporated census-designated place in Fairfax County's Mount Vernon Magisterial District, positioned immediately south of Huntington and north of Hybla Valley.
  • Historic Huntley Landmark: Home to Historic Huntley, a celebrated Federal-style hillside villa constructed circa 1825 for Thomson Francis Mason (grandson of Founding Father George Mason IV and former Mayor of Alexandria), listed on the National Register of Historic Places and preserved by the Fairfax County Park Authority.
  • Beacon Hill Aviation Heritage: Occupies the high geographic ridge of Beacon Hill—the site of the historic 1920s to 1950s Beacon Field Airport—providing panoramic elevation over the lower Potomac River valley, now developed into established residential neighborhoods and modern retail centers.
  • Embark Richmond Highway BRT Transformation: Groveton is a primary beneficiary of the multi-million-dollar Embark Richmond Highway Bus Rapid Transit initiative, creating dedicated median transit lanes connecting the community directly to the Huntington Metrorail Station and Fort Belvoir.
  • Diverse Housing Continuum: Features a balanced inventory of mid-century single-family brick ramblers and split-levels in established neighborhoods like Memorial Heights and Beacon Hill, executive townhomes in Groveton Woods, and modern luxury transit-oriented infill residences.
  • Premier FCPS Academic Feeder Pyramids: Primary attendance zones feed into the West Potomac High School pyramid (offering the AP Capstone Diploma and West Potomac Academy) and the Thomas A. Edison High School International Baccalaureate (IB) pyramid, supported by Carl Sandburg Middle School (AAP Level IV Center) and Groveton Elementary.
Est. 1825
Historic Huntley
Federal-Era Villa on National Register
1,500+ Acres
Huntley Meadows Park
Adjacent Freshwater Wetlands & Boardwalk
Yellow Line
Metrorail Proximity
Minutes to Huntington Station & D.C.
AP Capstone
FCPS Secondary Alignment
West Potomac High School & Academy

1. Spatial Morphology, Boundaries & Regional Geography

Groveton represents one of the most transit-accessible and geographically prominent suburban submarkets in eastern Fairfax County. Designated as an unincorporated census-designated place (CDP) in the Mount Vernon Magisterial District (postal ZIP code 22306), the community spans approximately 2.5 square miles centered along the historic north-south spine of U.S. Route 1 (Richmond Highway).

The spatial perimeter of Groveton is defined by major highway corridors, historic property lines, and protected conservation easements:

  • North Boundary: Penn Daw and Beacon Hill, marking the transition northward toward the Huntington Metrorail Station, Eisenhower Avenue commercial corridor, and Old Town Alexandria.
  • South Boundary: Lockheed Boulevard and Popkins Lane, transitioning smoothly into the commercial core of Hybla Valley and the residential neighborhoods of Mount Vernon.
  • East Boundary: Fort Hunt Road (State Route 629) and the mature residential woodlands of Hollin Hall, connecting toward the George Washington Memorial Parkway corridor.
  • West Boundary: Telegraph Road (State Route 611) and the expansive 1,500-acre protected wetlands of Huntley Meadows Park, creating a permanent green buffer that shields Groveton from western industrial uses.
Fairfax County Jurisdictional Status: Although residential properties in Groveton carry an "Alexandria" mailing address assigned by the United States Postal Service, Groveton is an unincorporated community governed directly by the Fairfax County Board of Supervisors. Real estate taxes, land-use zoning, public safety (Fairfax County Police Mount Vernon District Station), and public education are administered exclusively by Fairfax County.

2. Historical Evolution: 19th-Century Crossroads, Historic Huntley & Beacon Field Aviation Heritage

Groveton's history encompasses early colonial transit, Federal-era plantation retreats, pioneering 20th-century aviation, and modern transit-oriented revitalization.

Historic Huntley & The Mason Legacy (1825)

The historical centerpiece of Groveton is Historic Huntley, perched majestically on a terraced hill overlooking the Hybla Valley. Built circa 1825, the Federal-style villa served as a summer retreat and agricultural lodge for Thomson Francis Mason, grandson of George Mason IV (author of the Virginia Declaration of Rights) and Mayor of Alexandria from 1827 to 1830.

The estate featured an innovative multi-tier terrace layout with a brick main house, flanking tenant pavilions, an icehouse, and panoramic vistas. Listed on the National Register of Historic Places and the Virginia Landmarks Register, Historic Huntley was acquired and painstakingly restored by the Fairfax County Park Authority, today operating as a historic house museum and cultural educational center.

Beacon Field Airport & Early Aviation (1920–1959)

In the 1920s, the high, flat ridge traversing northern Groveton was selected as the site for Beacon Field Airport, an active civil airfield that played a crucial role in early regional aviation. The airfield was equipped with a rotating high-intensity aeronautical searchlight beacon that guided airmail pilots flying the East Coast corridor between Richmond and Washington, D.C.

Throughout the 1930s and World War II, Beacon Field operated flight training schools and civilian aviation charters. Following the airfield's closure in the late 1950s, the ridge was platted for modern suburban neighborhoods and commercial development, retaining its historic identity through the naming of Beacon Hill and the Beacon Center shopping complex.

Post-WWII Suburban Transformation & Revitalization

During the 1950s and 1960s, Groveton expanded rapidly as dairy farms and woodlots were subdivided to accommodate military families from Fort Belvoir and expanding federal agencies. Neighborhoods like Memorial Heights and Beacon Hill delivered brick ramblers and split-levels, while modern master-planned townhome enclaves were constructed in subsequent decades.

3. Residential Enclaves, Neighborhood Typologies & Architectural Morphology

Groveton features an exceptionally diverse residential fabric, encompassing mid-century single-family homes, established executive townhome communities, modern infill developments, and garden-style condominiums.

Residential Subdivision / EnclavePrimary Architectural StyleConstruction EraTypical Lot Dimensions / DensityFairfax County Zoning
Memorial Heights & Popkins EnclavesBrick Ramblers, Split-Levels, Split-Foyers1952 – 19680.20 to 0.35 Acre ParcelsR-3 / R-4 (Single-Family Residential)
Beacon Hill & Groveton HeightsMid-Century Ranchers & Expanded Colonials1955 – 19750.22 to 0.38 Acre Elevated LotsR-3 / R-4 (Suburban Single-Family)
Groveton WoodsMulti-Level Brick Executive Townhomes1985 – 1995Platted Townhome ParcelsPDH-12 / R-12 (Planned Development)
Harrison Lane & Popkins InfillTransitional Craftsman & Modern Luxury Townhomes2010 – PresentHigh-Efficiency Infill ParcelsPDH-8 / R-8 (Cluster Infill)
Route 1 Commercial & Mixed-Use FringeModern Mixed-Use Multi-Family & Retail2018 – PresentTransit-Oriented CoreCRD / PRM (Commercial Revitalization)

Memorial Heights & Beacon Hill Single-Family Homes

Tucked away behind the commercial frontage of Route 1, neighborhoods like Memorial Heights and Beacon Hill offer quiet residential streets shaded by mature deciduous oak and maple canopies. Platted primarily during the 1950s and 1960s, these residences feature solid red-brick exteriors, daylight basements, concrete masonry unit foundations, private driveways, and generous rear yards suited for gardening and outdoor entertaining.

Groveton Woods & Planned Townhome Communities

Developed in the late 1980s and 1990s, communities like Groveton Woods provide traditional three-level brick townhome living. These residences showcase classic colonial symmetrical facades, formal entry foyers, finished lower-level recreation rooms with walk-outs to private fenced patios, and allocated off-street parking.

Modern Transit-Oriented Infill Construction

Spurred by Fairfax County's Richmond Highway Revitalization policies, custom and production builders have constructed upscale infill communities along Harrison Lane, Popkins Lane, and collateral streets. These homes feature 9-foot to 10-foot ceilings, open-concept main levels, wide-plank hardwood flooring, quartz-countertop kitchens with stainless-steel appliances, and attached two-car garages.

4. Structural Anatomy, Building Eras & Technical Due Diligence

Evaluating residential properties in Groveton demands rigorous technical understanding of both post-war masonry construction practices and modern energy-efficient building standards:

Mid-Century Masonry Single-Family Residences (1950–1975)

  • Foundations & Soil Mechanics: Homes typically feature poured concrete or concrete masonry unit (CMU) crawl spaces and basements. Located in the transition zone between marine clay layers and sandy gravels, properties require positive perimeter slope grading (a minimum 5 percent fall away from foundation walls for 10 feet) and functional gutter downspout extensions to mitigate hydrostatic pressure and basement dampness.
  • Plumbing Supply & Cast Iron DWV: Original branch supply lines were rigid copper (Type L). Original drain-waste-vent (DWV) piping utilized heavy-duty cast iron. Homebuyers should commission a fiber-optic video camera sewer scope inspection of the sewer lateral from the cleanout to the street main to check for internal scale buildup, root penetration, or pipe settlement.
  • Electrical Service Infrastructure: Original installations often featured 60-amp or 100-amp split-bus electrical panels. Modern lifestyles require upgrading to a 200-amp circuit breaker panel with arc-fault (AFCI) and ground-fault (GFCI) protection to safely support modern heat pump systems and level-2 electric vehicle charging stations.
  • Attic Ventilation & Roof Assemblies: Built with dimensional 2x6 rafters or early pre-engineered trusses sheathed in 1x6 tongue-and-groove boards or plywood. Ensuring balanced attic airflow through continuous soffit intake vents and ridge exhaust vents prevents winter ice damming and extends asphalt shingle lifespan.

Modern Infill & Townhome Construction (2000–Present)

  • Engineered Assemblies: Modern homes incorporate engineered wood I-joists, laminated veneer lumber (LVL) beams, advanced moisture-resistant housewrap barriers, and insulated double-pane Low-E argon-insulated windows.
  • HVAC Efficiency: Multi-zone high-efficiency heat pumps or multi-stage gas furnaces paired with programmable digital smart thermostats, sealed ductwork, and fresh-air energy recovery ventilators (ERVs).

5. Public Education Infrastructure: FCPS School Pyramids & Academic Profiles

Groveton is served exclusively by Fairfax County Public Schools (FCPS), recognized nationally for academic distinction, student achievement, and specialized career academies. The community is anchored primarily by the West Potomac High School Pyramid and the Thomas A. Edison High School Pyramid.

School FacilityGrade LevelsFeeder Pyramidal AlignmentCurriculum Programs & Academic Distinctions
West Potomac High SchoolGrades 9 – 12West Potomac PyramidAP Capstone Diploma, West Potomac Academy (Health Sciences, Biotech, TV Production), Performing Arts
Thomas A. Edison High SchoolGrades 9 – 12Edison Pyramid (Border)Authorized International Baccalaureate (IB) World School, Full IB Diploma, Edison Academy (Cyber & Trades)
Carl Sandburg Middle SchoolGrades 7 – 8West Potomac PyramidFull-Time Advanced Academic Programs (AAP Level IV Center), Accelerated Math & World Languages
Mark Twain Middle SchoolGrades 7 – 8Edison Pyramid (Border)Full-Time Advanced Academic Programs (AAP Level IV Center), Honors STEM Programs
Groveton Elementary SchoolPre-K – Grade 6West Potomac PyramidSTEAM Innovation Focus, Responsive Classroom Model, Family & Community Engagement Labs
Hybla Valley Elementary SchoolPre-K – Grade 6West Potomac PyramidAdvanced Academic Programs (AAP), Young Scholars Talent Development, Global Classroom

West Potomac High School & AP Capstone

West Potomac High School offers an advanced collegiate curriculum highlighted by the AP Capstone Diploma program. Students engage in intensive, research-driven seminars in AP Seminar and AP Research, authoring independent academic theses. Furthermore, the campus hosts the West Potomac Academy, providing specialized professional career coursework in biomedical sciences, physical therapy, media production, and cyber security.

Carl Sandburg Middle School AAP Level IV Center

Groveton middle school students zoned to West Potomac attend Carl Sandburg Middle School, an official Full-Time AAP Level IV Center. Sandburg delivers an accelerated, depth-and-complexity curriculum in English, science, social studies, and accelerated mathematics (Geometry Honors and Algebra I Honors). Additionally, rising eighth graders in Groveton are eligible to participate in the competitive regional admissions process for Thomas Jefferson High School for Science and Technology (TJHSST) in Lincolnia.

6. Transportation Logistics, Embark Richmond Highway BRT & Commuter Corridors

Groveton occupies a central position along Northern Virginia's primary eastern arterial corridor, offering multimodal highway, bus rapid transit, and rail connectivity.

The Embark Richmond Highway Bus Rapid Transit (BRT) System

The ongoing Embark Richmond Highway initiative represents the most consequential infrastructure investment in southern Fairfax County in decades. Designed by VDOT and Fairfax County, the project includes:

  • Dedicated, median-running bus rapid transit lanes running down the center of U.S. Route 1.
  • Modern, climate-sheltered transit stations equipped with level boarding, digital real-time scheduling, and off-board fare collection.
  • A planned station serving the Groveton / Beacon Hill commercial district, providing rapid, non-stop transit north to the Huntington Metrorail Station and south to Fort Belvoir.
  • Continuous, separated multi-use bicycle and pedestrian pathways constructed along both sides of Richmond Highway.

Metrorail Connectivity (Yellow Line)

The Huntington Metrorail Station (the southern terminus of the Yellow Line) is located approximately two miles north of Groveton. The station provides multi-level commuter parking, covered bike storage, and a direct one-seat heavy-rail transit ride to:

  • King Street-Old Town: 4 minutes.
  • Reagan National Airport (DCA): 9 minutes.
  • Pentagon & L'Enfant Plaza: 15 to 18 minutes.
  • Gallery Place-Chinatown & Downtown D.C.: 22 minutes.

Regional Highway Access

  • U.S. Route 1 (Richmond Highway): Primary north-south arterial connecting Groveton north into Alexandria and south to Fort Belvoir and Prince William County.
  • Interstate 495 (Capital Beltway) & Woodrow Wilson Bridge: Located three miles north, providing rapid access to Maryland, National Harbor, and the I-95/395 corridor.
  • Fort Hunt Road & Telegraph Road: Nearby parallel arterials providing alternative routes that bypass regional commercial traffic.

7. Environmental Topography, Stream Valleys & Protected Regional Parklands

Geologically situated on the coastal plain formation, Groveton features an intriguing topographic transition from the prominent elevation of Beacon Hill down to the protected wetland basins of Dogue Creek and Hunting Creek.

Huntley Meadows Park: 1,500+ Acres of Protected Nature

Bordering Groveton directly to the west, Huntley Meadows Park is the crown jewel of the Fairfax County Park Authority system. Encompassing over 1,500 acres of undisturbed freshwater wetlands, hardwood forests, and wildflower meadows, the park features:

  • A famous half-mile raised wooden wetland boardwalk traversing pristine marshlands.
  • A multi-level wildlife observation tower overlooking active beaver lodges, river otter habitats, and nesting zones for bald eagles, osprey, and green herons.
  • A modern, interactive nature visitor center offering wildlife research programs and educational lectures.
  • Miles of forested hiking and nature trails connecting into adjacent stream valleys.

Local Parks & Community Recreation

  • Historic Huntley Grounds: Terraced hilltop historic park offering scenic vistas, restored historic outbuildings, and interpretive historical trails.
  • Groveton Heights Park: A neighborhood green space offering basketball courts, children's playgrounds, and open athletic fields.
  • Mount Vernon RECenter: Located two miles south, featuring a 25-meter indoor competition pool, an indoor ice-skating arena, fitness center, and multi-purpose rooms.

8. Real Estate Assessment Cycles & Virginia Statutory Tax Framework

Real estate taxation in Groveton operates strictly under the statutory framework of the Commonwealth of Virginia and the administrative authority of Fairfax County. Because Groveton is an unincorporated census-designated place within Fairfax County, property owners pay real estate taxes solely to Fairfax County, with zero supplemental town or city tax millages.

Virginia Code Title 58.1-3201: The 100% Fair Market Value Mandate

Under Virginia Code § 58.1-3201, all real property in Virginia must be assessed for tax purposes at one hundred percent (100%) of its true fair market value. The Fairfax County Department of Tax Administration (DTA) conducts comprehensive annual reassessments of every taxable parcel in Groveton. Valuations are determined through annual mass appraisal market equalization based on verified arm's-length sales of comparable properties within identical neighborhood submarket codes, accounting for lot size, topography, structural improvements, and physical condition.

Annual Assessment Calendar & Payment Schedules

  • January 1 (Statutory Effective Date): Property assessments are legally established as of January 1 of each calendar year, reflecting real estate market transactions occurring during the preceding twelve months.
  • Late February (Assessment Notice Distribution): The DTA mails official Notice of Real Estate Assessment cards to all property owners, itemizing land value, structural improvement value, and total equalized taxable valuation.
  • Semi-Annual Payment Deadlines: Real estate tax payments in Fairfax County are billed in two equal installments:
    • First Installment: Statutorily due on or before July 28.
    • Second Installment: Statutorily due on or before December 5.
    If a statutory deadline falls on a weekend or county holiday, payment is due on the following business day.
  • Countywide Dedicated Levies: Properties in Groveton are subject to the Countywide Stormwater Management Service District Tax, dedicated to stream valley restoration, dam safety, and Chesapeake Bay runoff mitigation.

Statutory Assessment Appeals Mechanism

Property owners who believe their annual assessment exceeds fair market value, is non-uniform compared to contiguous properties, or contains clerical errors have the legal right to challenge the valuation through a formal two-tiered process:

  • Administrative Review: An informal appeal submitted directly to the Department of Tax Administration, typically required by early April. An assigned county residential appraiser reviews structural data, square footage calculations, physical property condition, and relevant sales comps.
  • Board of Equalization (BOE) Appeal: A formal evidentiary appeal submitted to the citizen-led Board of Equalization of Real Estate Assessments, typically requiring filing by June 1. If dissatisfied with the BOE ruling, property owners retain the statutory right to file a petition with the Circuit Court of Fairfax County under Virginia Code § 58.1-3984.

9. Frequently Asked Questions Regarding Groveton, VA Real Estate

Is Groveton an independent municipality or an unincorporated community in Fairfax County?

Groveton is an unincorporated census-designated place (CDP) governed directly by the Fairfax County Board of Supervisors within the Mount Vernon Magisterial District. It utilizes an Alexandria postal address (ZIP code 22306) for mailing delivery, but is entirely situated in Fairfax County. Public schooling, law enforcement (Fairfax County Police Mount Vernon District Station), fire rescue, and land-use zoning are administered by Fairfax County.

What was the historical origin of Groveton?

Groveton originated in the nineteenth century as an agricultural crossroad hamlet along the historic turnpike connecting Alexandria and Colchester (which evolved into U.S. Route 1 / Richmond Highway). Named for its prominent hardwood groves, the area's prominent historic landmark is Historic Huntley, a Federal-style villa constructed circa 1825 for Thomson Francis Mason, grandson of Founding Father George Mason IV.

What was Beacon Field Airport and how did it shape Groveton's topography?

From the 1920s through the late 1950s, the high geographic ridge in Groveton served as Beacon Field Airport, an active early civil aviation airfield equipped with a prominent illuminated airway navigation beacon. Today, the ridge is known as Beacon Hill, housing residential neighborhoods and the Beacon Center commercial retail complex, offering panoramic vistas across the lower Potomac River valley.

What is the Embark Richmond Highway Bus Rapid Transit (BRT) project?

Embark Richmond Highway is a transformative multi-million-dollar transportation and land-use initiative sponsored by Fairfax County and VDOT. It creates a dedicated median-running Bus Rapid Transit (BRT) system along Route 1 with modern stations, connecting Groveton directly north to the Huntington Metrorail Station (Yellow Line) and south to Fort Belvoir, spurring walkable, mixed-use town center redevelopment.

What residential architectural styles characterize Groveton neighborhoods?

Groveton features an attractive architectural continuum: post-war 1950s and 1960s brick ramblers and split-levels in enclaves like Memorial Heights and Beacon Hill; established multi-level brick executive townhomes in Groveton Woods; and modern luxury multi-story infill townhomes and custom residences with attached garages and high-efficiency building envelopes.

Which public schools serve the Groveton community?

Groveton is served by Fairfax County Public Schools (FCPS) primarily within the West Potomac High School pyramid. Students attend West Potomac High School (home to the AP Capstone Diploma and specialized West Potomac Academy), Carl Sandburg Middle School (a Full-Time AAP Level IV Center), and Groveton Elementary School (celebrated for STEAM labs and community focus). Select neighborhoods also align with the Edison High School IB pyramid.

What parklands and historic attractions are located in and around Groveton?

Recreational and cultural amenities include Historic Huntley (a restored 1825 Federal villa on the National Register of Historic Places), the adjacent 1,500-acre Huntley Meadows Park (featuring extensive wetland boardwalks and nature centers), Groveton Heights Park, and the nearby Mount Vernon RECenter with an indoor ice arena and Olympic swimming pool.

How is commuter transit structured from Groveton to employment centers?

Commuters benefit from immediate access to U.S. Route 1 (Richmond Highway), leading north to the Huntington Metrorail Station (Yellow Line terminus, located approximately 2 miles away) for a direct one-seat ride to Old Town Alexandria, Reagan National Airport, the Pentagon, and downtown Washington, D.C. Additionally, Fort Belvoir is situated less than 5 miles south.

What structural maintenance considerations are essential for mid-century homes in Groveton?

Buyers of mid-century single-family properties should conduct fiber-optic camera sewer scope inspections of underground cast iron lines to check for root penetration and interior scaling, upgrade original electrical panels to modern 200-amp service with AFCI/GFCI protection, and maintain proper perimeter foundation drainage slopes to manage coastal plain soil moisture.

How are real estate property assessments and taxes governed in Groveton?

Under Virginia Code § 58.1-3201, all real property in Groveton is assessed annually at 100 percent of fair market value by the Fairfax County Department of Tax Administration (DTA). Property owners receive annual assessment notices in February, pay county real estate taxes semi-annually on July 28 and December 5, and retain statutory rights to appeal valuations to the county Board of Equalization.

10. Academic References, Historic Archives & Statutory Legal Disclaimers

This architectural monograph, environmental assessment, and regional real estate reference treatise incorporates verified historical archives, public planning documents, and statutory legal frameworks:

  • Fairfax County Comprehensive Plan: Area IV, Mount Vernon Magisterial District Plan & Richmond Highway Corridor Revitalization Guidance, Fairfax County Department of Planning and Development, Fairfax, Virginia.
  • Fairfax County Park Authority (FCPA): Historic Huntley Cultural Landscape Report & Huntley Meadows Park Resource Management Plan, Herrity Building, Fairfax, Virginia.
  • Virginia Department of Transportation (VDOT): Embark Richmond Highway Bus Rapid Transit (BRT) Environmental Assessment and Engineering Studies, Richmond, Virginia.
  • Fairfax County Public Schools (FCPS): Office of Facilities Planning, West Potomac High School and Edison High School Feeder Boundary Alignment Directory, Gatehouse Administration Center, Falls Church, Virginia.
  • Code of Virginia (Statutory Authority): Title 58.1 (Taxation), § 58.1-3201 (Fair Market Value Mandates) and § 58.1-3370 (Board of Equalization Procedures), Commonwealth of Virginia, Richmond, Virginia.
  • United States Geological Survey (USGS): Alexandria and Mount Vernon 7.5-Minute Topographic Quadrangles, Dogue Creek and Cameron Run Hydrologic Basin Surveys, Reston, Virginia.

Statutory Research & Regulatory Notice: This architectural monograph, environmental review, and submarket treatise is published strictly for informational, educational, and spatial orientation purposes. Real estate boundaries, school attendance zones, Bus Rapid Transit construction phases, and tax assessment schedules are subject to ongoing administrative modifications by the Fairfax County Board of Supervisors, the Fairfax County School Board, and the Virginia Department of Transportation (VDOT). This publication does not constitute formal appraisal valuations, structural architectural inspections, or legal counsel. Prospective purchasers and property owners must verify official parcel-specific records directly with the Fairfax County Department of Tax Administration (DTA) and Land Development Services (LDS).