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Conoco-Phillips Building

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The Conoco-Phillips Building is a 296-foot (90 m), 22-story office building in downtown Anchorage, Alaska, and is the tallest building in both Anchorage and the state of Alaska.

Key Information

The Luckman Partnership of Los Angeles, in collaboration with local architects Harold Wirum & Associates,[5] designed the Conoco-Phillips Building, originally named the ARCO Tower. Constructed between 1981 and 1983, it stands as a prominent landmark in Anchorage’s skyline, alongside the Robert B. Atwood Building.

The actual building is more of a complex, composed of the atrium, connecting with a smaller office tower. The main tower houses the Alaska regional corporate headquarters of ConocoPhillips, while the smaller tower consists of local branches of major companies, including the New York Life Insurance Company and KPMG. There is also a branch of the Alaska Club gym in the building.

The sky-lit atrium is open to the public, and has a small food court, as well as a water fountain. Sometimes public events are held here, notably the annual summer Wild Salmon on Parade local art auction.

See also

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References

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Conoco-Phillips Building

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The ConocoPhillips Building is a 22-story skyscraper located at 700 G Street in downtown Anchorage, Alaska, standing at 296 feet (90.2 meters) tall and serving as the state's tallest building.[1][2] Originally constructed as the ARCO Tower between 1981 and 1983 at a cost of $63 million, it was built to house the Alaska operations of the Atlantic Richfield Company (ARCO).[1] Designed by the Luckman Partnership of Los Angeles in collaboration with Harold Wirum & Associates of Anchorage, the building features an all-steel frame clad in tinted glass, creating a modern silhouette that dominates the Anchorage skyline alongside the nearby Robert B. Atwood Building.[1][2] Its interior includes a prominent two-story sky-lit atrium with a food court, information desk, and fountain, as well as amenities such as a full-service café, coffee shop, and on-site fitness center operated by the Alaska Club.[1][3] In 2000, Phillips Petroleum acquired ARCO's Alaska assets, including the tower, which was briefly rebranded under the Phillips 66 logo before the 2002 merger of Phillips and Conoco formed ConocoPhillips, leading to its current name and role as the company's Alaska headquarters.[1][4] The property was sold in 2013 for $104 million to Cook Inlet Region, Inc., and JL Properties, Inc., though ConocoPhillips remains the primary tenant.[1] As a symbol of Alaska's oil industry boom in the early 1980s, the building reflects the economic influence of energy companies in shaping Anchorage's urban landscape.[1][5]

History

Planning and Construction

The ConocoPhillips Building, originally known as the ARCO Tower, was developed as the Alaska headquarters for the Atlantic Richfield Company (ARCO) to centralize management operations amid the state's 1980s oil boom, which was fueled by production from the North Slope's Prudhoe Bay field and related economic expansion.[1][6] This project was built during the era of Anchorage's broader "Project 80s" initiative, a series of civic constructions supported by oil revenues that transformed the city's skyline during a period of rapid growth in the petroleum industry.[6] The architectural team was led by the Luckman Partnership from Los Angeles, working in collaboration with the local firm Harold Wirum & Associates to ensure adaptation to regional conditions.[1] Construction commenced in 1981 and reached completion in 1983, with a total cost of $63 million (equivalent to approximately $205 million in 2025 dollars, adjusted for inflation).[1][7] The build leveraged Anchorage's construction workforce, which had expanded significantly during the oil era, incorporating local labor alongside steel framing and tinted glass elements to meet the demands of a high-rise office structure.[6] Engineering efforts addressed Anchorage's location in a high-seismic zone, influenced by the lessons from the 1964 Great Alaska Earthquake, which prompted stricter building codes emphasizing earthquake resistance.[8] These measures reflected post-1964 advancements in Alaskan construction practices.[8] The facility later transitioned to ConocoPhillips following corporate mergers, but its initial development marked a key milestone in accommodating the oil sector's growth in Alaska.[1]

Ownership and Name Changes

The ConocoPhillips Building, originally constructed as the ARCO Tower by Atlantic Richfield Company (ARCO) in 1983, served as ARCO's Alaska headquarters until the company divested its Alaskan assets amid industry consolidation.[1] In April 2000, Phillips Petroleum Company acquired ARCO's Alaska operations, including the Anchorage headquarters building, as part of regulatory approval for BP's acquisition of ARCO; this shift transferred ownership and operational control to Phillips, with the structure temporarily featuring the Phillips 66 logo while retaining its ARCO Tower designation.[9][4] On August 30, 2002, Conoco Inc. merged with Phillips Petroleum to form ConocoPhillips, establishing the combined entity as a major integrated energy company and renaming the building the ConocoPhillips Building to reflect its role as the new corporation's Alaska headquarters.[10] This merger centralized Phillips' and Conoco's Alaskan operations in the facility, supporting expanded exploration and production activities on the North Slope without immediate staff relocations, though it facilitated subsequent workforce integrations tied to broader oil industry consolidations.[11] In December 2013, the building was sold for $104 million to a private partnership comprising Anchorage-based JL Properties Inc., Cook Inlet Region Inc. (CIRI), and Washington Capital Management.[12] ConocoPhillips continues to lease the entire 677,000 square feet of office space under a long-term agreement, with no reported changes in ownership or leasing arrangements as of 2024; the arrangement has supported stable operations amid fluctuating oil markets.[12][13]

Architecture and Design

Exterior Features

The ConocoPhillips Building presents a modern high-rise silhouette defined by its steel-framed structure and extensive use of tinted glass on the exterior, creating a sleek, vertical form that dominates the Anchorage skyline. This design, executed by the Luckman Partnership of Los Angeles in collaboration with Harold Wirum & Associates of Anchorage, emphasizes a clean, contemporary aesthetic through the integration of reflective glass panels that mitigate solar gain in Alaska's variable climate.[1] Rising to a height of 296 feet (90.2 meters) across 22 stories, the building employs an all-steel structural system for both vertical and lateral support, enabling its status as Alaska's tallest structure. The facade's tinted glass cladding contributes to a neutral color scheme dominated by cool, subdued tones that blend with the surrounding urban environment while enhancing energy efficiency through reduced heat transfer.[1][2] At the base, a prominent two-story public atrium forms the ground-level podium, featuring the main entrance on the south-facing side along G Street and incorporating open, transparent elements that invite pedestrian engagement. The overall rectangular profile is capped by a flat roof housing a mechanical penthouse.[1]

Interior Layout and Amenities

The ConocoPhillips Building at 700 G Street in Anchorage features a distinctive internal configuration consisting of two towers connected by a sky-lit atrium that serves as the central lobby and entry point. The primary 22-story tower is dedicated primarily to office spaces for ConocoPhillips Alaska, with typical floors accommodating professional workspaces, while the smaller adjacent tower houses branches of other major companies. Upper levels include executive areas and conference facilities, with recent modernizations incorporating lounge spaces and updated office layouts to support collaborative work environments.[3][14] Amenities within the building emphasize employee convenience and wellness, including the on-site Alaska Club fitness center offering multi-level exercise facilities, the full-service Horizons Café for dining, and the Northern Cup coffee shop for casual refreshments. Additional shared spaces feature multiple conference and training rooms equipped for meetings, accessible via the atrium lobby. These facilities are integrated across the ground and lower levels to facilitate daily operations for occupants.[3][15] Accessibility is supported through a system of passenger and freight elevators serving both towers, with recent upgrades including the replacement of at least two elevator cabs in the main tower to enhance reliability and capacity. The building's design incorporates secure access controls on elevators after business hours, and nearby public parking options, such as the adjacent 6th Avenue and 7th Avenue garages, provide convenient integration for vehicle access, though no dedicated onsite garage is present. These elements align with standard commercial building requirements for mobility and entry.[16][17][18] Since its completion in 1983, the building has undergone phased tenant improvements, particularly in the main tower, to adapt to contemporary needs, including refreshed office interiors with ergonomic workstations, expanded lounge areas, and technology-ready conference rooms. These updates, managed by engineering firms like AMC Engineers in collaboration with architects such as SALT, have modernized spaces originally designed for corporate operations, though specific details on fiber optic cabling or remote work adaptations remain proprietary to tenants. No public records indicate LEED certification or dedicated sustainability retrofits like advanced HVAC systems or LED lighting upgrades as of 2025.[14]

Location and Significance

Site and Surroundings

The ConocoPhillips Building is located at 700 G Street in downtown Anchorage's central business district, positioned near 5th Avenue and within walking distance of historic sites such as the Old Federal Building and the 4th Avenue Theatre.[3][19][20] This placement integrates the structure into a vibrant urban core that includes government offices like the nearby Federal Building at 605 West 4th Avenue, as well as retail zones featuring shops, banks, and restaurants within several blocks.[19][3] The surrounding area also reflects the influence of the oil industry, with proximity to other corporate structures such as the adjacent Robert B. Atwood Building, originally developed by the oil-linked ARCO company.[1] The site occupies over 1.7 acres, featuring integrated parking options through nearby public facilities, including the 6th and H Street Garage with approximately 570 spaces and the 7th and G Street Garage, providing around 500 total spaces in close proximity for occupants and visitors.[3][18][21] Green space buffers enhance the lot, with the building situated just one block from Delaney Park Strip and minutes from coastal trails along Cook Inlet.[3] The site's selection emphasized visibility and accessibility in the heart of Anchorage, approximately 6 miles from Ted Stevens Anchorage International Airport, facilitating efficient connectivity for business operations.[22][1] From its position, the building offers prominent views of the Chugach Mountains to the east and Cook Inlet to the west, contributing to its environmental context in a seismically active and climatically challenging region.[3][1] Design considerations for the site account for Anchorage's high snow loads, with buildings required to support a minimum of 40 pounds per square foot on flat roofs, and prevailing wind patterns that influence structural stability in the coastal setting.[23]

Role in Anchorage Skyline

The ConocoPhillips Building, standing at 296 feet (90 meters) with 22 stories, has held the distinction of being Alaska's tallest building since its completion in 1983, surpassing the previous record set by the 265-foot Robert B. Atwood Building and maintaining that status as of 2025 despite previously announced plans for a taller air traffic control tower at Ted Stevens Anchorage International Airport, whose project was canceled in August 2025, with a new procurement process initiated thereafter.[24][25][26] This height achievement underscores its role as a defining element of Anchorage's skyline, often highlighted in cityscape views alongside other oil-era structures.[5] As the headquarters for ConocoPhillips Alaska, the building houses a significant portion of the company's approximately 1,000 employees statewide as of 2024, following which the company implemented workforce reductions in 2025 as part of global cost-cutting measures affecting 20-25% of its employees; these positions concentrate administrative and operational roles that bolster the region's oil and gas sector amid Alaska's resource-dependent economy.[4][27] These positions contribute to broader economic multipliers, with the oil and gas industry—led by ConocoPhillips as Alaska's largest producer—supporting over 69,000 direct and indirect jobs and generating $4.5 billion in state and local revenues in 2022.[28][4] The structure is primarily occupied by ConocoPhillips, with limited space leased to other firms, reflecting high utilization tied to the company's long-term lease commitments.[29] Culturally, the building symbolizes the 1980s oil prosperity fueled by North Slope discoveries, representing the industry's deep investment in Alaska's urban development and standing as an iconic landmark in tourism promotions and media depictions of Anchorage.[5] It features in local events, such as downtown holiday celebrations where its illuminated facade enhances the festive skyline, and exemplifies the petroleum sector's influence on the city's identity. Looking ahead, the building may undergo retrofits to align with ConocoPhillips' net-zero energy transition strategy by 2050, alongside seismic enhancements given Anchorage's earthquake vulnerability, though specific plans remain unannounced.[30]
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