One Wilshire Building

624 South Grand Avenue

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One Wilshire is an iconic building in downtown Los Angeles. The 30 story building is easy to spot on the LA skyline with a giant "One Wilshire" sign at the top of the building.

LA's Network Interconnection Hub:

One Wilshire is the center of Telecom and Internet Interconnection in Los Angeles and the greater West Coast of the US. For the last 20 years, networks have congregated in the building to exchange traffic. CoreSite's Any2 IXP (Peering Exchange) is the largest public IXP in the Western United States.

The building is a network gateway to Asia with almost all major Asian carriers colocated in One Wilshire. In addition, several transpacific cables are extended to the building. Including the Unity Trans-Pacific submarine cable, which provides undersea connectivity to Asia.

In 2017 CoreSite announced that the SEA-US Transpacific Cable System will land in LA1. The cable stretches from Los Angeles to Indonesia, Philippines, Guam, and Honolulu.

Over the last 10 years Digital Realty Trust's 600 West 7th building has been gaining Interconnection marketshare in Los Angeles with the help of Equinix who is also colocated in 600 W 7th.


  • CoreSite LA1 is the largest tenant in the building.
  • GI Partners, the building's owner, states that the building can be expanded to a total of 49MWs.
  • Floor plates between 21,000 and 25,000 SqFt
  • 13' to 15' slab to slab heights
  • One Wilshire parking is in the basement of the building (access via S Grand street)

Tenants and Colocation Providers at One Wilshire

Floor / Suite Tenant Notes
1st CoreSite
3rd Cooling Units
302 US Colo (Acquired by CoreSite)
4th CoreSite Building Meet-Me Room (MMR)
8th CoreSite/Sirius Telecom
9th CoreSite
11th CoreSite
1810 US Colo (Acquired by CoreSite)
16th Wilcon
19th CoreSite
27th CoreSite
28th CoreSite

Wilcon operates in suites 305, 1202, 1600, 1611, 2805 and in a cage on the 4th floor MMR.

How Did OW Get Its Name?

Despite the 624 S Grand Ave address, the building took on the name of One Wilshire because the building is located at the eastern start of Wilshire Blvd. Note, the building's name is "One Wilshire", not "1 Wilshire Blvd".

Building History

It was built in 1966 as a standard office building. In 1990s the location became popular with competitive telecommunication companies who needed a location close to the PacBell/AT&T Switching Center at 420 S Grand.

In 2001 the Carlyle Group bought the building for $119 million. Carlyle operated the data center under the name CRG West until 2007 when it sold the building to Hines Real Estate Investment Trust for $287 million. Then in 2013 GI partners acquired the building for $437.65 million.

Map and Nearby Locations:

624 South Grand Avenue
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Sites within 15 miles of One Wilshire Building

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Distance Site About
0.00 miles Crown Castle LA
0.00 miles US Colo (One Wilshire)
0.00 miles CoreSite Los Angeles (LA1) One Wilshire
CoreSite's Any2 IXP (Peering Exchange) is the largest public IXP in the Western United States. The Unity Trans-Pacific submarine cable, also lands in the building, which provides undersea connectivity to Asia.
0.01 miles InfoRelay LAX1, LAX2, LAX3
0.02 miles DataBank LAX1
0.04 miles US Colo (Quinby)
0.05 miles Wilcon 530 West 6th
0.05 miles Colocation America (LA4)
0.05 miles Telecom Center LA Building (530 West 6th)
0.05 miles Sprocket Los Angeles
0.05 miles HostPapa LA1
0.05 miles Cogent: 530 West 6th
0.05 miles United Layer-LA4
0.07 miles QuadraNet Los Angeles 530
0.07 miles Wilcon 607 West 7th
0.07 miles Telehouse 626 Wilshire
0.09 miles Evocative: Los Angeles, LAX2
Evocative's LAX2 data center facility, located at 600 W 7th St, Los Angeles, was constructed in 1999. Spanning an impressive 30000
square feet building.
0.10 miles China Telecom Los Angeles
0.10 miles Aptum Los Angeles
0.10 miles Verizon: (600 West 7th)
0.10 miles AT&T Los Angeles 2
0.10 miles 600 W 7th St, Los Angeles - Digital Realty
The 7-story building at 600 West 7th is one of the best-connected buildings in Los Angeles (second to One Wilshire.) Digital Realty operates the building's Meet Me Room and offers connections into Equinix LA1 space.
0.11 miles Equinix Los Angeles LA1
0.12 miles VPLS LA2
0.12 miles Aon Center
Known as the Aon Center and owned by Shorenstein Properties, the 62-story office skyscraper hosts a number of colocation companies that offer raised floor in the building.
0.22 miles Lumen Los Angeles 1
0.22 miles Verizon: (818 West 7th)
0.22 miles Equinix Los Angeles LA2
0.22 miles 818 West 7th
0.23 miles AT&T Switching Center Los Angeles
0.23 miles NYI Los Angeles
0.23 miles US Colo (800 Hope)
0.23 miles 800 South Hope
0.64 miles VPLS LA1
0.64 miles Equinix Los Angeles LA5
0.64 miles Alchemy Downtown
0.64 miles West 7 Center (1200 West 7th)
1.36 miles Fiberhub LAX1
1.37 miles ARP Networks
1.37 miles Tata Los Angeles
1.37 miles CoreSite Los Angeles (LA2) 900 N Alameda
CoreSite's LA2 facility at 900 N Alameda is an elegant building that was built in 1940 as a Postal Annex. It was the central mail processing facility for Los Angeles until 1989. The site is now owned by CoreSite and is being incrementally converted to data center space.
1.40 miles CoreSite LA3
3.53 miles Prime Vernon
9.31 miles Centersquare: Hawthorne LAX1
Centersquare’s Hawthorne facility is a massive data center with more than 288,000 Total square feet, located less than 6 miles from Los Angeles International Airport (LAX), with easy access from downtown Los Angeles.
9.52 miles 2301 West 120th, Hawthorne
10.59 miles Alchemy LAX
10.59 miles QuadraNet LAX (Century)
11.42 miles Equinix El Segundo LA4
11.49 miles Serverfarm LAX1
The site is served by a 16.5 MW substation on-site.
11.56 miles Equinix El Segundo LA3
11.64 miles 3015 Winona - Digital Realty
11.64 miles Cyxtera Burbank BR1
2 Story Structure Utility: Burbank Water and Power
11.70 miles 200 North Nash - Digital Realty
200 Nash is fully leased to Cyxtera, a Triple Net tenant
11.70 miles Cyxtera El Segundo LA1
11.72 miles 2260 E El Segundo - Digital Realty
In 2010, DRT acquired this site from 365 Main. The transaction included 4 other data centers and was for a total of $725 Million
11.75 miles Evocative: Los Angeles, LAX10
Evocative's LAX10 data center facility is located at 2260 E El Segundo Blvd, El Segundo, CA. Spanning an impressive 1 square feet, this colocation site offers ample space to accommodate various data center operations and infrastructure requirements.
12.67 miles Cogent Pasadena
12.77 miles Evocative Redondo LAX14
INAP's flagship location in Los Angeles Datacenter was constructed in 2012 Electric Utility Provider: Southern California Edison
13.90 miles Equinix Los Angeles LA7
17.52 miles Cogent: 16680 Valley View

One Wilshire Building Data Center Photos

One Wilshire
Source: Hines

Doorway to Meet Me Room at One Wilshire
Source: Wired

Vacant and Undeveloped Floor at OW

Antenna Mast on the Roof of One Wilshire

Sunset at 624 S Grand Ave

Operating Company

GI Partners is a private investment firm that has raised over $17 billion in capital across private equity and real estate strategies.

4 Facilities Owned
4 Markets Served
47.0 Megawatts
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Read More News


Name Date Added Description
one-wilshire-infographic-hines November 2018

One Wilshire Infographic from Hines (Pre 2013)

ow-capacity-planning November 2018

GI Partners White Paper: Data Center Capacity Management Provides New Business Opportunities & Efficiency at State-of-the-Art One Wilshire