20/6 - Twenty

451 A St., San Diego, CA 92101

  • For Lease Contact for pricing
  • Property Type Office
  • Property Size 283,786 SF
  • # of Floors 19
  • Parking Ratio 1.10 / 1,000 SF
  • Building Class B
  • Year Built 1982
  • Date Updated Apr 24, 2025

The 20/6 - Twenty office building is a 283,786-square-foot, 19-story property offering a professional environment with a parking ratio of 1.1. Built in 1982 and classified as a Class B building, it is well-suited for businesses seeking functionality and accessibility in a high-density urban setting. Its vertical design provides ample office space to accommodate a variety of tenant needs. The parking ratio offers convenience for tenants and visitors alike.

Situated in the Core-Columbia neighborhood of downtown San Diego, this property benefits from proximity to transportation hubs like the Civic Center, approximately 0.1 miles away, and Santa Fe Depot, just over half a mile away. Dining options such as Donut Bar and Med Cafe are within walking distance, along with a selection of nearby hotels including The US Grant and Courtyard San Diego Downtown. Civic Center Plaza Parking Garage, a convenient parking option, is located about 0.1 miles from the building. Nearby educational institutions like California Western School of Law and San Diego City College further enhance the area's vibrancy.

Want more info on this listing?

Reach out to the broker for more info on lease terms and amenities

Highlights

  • Banking
  • Conferencing Facility
  • Controlled Access
  • Property Manager on Site
  • Security System
  • Signage

Spaces Available

Contacts

broker
Derek Hulse

Cushman & Wakefield

broker
Morgan Reno

Cushman & Wakefield

Location

Getting Around

  • Walk Score ®

    100/100 Walker's Paradise

  • Transit Score ®

    81/100 Excellent Transit

  • Bike Score ®

    80/100 Very Bikeable
Powered by Walk Score ®
  • City San Diego, CA
  • Neighborhood Core - Columbia
  • Zip Code 92101
  • Market San Diego

Points of Interest

  • Civic Center

    0.14 miles

  • Courthouse

    0.32 miles

  • City College

    0.41 miles

  • Santa Fe Depot

    0.54 miles

  • County Center/Little Italy

    0.57 miles

  • Seaport Village

    0.64 miles

  • Park & Market

    0.65 miles

  • Gaslamp Quarter

    0.79 miles

  • 25th/Commercial

    1.50 miles

  • Barrio Logan

    1.62 miles

  • Blink

    0.03 miles

  • San Diego - A Street Supercharger

    0.09 miles

  • Shell

    0.33 miles

  • Chevron

    0.36 miles

  • ChargePoint Charging Station

    0.56 miles

  • Petromerica

    0.71 miles

  • Mobil

    0.78 miles

  • Arco

    0.79 miles

  • Top tier Gasoline

    0.82 miles

  • Valero

    1.06 miles

  • Civic Center Plaza Parking Garage

    0.11 miles

  • Ace Parking Lot

    0.12 miles

  • Toussaint Academy San Diego Parking Lot

    0.13 miles

  • U.S. Grant Hotel Parking

    0.14 miles

  • Stock Exchange Sq

    0.15 miles

  • Evan V. Jones Parkade

    0.15 miles

  • free public parking

    0.23 miles

  • Laz Parking Garage

    0.26 miles

  • Ace Parking

    0.34 miles

  • Best Western Plus Bayside Inn Parking

    0.43 miles

  • Alma San Diego, a Tribute Portfolio Hotel by Marriott

    0.15 miles

  • The US Grant, A Luxury Collection Hotel

    0.16 miles

  • Marriott Vacation Club Pulse, San Diego

    0.17 miles

  • Courtyard San Diego Downtown

    0.17 miles

  • Westgate Hotel

    0.18 miles

  • Townplace Suites

    0.18 miles

  • Baymont San Diego Downtown

    0.19 miles

  • Holiday Inn Express Downtown

    0.19 miles

  • Holiday Inn Express

    0.19 miles

  • The Bristol Hotel

    0.21 miles

  • BB's Deli

    0.08 miles

  • Al Teatro Panini Grill

    0.08 miles

  • Med Cafe

    0.09 miles

  • Cafe De L'Opera

    0.09 miles

  • McCozy

    0.10 miles

  • City Pizzeria

    0.11 miles

  • Valentine's

    0.11 miles

  • Thotsakan

    0.11 miles

  • Swami's Cafe

    0.12 miles

  • Pho Express

    0.12 miles

  • Associated Barber College

    0.08 miles

  • King Chavez High School

    0.11 miles

  • Toussaint Academy San Diego

    0.13 miles

  • Cortez Hill Academy

    0.15 miles

  • Associated Technical College

    0.19 miles

  • KIPP Adelante Preparatory Academy

    0.20 miles

  • Saint Joseph School

    0.27 miles

  • California Western School of Law

    0.27 miles

  • California Western University

    0.29 miles

  • San Diego City Free School

    0.38 miles

  • Coronado Baptist Day Care Center

    1.53 miles

  • Saint Judes Shrine Child Care and Development Center

    3.26 miles

  • Child Development Center NBSD

    3.37 miles

  • Our Lady of the Sacred Heart Catholic Church Day Care Center

    4.00 miles

  • The Vine

    4.01 miles

  • Lemon Grove Childcare Center

    7.17 miles

  • Chinese Bilingual Preschool

    7.87 miles

  • Murphy Canyon Preschool

    8.15 miles

  • Hunter's Nursery

    8.62 miles

  • Bright Horizons Preschool

    9.14 miles

Frequently Asked Questions

What type of office space is available to lease at 20/6 - Twenty?

The property includes 13 Office spaces located on 7 floors. Availabilities total 73,922 square feet of office space.

Is 20/6 - Twenty suitable for a small business?

Yes, availabilities here may be suitable for small businesses with 9 office spaces under 5,000 square feet available. Space sizes here start at 1,921 square feet.

Does 20/6 - Twenty have enough space for a large business?

Yes, availabilities here could accommodate larger businesses with 3 office spaces larger than 10,000 square feet available for lease. The largest office size is 15,315 SF, located on floor 20. For a better understanding of how this space could work for you, reach out to schedule a tour.

Does 20/6 - Twenty have parking?
Yes, the property offers 312 parking spaces with a parking ratio of 1.10 / 1,000 SF.
Looking for more in-depth information on this property?

Looking for more in-depth information on this property? Find property characteristics, ownership, tenant details, local market insights and more. Unlock data on CommercialEdge.

Contact 20/6 - Twenty
  1. 1Main information
  2. 2Extra information
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.