Union Bank Bldg.

3900 5th Ave., San Diego, CA 92103

Property Information

  • For Lease Contact for pricing
  • Property Type Office
  • Property Size 41,646 SF
  • # of Floors 3
  • Parking Ratio 4.00 / 1,000 SF
  • Building Class B
  • Year Built 1989
  • Date Updated Jul 6, 2026

Description

The Union Bank Building totals 41,646 square feet across three floors. Built in 1989, this Class B office property features a parking ratio of 4 spaces per 1,000 square feet. The property sits in the Hillcrest neighborhood of San Diego, positioned north of downtown and accessible via Interstate 5 to the west. The location places the building within the central San Diego market, served by regional transit corridors and close proximity to major north-south thoroughfares.

1 Space Available

Suite 100

Space Type

General Office

Lease Rate

Negotiable

Total Space

4,111 SF

Floor

1

Divisible Space

4,111 - 4,111 SF

Available Date

TBD

Lease Type

Modified Gross

Sublease

Yes

Sublease Expiry

Feb 29, 2028

Build Type

Full build out

Space Number

100

Contacts

Location

Located at 3900 5th Ave., San Diego, CA 92103, this property is part of the Hillcrest neighborhood and San Diego market.

  • 97/100 Walker's Paradise
  • 53/100 Good Transit
  • 76/100 Very Bikeable
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Contact Union Bank Bldg.
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