Description

Discover this remarkably maintained two-story duplex, originally built in 1933 and carefully preserved both inside and out. The updated units are currently occupied by excellent, long-term tenants, offering immediate rental income and a smooth transition for the next owner. The exterior is clean, well-kept, and presents beautifully, while the oversized lot provides ample space to garden, relax, or explore future possibilities—including the potential to add one or more ADUs in the rear. Whether you’re looking for a solid turnkey investment or a property with room to grow, this classic duplex delivers character, reliability, and opportunity. Don’t miss the chance to see everything it has to offer.

Property details

Year built

1933

Property type

Residential Income

Location

3319 21 Columbia St • San Diego, CA 92103

More homes for sale and rent in San Diego, CA →

Listing Agent

Craig Everett

DRE #: 01831810

Brokerage: Advent Real Estate

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CRMLS

MLS# 260025156SD

Listed: 10/17/2026 4:39 AM

Based on information from the California Regional Multiple Listing Service, Inc. as of 10/19/2026 12:50 PM. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is deemed reliable but is not guaranteed accurate by the MLS.

IDX information is provided exclusively for consumers' personal, non-commercial use. Information is deemed reliable but not guaranteed. Buyer should independently verify all information.

Listed by: Advent Real Estate

Equal Housing Opportunity

Advertising Broker: Nalren Corp (CA DRE #02423715)

Licensed in the state of California

Nalren Corp (CA DRE #02423715) is the Advertising Broker for this IDX display. We are not the listing broker for this property. The listing broker/agent information is shown above. Contact the listing agent for inquiries.

Residential Income - 3319 21 Columbia St, San Diego, CA