Gaslamp Citysquare Condo Building - San Diego, CA

Gaslamp City Square Condos | Downtown San Diego Real Estate

Gaslamp Citysquare condos are located at 450 J Street and 445 Island Ave in San Diego.  If you are looking for a condo in the downtown Gaslamp District of San Diego then Gaslamp Citysquare may be the place for you.  Homeowners association dues run $341/month for the following amenities:  central courtyard resort style pool & spa, fitness center and underground parking. 

Below are the current Gaslamp Citysquare downtown San Diego condos for sale.  If you are looking for a downtown San Diego condo for rent please visit our San Diego rentals page.  We also provide all sold Gaslamp Citysquare condo sales at our San Diego Sold Search.  All Gaslamp Citysquare condos for sale are also listed below.  Questions?  Let our team of San Diego Realtor Associates help you.  Please contact us at 1-888-990-7111 today!

Gaslamp Citysquare San Diego Condos For Sale

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San Diego 450 J Street 7071

Live effortlessly in Gaslamp City Square, where urban convenience meets style! Overlooking vibrant city streets, this east-facing exterior residence serves up energy and city views in equal measure. The living area boasts hard surface flooring, breezy indoor-outdoor flow from the Juliet balcony, and natural light galore. The open kitchen shines with stainless steel appliances, granite counters, recessed lighting, and an eat-at bar perfect for casual dining or entertaining. Retreat to a spacious primary bedroom with a large ensuite bath. Extras include in-unit stackable laundry and two tandem parking spaces. Located in the heart of the Gaslamp District, you’re just steps away from dining, nightlife, and culture, offering an unbeatable walkable lifestyle. Whether you're looking for a prime investment or a chic second home, this one checks all the boxes—with low HOA fees to boot!$599,900

$599,900
2 Beds
2 Baths
1,016 SqFt

San Diego 445 Island Avenue 309

Oversized 1-bedroom, 1-bath residence with 807 sq. ft. located on the 3rd floor, offering abundant natural light and an open, comfortable layout. The home features laminate wood flooring, an open kitchen and living area, and a spacious hallway with room for a desk or library. The generous primary bedroom includes a walk-in closet, and the unit is well maintained throughout. New washer and dryer included for added convenience. Enjoy reasonable HOA dues and resort-style community amenities including a pool, jacuzzi, fitness center, courtyard with BBQ areas, and secured underground parking with one reserved space. Ideally situated in the heart of the Gaslamp Quarter, just a short walk to Petco Park, Ralphs grocery store, restaurants, nightlife, and entertainment, making it the perfect opportunity to enjoy vibrant downtown San Diego living.$499,000

$499,000
1 Beds
1 Baths
807 SqFt
3 Days On Market

San Diego 450 J St. 6141

Filled with natural light, this ultimate quieter courtyard facing unit has brand new, gorgeous 8x48 LVP flooring throughout, including bathrooms and kitchen. Spacious & open floor plan with stainless steel appliances, a gas range, master walk-in closet and in-unit washer/dryer. Perfectly situated in the Gaslamp between the Marina District and East Village. Enjoy being steps away from excellent dining, shopping, the ballpark, entertainment & the bay! Gaslamp City Square amenities include a pool, spa, courtyard, bbq, community room, & fitness center.$3,100

$3,100
2 Beds
2 Baths
1,016 SqFt
1 Days On Market

San Diego 450 J St 7091

Experience the vibrant downtown lifestyle in the heart of the iconic Gaslamp Quarter! This stunning top-floor unit features elevated ceilings, expansive windows, and an abundance of natural light, all while offering captivating city views. Meticulously upgraded, the condo showcases rich wood floors, sleek stainless steel kitchen appliances, a convenient breakfast bar, and elegant granite countertops. The spacious master suite includes a large walk-in closet, in-unit laundry, and plenty of storage. Plus, enjoy the convenience of assigned underground parking, just steps from the elevator. Live moments away from the finest Gaslamp dining, shopping, and only three blocks from Petco Park!$2,450

$2,450
1 Beds
1 Baths
777 SqFt
8 Days On Market
 

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Based on information from California Regional Multiple Listing Service, Inc. as of March 13th, 2026 at 8:11pm PDT. 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 usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

This information is deemed reliable but not guaranteed. You should rely on this information only to decide whether or not to further investigate a particular property. BEFORE MAKING ANY OTHER DECISION, YOU SHOULD PERSONALLY INVESTIGATE THE FACTS (e.g. square footage and lot size) with the assistance of an appropriate professional. You may use this information only to identify properties you may be interested in investigating further. All uses except for personal, non-commercial use in accordance with the foregoing purpose are prohibited. Redistribution or copying of this information, any photographs or video tours is strictly prohibited. This information is derived from the Internet Data Exchange (IDX) service provided by San Diego MLS®. Displayed property listings may be held by a brokerage firm other than the broker and/or agent responsible for this display. The information and any photographs and video tours and the compilation from which they are derived is protected by copyright. Compilation © 2026 San Diego MLS®, Inc.

Listing information last updated on March 13th, 2026 at 7:58pm PDT.