Diamond Terrace Condo Building - San Diego, CA

Diamond Terrace Condos | Downtown San Diego Real Estate

Diamond Terrace condos are located at 427 9th Ave in San Diego.  If you are looking for a condo in the downtown East Village District of San Diego then Diamond Terrace may be the place for you.  Enjoy ballpark & city views with low homeowners association dues of $368/month for a prime location well situated building in the heart of Gaslamp/East Village.   Diamond Terrace also has great views of Petco Park from the roof common area.  

Below are the current Diamond Terrace 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 Diamond Terrace condo sales at our San Diego Sold Search.  All Diamond Terrace 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.

Diamond Terrace San Diego Condos For Sale

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San Diego 427 9th Ave 403

Terrific 2 Bedroom 2 Bathroom Corner Unit in the Highly Coveted Diamond Terrace Complex. Located in the Heart of East Village. Spectacular View of Petco Park. Enjoy ballgames, concerts, etc. from your own balcony! Rarely Available! Open Floorplan with lots of Natural Light. Granite Countertops! Stainless Steel Appliances! Laundry In Unit. TWO (tandem) Parking Spots. Close to Restaurants, Parks, and Neighborhood Stores. Excellent Opportunity for a First-Time Buyer or Investor.$659,950

$659,950
2 Beds
2 Baths
1,018 SqFt
226 Days On Market

San Diego 427 9th Ave. 806

Rarely available 2 bedroom, 2 bath northwest corner unit at Diamond Terrace in a prime downtown location! Fresh, clean, and bright, Unit 806 is move-in ready with brand-new luxury vinyl plank flooring, fresh paint, and large windows showcasing downtown San Diego skyline views from every room. Enjoy East Village living just steps from Petco Park and the Gaslamp Quarter. This condo also offers a private corner balcony, storage unit, two secure subterranean parking spaces, a fitness center, and access to the 14th-floor rooftop deck with barbecue space and direct views into Petco Park.$599,900

$599,900
2 Beds
2 Baths
963 SqFt

San Diego 427 9th Ave 504

"Take me out to the ballgame" has a whole new meaning when you can watch it from your balcony! Located across the street from Petco, this large 1 bedroom, 1 bath condo is located directly in the heart of arguably one of the best neighborhoods in Downtown, East Village. Step into the bright and inviting kitchen, newer stainless steel appliances, clean granite counters and real wood cabinets with ample storage. There is an oversized pantry to store your food and other household items. Large windows are positioned to have you seeing all that downtown has to offer! Step out to your oversized balcony to enjoy the energy of Petco and surrounding, award winning restaurants and trendy bars. The large bedroom has enough room to add an 'at home office space' for the days you skip out going into the office. The washer/dryer closet is large enough for full-size units, which are new! Diamond Terrace offers a completely secure building, a second floor viewing deck to host guests or just to sit and read a book. The building HOA includes daily cleaning services for common areas and hallways, exterior cleaning, and building maintenance staff. Parking is secured and underground; this unit offers 1 parking space. Come home and enjoy your amazing condo.$583,000

$583,000
1 Beds
1 Baths
871 SqFt
42 Days On Market

San Diego 427 9th Ave 409

Seller open to entertain offers between $399,000 - $419,000. Welcome to Diamond Terrace, where the best of Downtown San Diego is right outside your door. This move-in ready residence puts you just steps from Petco Park, the Gaslamp Quarter, restaurants, coffee shops, nightlife, the Convention Center, the Marina District, and more. Inside, you’ll find a bright, open layout with a spacious living area and oversized bedroom. The upgraded kitchen features custom cabinetry, stainless steel appliances, and a walk-in pantry, while luxury vinyl flooring, fresh paint, and an in-unit washer and dryer add everyday convenience. Diamond Terrace offers secure access, gated parking, a fitness center, and a rooftop deck with BBQs and panoramic views of Petco Park and the Downtown skyline. With one of the lowest price points in Downtown San Diego, this is an opportunity to own in the heart of the city without compromising on location or lifestyle. Come see why this one stands out.$419,000

$419,000
1 Beds
1 Baths
826 SqFt

San Diego 427 9th Ave 809

Prime downtown living at Diamond Terrace, located directly across the street from Petco Park. This well-appointed 1-bedroom condo offers an open, light-filled layout ideal for both comfortable living and entertaining. The kitchen flows seamlessly into the living area, while the spacious bedroom provides a relaxing retreat from the city energy. Enjoy a secure, boutique-style community in one of San Diego’s most walkable locations—steps to the Gaslamp Quarter, Marina District, dining, nightlife, waterfront, and public transit. Perfect as a primary residence, second home, or investment opportunity, this condo places you at the center of downtown San Diego’s vibrant lifestyle.$400,000

$400,000
1 Beds
1 Baths
826 SqFt
226 Days On Market

San Diego 427 9th Avenue 501

Live Steps from Petco Park in the Heart of the Gaslamp. This bright, updated condo perfectly combines downtown energy with Cozy Comfort. Inside features refinished Cherry Cabinets, Granite Countertops, S/S Appliances, Crown Molding, New LVP flooring in Living Room, New Paint thru out, a full sized stacked washer/dryer, and renovated Tub/Shower with Subway Tile design. Step out on your 12 X 8 Patio and enjoy peek views of Petco's Park in the Park. This unit is ideal for city lovers, Padre fans, or anyone who seeks the excitement of downtown at their doorstep. Building has small workout room on 14th floor with universal and cardio equipment. Unit has one assigned underground parking spot on parking level #3. Very clean & current building with Secured Lobby, Amazon Delivery Ctr & Elevator with Key FOB access.$375,000

$375,000
1 Beds
1 Baths
843 SqFt
111 Days On Market

San Diego 427 9th Ave 1403

Unique 1BD/1BA 14th Floor Penthouse Condominium with 10' ceilings and unbelievably gorgeous views the the San Diego Bay, Petco Park and Downtown. Modern, turnkey, floor to ceiling glass windows, neutral LVP flooring, large premium entertaining deck with south & west facing views of the SD Bay & SPECTACULAR one of a kind view directly into Petco Park. Larger end parking space situated in a gated parking garage. Newer appliances, over-sized stainless sink, laundry room in unit with storage, decorative pocket door into bathroom, two separate spacious closets in bedroom: walk-in, wardrobe, energy efficient NEST thermostat. Unlike the other 13 floors, the 14th floor is unique in that it is only home to 5 other residential units along with the well equipped fitness center & recreation lounge with an amazing view deck.$3,950

$3,950
1 Beds
1 Baths
848 SqFt
504 Days On Market
 

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Based on information from California Regional Multiple Listing Service, Inc. as of October 17th, 2026 at 10:56am 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 October 17th, 2026 at 10:40am PDT.