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Oceanside Museum of Art reveals expansion plans

Set to open in spring 2028, the project is part of the museum's $10m Campaign for Expansion

Oceanside Museum of Art reveals expansion plans
Image courtesy of Safdie Rabines Architects

Oceanside Museum of Art (OMA) in Oceanside, California, has announced its plans for a significant campus expansion, designed by Safdie Rabines Architects from San Diego.

This marks a key milestone in the museum’s development and its $10 million Campaign for Expansion.


The expansion includes the historic Oceanside Fire Station No. 1 and will increase OMA’s campus size by 50%, covering a full city block. It also preserves two Irving J. Gill landmarks: the former 1934 City Hall and the 1929 Fire Station.

OMA’s size will grow from 20,000 to 30,000 square feet, increasing space for exhibitions, a dedicated education centre, and public programmes.

Outdoor areas will also be expanded to accommodate public art, an informal gathering terrace, and a café. The design improves flow between galleries, public zones, and outdoor plazas, integrating indoor and outdoor spaces to highlight Southern California artists in the Oceanside Cultural District.

“As Oceanside Museum of Art grows, our commitment to the community grows with it,” says Maria Mingalone, executive director of Oceanside Museum of Art.

“This expansion allows us to preserve an important historic landmark while boldly investing in the future of artists and our cultural community, creating new opportunities for arts education, and meaningful public gathering spaces.

"This ensures OMA remains a vibrant cultural hub for generations to come.”

Honouring iconic architecture

Safdie Rabines Architects is a local firm with a long-standing history of shaping the region’s architecture, including numerous civic structures and the campuses of UC San Diego and UCLA.

The design adopts a contemporary style that honours the historic architecture of Fire Station No. 1. Constructed in 1929 and designed by modernist pioneer Irving J. Gill, the station will be restored to preserve its original features, including the distinctive arches, windows, and the historic fire hose drying tower.

Gill’s iconic arcades will link OMA’s central pavilion and terrace to the surrounding outdoor areas, enhanced by sculptures, public art, gardens, gathering spaces, and landscape elements.

“This project is an opportunity to expand the museum as a vital community hub," say Taal Safdie and Ricardo Rabines, founding partners of Safdie Rabines Architects.

"We have designed new indoor-outdoor spaces that create fluid connections between all three buildings and activate this coastal area. Art al fresco, from Gill to Gill."

See also: The best new museums opening in 2026

Growing space for display, storage, and events

The expansion will grow the gallery space from 7,000 to 10,000 square feet. It will include two new galleries: a community space in the old fire station bay and a dedicated area for OMA’s expanding permanent collection, highlighting Southern California art.

Collection storage will also expand from 600 to 2,000 square feet, and a dedicated arts education centre will support the growth of OMA’s award-winning education programmes.

New multi-purpose spaces will host lectures, workshops, community gatherings, rentals, and informal social events.

In March 2024, OMA commenced the quiet phase of its $10 million Campaign for Expansion and surpassed 90% of its fundraising goal in just over 18 months.

Before officially launching the public phase in February 2026, the campaign raised over $9 million through major gifts from nearly 80 donors, including individuals, foundations, civic organisations, county funds, and public partners.

Construction is expected to start in early 2027, with a planned public opening in spring 2028.

Elsewhere, the New Museum in New York has announced that its 60,000-square-foot expansion, designed by the architecture firm OMA, will open on 21 March.