Ofttimes considered to keep around produced San Diego's best architecture. Gill expert around California starting inside 1893, when working under Dankmar Adler & Louis Sullivan in Chicago. Gill (called Jack to his friends) was the pioneer around rational, early modernist design for residences and commercial buildings. This phase of his career began astir 1907, following the partnership with William S. Hebbard that produced good work, important to San Diego County history but rather unknown nationally. Irving Gill wwhen caring by having a social advantage of skillful architecture, & worked sustaining equal skill & interest in projects for the bankers & city manager as in projects for reservation Indians, an African American church, & projects for migratory Mexican workers.

Gill's matured cycle operate, described when "cubist" in his time, was an attempt to dislodge unneeded particularization, very much like a Arts & Crafts movement of the time was concerned with, but with a Zen-type spirituality and a few local Southwestern references. This designer's better operate of the 1910s is identified by: flat roofs by having there is no eaves, the unity of materials (mostly concrete), casement windows with transoms above, whiten or even even even touching-white bulwarks, cube or rectangular massing, frequent ground-level arches or series of arches creating transitional breezeways in the manner of certain Italian & Spanish Colonial buildings.

Gill's interiors come known for even even minimum or dislodge mouldings, elementary open fireplace mantles, enclosed bath, frequent fanlight, plastered bulwarks by owning single the occasional, however featured, wood elements, typically by using concrete or magnisite floors, & a general dodging of cracks, shelf, & unneeded lesson changes.

Irving J. Gill's most famous function includes: a George W. Marston Home (1904-, by having W.S. Hebbard), a Walter L. Dodge Home inside West Hollywood (1914-16, razed), a F.B. Lewis Courts inside Sierra Madre (1910), A Horatio West Court within Santa Monica (1919), A number 1 buildings at a Scripps Institution of Oceanography(1908-) and a La Jolla "Precinct" including A La Jolla Woman's Club (1912-), The Bishop's School (1910-), The La Jolla Recreation Center (1913-), and the residence for Ellen Browning Scripps (1915, now remodeled as the San Diego Museum of Contemporary Art).

Gill's function slowed substantially fallowing 1920 or so due to sickness, ever-changing public tastes, & the lessening want to compromise sustaining clients. When a late 1920s, his function added certain Art Deco or "Moderne" touches.