A funeral service was held in the Scottish Rite Cathedral, 929 South Hope Street, Los Angeles, followed by cremation.

[3] Haas was elected Los Angeles city attorney on the Republican ticket for a two-year term in December 1898.

[3] After his term as Los Angeles city attorney, Haas went into partnership with Frank Garrett and then Harry L. Dunnigan.

"[3] Haas was a member of a commission that proposed the idea of consolidating city and county governments into one jurisdiction.

[14] He represented Forest Lawn during a proposal by residents south of Glendale, California, to incorporate as a city named Tropico.