Local Taxes & Fees in Ontario, CA (2026)
2 verified local taxes & fees rules for Ontario, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Business Tax Classification
Ontario Municipal Code § 3-1.201 taxes every profession operating in the city under Article 2's per-classification business license scheme: a $50 flat fee plus $0.55 per $1,000 of gross receipts, with separate flat and per-unit rates set for services, contractors, residential rental, transportation and warehousing businesses under the neighboring sections.
Ontario Business Tax by Classification
Some RestrictionsOntario Municipal Code § 3-1.201 (Professions: Business license tax)
Every person engaged in a professional business in the City shall pay an annual business license tax to the City consisting of a flat tax of Fifty Dollars ($50.00) plus an additional tax for each calendar year or part of a calendar year based upon the gross receipts within such year or part of year at the rate of Forty Cents ($.40) per One Thousand Dollars ($1,000.00) of gross receipts. Effecti...
Parking Tax
Ontario taxes every paid parking occupancy at 100% of the rent charged, but caps the tax an occupant actually owes at $1.75 per vehicle per day, or 12.5% of the monthly rate for monthly parking. Operators collect it and remit it to the Finance Director.
Ontario Parking Station Tax
Some RestrictionsOntario Municipal Code Sec. 3-8.01 (Imposition and rate of tax)
There is hereby imposed a tax of one hundred percent (100%) of the rent for every occupancy of parking space in a parking station in the City; provided, however, that no occupant shall pay tax exceeding the sum of one dollar and seventy five cents ($1.75) per vehicle per day, or twelve point five percent (12.5%) of the monthly charge where the charge is made on a monthly basis, for occupying an...
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County ordinances apply to unincorporated areas and may supplement Ontario city rules.
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