The record
“The City of Ontario assesses certain Development Impact Fees (DIF) upon new development projects to recover the costs to the City for the future construction of public infrastructure, facilities, and improvements necessitated by increased development. DIF are collected at Building Permit issuance to ensure the City collects sufficient monies to construct the additional infrastructure needed to accommodate the growth of new residents and businesses.”
“2650 Park Impact/Quimby Accounts for revenues from developer-paid impact fees for the financial transactions associated with the acquisition and development of new parks, and the initial purchase and/or installation of equipment in new and existing parks.”
“GENERAL CITY (GC) DEVELOPMENT IMPACT FEES EFFECTIVE 07/01/2026”
2003-07-01 (collection began 2003-09-01)
“On July 1, 2003, the City Council adopted Ordinance Nos. 2779 and 2780 approving the collection of Development Impact Fees (DIF) in the City of Ontario to mitigate the impacts of future development. In accordance with the provisions of Ordinance Nos. 2779 and 2780, the City began collecting DIF on September 1, 2003.”
Ordinance Nos. 2779 and 2780
“On July 1, 2003, the City Council adopted Ordinance Nos. 2779 and 2780 approving the collection of Development Impact Fees (DIF) in the City of Ontario to mitigate the impacts of future development. In accordance with the provisions of Ordinance Nos. 2779 and 2780, the City began collecting DIF on September 1, 2003.”
at building permit
“COLLECTED AT BUILDING PERMIT ($)”
City of Ontario, the agency that levies it
“Legend DIF Collections: Development Impact Fee assessed at building permit issuance.”
“Developers shall submit a "DIF Credit Request" or "DIF Reimbursement Request" in order to receive DIF Credit or DIF Reimbursement, for the construction and completion of DIF Program infrastructure included in the City's DIF Nexus Report. When an improvement is complete, Developer shall submit a request to the City with all supporting documentation to DIF@ontarioca.gov .”
Every published rate
| Land use | Applies to | Basis | Effective | Amount |
|---|---|---|---|---|
| General City | ||||
| Single-family detached | detached dwellingthis home | per DU | 1 Jul 2026 | $19,328 |
General City (GC) Development Impact Fees Effective 07/01/2026, CC Resolution No. 2025-010; "Parks" column — the eighteenth and last figure in the row, 19,328, immediately before the TOTAL · source document ↗
| ||||
| Single-family attached | Attached Dwellings | per DU | 1 Jul 2026 | $17,129 |
the line this rate was read from
General City (GC) Development Impact Fees Effective 07/01/2026, CC Resolution No. 2025-010; "Parks" column, 17,129 · source document ↗
| ||||
| Mobile home | Mobile Home Dwellings | per DU | 1 Jul 2026 | $16,123 |
the line this rate was read from
General City (GC) Development Impact Fees Effective 07/01/2026, CC Resolution No. 2025-010; "Parks" column, 16,123 · source document ↗
| ||||
| Multi-family | High Density Dwellings | per DU | 1 Jul 2026 | $13,554 |
the line this rate was read from
General City (GC) Development Impact Fees Effective 07/01/2026, CC Resolution No. 2025-010; "Parks" column, 13,554 · source document ↗
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