General City DIF - Regional Water

Levied by City of Ontario on new development in Ontario. Authorized under the Mitigation Fee Act - Gov. Code Sec. 66000 et seq. Collected at building permit.

What one house pays

$4,351

For a typical home: a 2,000 sq ft detached house on a 0.13 acre lot, on a new subdivision lot — this fee varies by the row that applies, so see the full schedule below.

Share of Ontario's total: 8%

Total one-time fees here: $56,975

Adjustment: Adjusts only when the board sets a new amount
what the document says
by resolution of the City Council; no interim escalator - Res. No. 2025-010 adopts two dated schedules and names no index

The record

Where it applies

“GENERAL CITY (GC) DEVELOPMENT IMPACT FEES EFFECTIVE 07/01/2026”

General City (GC) Development Impact Fees, effective 07/01/2026, sheet title · source document ↗

When it is paid

at building permit

“COLLECTED AT BUILDING PERMIT ($)”

General City (GC) Development Impact Fees, effective 07/01/2026, sub-heading under the sheet title · source document ↗

Who collects it

City of Ontario, the agency that levies it

“The DIF Deferral Program shall be limited to only City of Ontario DIF and any other fees assessed at building permit issuance (e.g. IEUA fees, school fees, etc.) shall remain in full force and effect and not subject to deferment.”

Development Impact Fee (DIF) Deferral Minimum Filing Requirements, page 1 of 4, "WHAT IS THE DEVELOPMENT IMPACT FEE (DIF) DEFERRAL PROGRAM?" · source document ↗

Every published rate

Land use	Applies to	Basis	Effective	Amount
General City
Single-family detached	detached dwellingthis home	per DU	1 Jul 2026	$4,351
“GENERAL CITY (GC) DEVELOPMENT IMPACT FEES EFFECTIVE 07/01/2026 / COLLECTED AT BUILDING PERMIT ($) ... 80% 20% ... Regional Water Local Water ... Per Unit: Detached Dwellings ... 4,351 1,088” General City (GC) Development Impact Fees, effective 07/01/2026, row "Detached Dwellings", column "Regional Water" · source document ↗
Single-family attached	Attached Dwellings	per unit	—	$2,978
the line this rate was read from “Per Unit: ... Attached Dwellings 738 749 880 720 113 - 1,016 - 2,978 744 60 544 657 116 1,285 1,837 108 17,129 $ 29,674” the levying document · source document ↗
Mobile home	Mobile Home Dwellings	per unit	—	$2,976
the line this rate was read from “Per Unit: ... Mobile Home Dwellings 686 883 688 563 204 - 1,836 - 2,976 744 60 543 657 369 1,210 1,730 102 16,123 $ 29,373” the levying document · source document ↗
Multi-family	High Density Dwellings	per unit	—	$2,009
the line this rate was read from “Per Unit: ... High Density Dwellings 738 749 545 446 95 - 851 - 2,009 502 52 465 329 74 1,017 1,454 86 13,554 $ 22,965” the levying document · source document ↗

The record

Every published rate

About these figures