DevFeeFinder
Sewer - treatmentSet by city fee ordinance

General City DIF - Sewer

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

$69

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
0%
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

Why it exists

“Necessity for DIFs. DIFs are necessary and appropriate for the construction of the remainder of the sewer collection system for one significant reason. ... Clearly, the cost of adding to the system infrastructure to accommodate additional private development demands should be imposed upon that same private development.”

City of Ontario 21-22 Update Development Impact Fee Calculation and Nexus Report, adopted 2022-07-15, Chapter 8 Sewer Collection Facilities, "PROPORTIONATE SHARE ANALYSIS", printed p. 110 / PDF p. 115 · source document ↗
What it pays for

“4315 Old Model Colony - Regional Sewer Impact Accounts for revenues from developer-paid impact fees for the construction of sewer infrastructure projects that serve a larger, regional area in the Old Model Colony (OMC) or General City.”

AB 1600 Development Impact Fee Annual Report FY ended 2025-06-30, "Development Impact Fee (DIF) Fund Number, Description, and Schedule", printed p. 6 / PDF p. 8 · source document ↗
Where it applies

“Table 2-1, is the resulting inventory of all private land uses contained within the current City limits split by what are referred to as General City and Ontario Ranch (essentially the area of the City that is south of Riverside Drive) and are based on the General Plan's land use inventory, a staff analysis of privately held parcels in both of the General City area and the Ontario Ranch area.”

same report, 2022-07-15, Chapter 2 Demographics and Findings, printed p. 12 / PDF p. 17 · source document ↗
When it was adopted

2003-07-01

“WHEREAS, on July 1, 2003, the City Council of the City of Ontario (the "City Council") adopted Ordinance Nos. 2779 and 2780 to implement new and modified Development Impact Fees in recognition of the need to finance adequate infrastructure and other public improvements and facilities made necessary by new development in the City of Ontario ("City"); and”

Resolution No. 2025-010, adopted 2025-03-18, first recital, page 1 of 5 · source document ↗
Who adopted it

Ordinance Nos. 2779 and 2780

“WHEREAS, on July 1, 2003, the City Council of the City of Ontario (the "City Council") adopted Ordinance Nos. 2779 and 2780 to implement new and modified Development Impact Fees in recognition of the need to finance adequate infrastructure and other public improvements and facilities made necessary by new development in the City of Ontario ("City"); and”

Resolution No. 2025-010, adopted 2025-03-18, first recital, page 1 of 5 · source document ↗
When it is paid

at building permit

“GENERAL CITY (GC) DEVELOPMENT IMPACT FEES EFFECTIVE 07/01/2026 / COLLECTED AT BUILDING PERMIT ($)”

General City (GC) Development Impact Fees Effective as of July 1, 2026, sheet heading; footed "CC Resolution No. 2025-010 (Effective 07/01/26)" · source document ↗
Who collects it

City of Ontario, the agency that levies it

“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.”

City of Ontario, Development Impact Fees page, retrieved 2026-09-02 · source document ↗
Credits and offsets

“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 [email protected].”

City of Ontario, DIF Credit or Reimbursement Requests page · source document ↗
How it changes

“SECTION 5. This Resolution, including the updated fee amounts contained in "Exhibit A" and "Exhibit B" attached hereto and incorporated herein, shall be effective for all new development projects occurring in the City, when applicable, sixty (60) days following its adoption.”

Resolution No. 2025-010, adopted 2025-03-18, Section 5, page 3 of 5 · source document ↗

Every published rate

Land useApplies toBasisEffectiveAmount
General City
Single-family detached detached dwellingthis home per DU 1 Jul 2026 $69.00

“General City – Maximum Regional Sewer Collection Development Impact Fees by Land Use | Proposed Land Use | Impact Fee Per Unit or S.F. | Detached Dwellings | $ 69/Unit”

Resolution No. 2025-010, adopted 2025-03-18, "EXHIBIT B" — City of Ontario Development Impact Fee Schedule 07.01.26, General City Regional Sewer Collection table, PDF p. 21 · source document ↗
Single-family attached Attached Dwellings per DU — $60.00
the line this rate was read from

“General City – Maximum Regional Sewer Collection Development Impact Fees by Land Use | Attached Dwellings | $ 60/Unit”

the levying document · source document ↗
Mobile home Mobile Home Dwellings per DU — $60.00
the line this rate was read from

“General City – Maximum Regional Sewer Collection Development Impact Fees by Land Use | Mobile Home Dwellings | $ 60/Unit”

the levying document · source document ↗
Multi-family High Density Dwellings per DU — $52.00
the line this rate was read from

“General City – Maximum Regional Sewer Collection Development Impact Fees by Land Use | High Density Dwellings | $ 52/Unit”

the levying document · source document ↗

About these figures

Quoted, not summarized. Every amount and fact on this page is copied from the official document it links to. If we couldn’t find something in a document, we leave it blank instead of guessing.

Before any discounts. Some fees offer credits, waivers or phase-ins. They’re listed above but not subtracted, because whether you qualify depends on your project.

Check the date. Fees change. This page shows what was in force on the date at the top, with a link to the document that set it, so you can confirm the current amount yourself. How all of this is put together.

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