Fontana — Development Standards

Last reviewed: July 2, 2026

Overview

This page summarizes what the Fontana Zoning and Development Code says about development standards — setbacks, heights, lot coverage, density and FAR — and where those rules differ by district and overlay. For the citywide context see the Fontana zoning & planning overview and the specific [Fontana Zoning] rules that govern district standards. This document interprets the local code text and tables; always verify parcel‑specific application with the City. Where the code delegates discretion (design review, exceptions), see the [Fontana Design Review] rules. Note: building-code technical requirements (Title 24) are separate; consult the California Building Standards Code for construction standards.

District-by-district development standards (summary + where it applies)

Below are the Fontana districts and overlay districts that contain explicit numeric standards in the municipal Zoning and Development Code. Each district subsection gives the purpose, typical uses, the key dimensional standards (setbacks, height, lot coverage, FAR or density) and citation to the controlling code section.

Valley Business Park Overlay (VBPO)

• Purpose / where it applies: Industrial/business park development inside the valley business park overlay. See Overlay rules for where the overlay may be applied.
• Typical uses: Business park, light industrial, professional service and warehouse‑oriented uses.
• Key dimensional standards: maximum building height 60 ft, maximum lot coverage 60%, maximum base FAR 0.55, minimum lot size 1 acre. Minimum building setbacks vary by frontage: 30 ft along Valley Boulevard/Cherry Avenue, 25 ft along Poplar/Beech, 40 ft from I‑10, 20 ft along collector streets, 15 ft along local streets; interior setback adjacent to residential uses 20 ft. See § 30-663.

Warehousing / Distribution / Logistics Overlay

• Purpose / where it applies: Large logistics facilities where the overlay applies (special lot dimension and separation standards).
• Typical uses: Large warehouses, distribution centers, logistics campuses.
• Key dimensional standards: minimum lot size 4 acres; minimum lot width/depth 300 ft; maximum building height 60 ft; maximum lot coverage 50%; maximum base FAR 0.50. Frontage-specific setbacks include 40 ft on Sierra Ave and Casa Grande Ave, 15–40 ft on other frontages; for lots adjacent to residential districts rear/interior side setbacks may be increased to 40 ft. See § 30-650 (and § 30-649 re: process).

Commercial districts: C-1, C-2 and RMU

• Purpose / where it applies: Retail, service, mixed‑use and general commercial. See Table No. 30‑494 for the commercial development standards.
• Typical uses: Retail, restaurants, offices, mixed‑use in RMU.
• Key dimensional standards (Table No. 30‑494.A): C-1 minimum lot 20,000 sf, max height 35 ft, lot coverage 50%, max FAR 0.50. C-2 minimum lot 40,000 sf, max height 60 ft, lot coverage 50%, max FAR 1.0. RMU (Retail Mixed Use) minimum lot 1 acre, max height 75 ft, FAR 1.0 (note: special mixed‑use FAR rules apply — see § 30‑494). Building setbacks (Table No. 30‑494.B): abutting freeways 25 ft, major/primary highways 20 ft, collector/local streets 15 ft; side/rear setback abutting residential 20 ft, otherwise 0 ft. See § 30-494.

Form-Based / Core districts (examples — Neighborhood, Multi‑Family, Sierra Core, Sierra Gateway)

• Purpose / where it applies: Form‑based zones that regulate building form, frontage, and pedestrian orientation. See the Form Based Code divisions for precise block/ frontage rules.
• Typical uses: Varies — single‑family in Neighborhood, medium/high density residential and mixed use in Multi‑Family, Sierra Core, Sierra Gateway.
• Key dimensional standards:
  • Neighborhood District: single‑family density 3–5 du/ac; front setback 10–25 ft; side street 10–20 ft; interior side 5 ft; rear 10 ft. See § 30-364.
  • Multi‑Family District: density 12–39 du/ac; front setback 5–20 ft; side street 5–10 ft; interior side 0 ft allowed; rear max 10 ft (where applicable). See § 30-365.
  • Sierra Core / Sierra Gateway: taller, mixed‑use cores with FAR allowances up to 2.0 in some core districts, frontages with 0–15 ft setback ranges, and building heights up to 70 ft (Sierra Core) or 55 ft in some mixed‑use zones; specific frontage/encroachment rules (arcades, awnings, balconies, eaves) and parking setback minima apply. See § 30-371.1, § 30-371.2 and form‑based tables.

Mixed‑Use and High‑Intensity (R‑4 / R‑5 / Mixed‑Use standards)

• Purpose / where it applies: Higher intensity residential/mixed‑use corridors and centers.
• Typical uses: Vertical or horizontal mixed‑use and higher‑density multi‑family.
• Key dimensional standards (Table No. 30‑454): maximum dwelling units per adjusted gross acre R‑4: 24.1–39.0 du/ac; R‑5: 39.1–50.0 du/ac; maximum FAR for these mixed‑use standards 5.0 (note: this is a development‑standard maximum for mixed‑use projects under the specific mixed‑use division); minimum lot size 2 acres; maximum lot coverage 70%; maximum building height 55 ft (with story limits). Side setbacks to lower residential zones (R‑1) typically 25 ft. See § 30-454.

Density Bonus & Residential tables (R‑E, R‑1, R‑2, R‑3, R‑PC)

• Purpose: Density bonus table and residential minimums/maximums that apply when a developer uses state or local density bonus provisions.
• Typical rules: Table No. 30‑437 sets maximum permitted units per acre by base residential district (for example R‑2: 15 du/ac (attached or multifamily), R‑3: 30 du/ac — see table), minimum lot sizes, and maximum lot coverage percentages (R‑1: 45%, R‑2: 50%, **R‑3: 50%). Setbacks in the density‑bonus table include front setbacks in some districts of 25–30 ft depending on district. See § 30-437.

Emergency Shelter / Supportive Housing standards

• Key standards: minimum lot size 20,000 sf, minimum lot width 150 ft, maximum building height 100 ft, maximum lot coverage 60%, maximum FAR 0.50. Required yard setbacks: front 25 ft, rear 25 ft, interior side 15 ft, corner/street side 15 ft. See § 30-655.

Public/Facility/Open Space (P‑PF, OS‑N, OS‑R)

• Key standards: common setbacks 30 ft along street; interior side 10–15 ft (aggregate rules may apply); max building heights generally 35 ft or as the table indicates (2–2½ stories). See § 30-613 and § 30-614 for landscaping/screening requirements.

Quick reference table — most decision‑relevant numeric standards

(These are the controlling local numeric limits excerpted from the Zoning and Development Code tables cited above; always confirm the full table entries and footnotes in the ordinance text for exceptions and aggregation rules.) See [Fontana Overlay Districts] for overlay locations and [Fontana Landscaping and Screening] for setback landscaping obligations.

Practical guidance and synthesis (plain‑English)

• The Zoning and Development Code uses three mechanisms to set development standards: district tables (e.g., Table 30‑494), form‑based code districts (neighborhood/core rules), and overlay district divisions (which provide overlay‑specific heights, FARs and setbacks). When an overlay applies, its standards (e.g., VBPO, warehousing overlay) can add or supersede baseline district rules — check the overlay section first (for example, § 30‑663 for VBPO) and then the underlying zoning.
• FAR and lot coverage are treated separately: lot coverage caps the percentage of site area covered by building footprint; FAR caps aggregate floor area. Some mixed‑use tables treat residential floor area differently for FAR calculation (see Table 30‑494 notes). Always check the specific table footnotes and the mixed‑use FAR rules to avoid double counting.
• Setbacks are often frontage‑specific (different setback requirements by named street or street type) and may increase where the parcel abuts residential zones (typical buffer 20–40 ft). Where the Form Based Code applies, frontages may allow 0 ft build‑to zones and require particular façade frontage coverage instead of deep setbacks.

Checklist (what an applicant must satisfy before entitlement)

• Confirm the parcel’s base zoning and any overlay(s) that apply; start with the [Fontana Zoning] map and overlay pages. Verify which district table (e.g., Table 30‑494, Table 30‑454, Table 30‑437) controls your lot. (Verify with the jurisdiction.)
• Confirm maximum height, lot coverage, FAR/density from the applicable table/overlay text (examples: § 30‑663, § 30‑650, § 30‑494, § 30‑454).
• Measure and document required front/side/rear setbacks and check frontage‑specific rules (named streets, freeway buffers) in the controlling section.
• Calculate FAR consistent with mixed‑use footnotes (residential area inclusion rules) and confirm lot coverage as a percent of adjusted gross acreage where applicable.
• Confirm required building separation, interior side yard aggregates (Table 30‑448) and any open‑space or common‑space minimums for larger developments.
• Review parking requirements and placement rules under the code and the [Fontana Parking] rules (parking location/setbacks often specified in the same district/table).
• Determine whether design review or administrative site plan review is required (many overlays and form‑based districts mandate review); consult [Fontana Design Review].
• If proposing an ADU, consult the specific [Fontana ADUs] page and state ADU law — the local development standards page may not contain ADU‑specific exceptions. (Verify with the jurisdiction.)
• Where code grants discretionary authority (exceptions, increased setbacks, or Planning Commission modifications), prepare findings to justify deviations. See variance provisions in [Fontana Variances and Exceptions]. (Verify with the jurisdiction.)

Risks & Ambiguities

Plain‑English Summary

Fontana’s Zoning and Development Code sets district‑specific numeric limits (height, setbacks, lot coverage, FAR/density) in tables and overlay sections. Overlays (like the Valley Business Park or Warehousing overlays) and the Form‑Based Code districts often replace or refine baseline rules — always check the overlay or form‑based table that controls your parcel and verify with Planning. Key tables include Table 30‑494 (commercial/mixed‑use), Table 30‑454 (mixed‑use standards), Table 30‑437 (density bonus), and overlay sections such as § 30‑663 and § 30‑650.

Source References

• Fontana Zoning and Development Code — Valley Business Park Overlay, § 30-663.
• Fontana Zoning and Development Code — Warehousing Distribution/Logistics Overlay, § 30-650 / § 30-649.
• Fontana Zoning and Development Code — Commercial & Mixed Use tables (Table No. 30‑494.A / 30‑494.B), § 30-494.
• Fontana Zoning and Development Code — Emergency Shelter / Supportive Housing standards, § 30-655.
• Fontana Form Based Code districts — Neighborhood, Multi‑Family, Sierra Core / Gateway (Sec. 30‑364, 30‑365, 30‑371.1, 30‑371.2).
• Fontana Mixed‑Use Development Standards (Table No. 30‑454), § 30-454.
• Fontana Density Bonus Residential Standards (Table No. 30‑437), § 30-437.
• Citywide development standards (P‑PF, OS‑N, OS‑R) and Table 30‑613, § 30-613, § 30-614.
• For parking placement and counts, see the district tables and the [Fontana Parking] rules referenced in district tables.
• For design review triggers and administrative siteplan review requirements within overlays, see the overlay sections cited above (e.g., § 30‑663, § 30‑649).

Retrieved passages

• Fontana Zoning Code (Section 30-40) High relevance show source text
• Fontana Zoning Code (Article XI.) High relevance show source text
• Fontana Zoning Code High relevance show source text
• Fontana Zoning Code (Article XI.) High relevance show source text
• Fontana Zoning Code (section are) High relevance show source text
• Fontana Zoning Code (§ 6) High relevance show source text
• Fontana Zoning Code (Article II) High relevance show source text
• Fontana Zoning Code (Section 30-405) High relevance show source text

Cited sections

• Fontana Zoning and Development Code — Valley Business Park Overlay, **§ 30-663**. (§ 30-663)
• Fontana Zoning and Development Code — Warehousing Distribution/Logistics Overlay, **§ 30-650 / § 30-649**. (§ 30-650)
• Fontana Zoning and Development Code — Commercial & Mixed Use tables (Table No. 30‑494.A / 30‑494.B), **§ 30-494**. (§ 30-494)
• Fontana Zoning and Development Code — Emergency Shelter / Supportive Housing standards, **§ 30-655**. (§ 30-655)
• Fontana Form Based Code districts — Neighborhood, Multi‑Family, Sierra Core / Gateway (Sec. 30‑364, 30‑365, 30‑371.1, 30‑371.2).
• Fontana Mixed‑Use Development Standards (Table No. 30‑454), **§ 30-454**. (§ 30-454)
• Fontana Density Bonus Residential Standards (Table No. 30‑437), **§ 30-437**. (§ 30-437)
• Citywide development standards (P‑PF, OS‑N, OS‑R) and Table 30‑613, **§ 30-613**, **§ 30-614**. (§ 30-613)
• For parking placement and counts, see the district tables and the [Fontana Parking] rules referenced in district tables.
• For design review triggers and administrative siteplan review requirements within overlays, see the overlay sections cited above (e.g., **§ 30‑663**, **§ 30‑649**). (§ 30)
• Fontana_ZoningCode.md

• Official Fontana code library