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Before You Build in Fontana, CA: Permit & Rule Checklist (2026)

Everything you need to know before starting a home improvement project

Building a fence, installing a pool, or adding a shed? Each project has its own set of local permits and rules in Fontana. This guide consolidates fence, pool, ADU, shed, fire pit, and landscaping regulations into one checklist so you know what to expect before you start.

Quick Permit Checklist

At-a-glance overview of permit categories in Fontana. Click any card for details.

Fences & Walls

Light Restrictions

Height limits, materials, permits, and shared fence rules.

Fence Permit Requirements

Light Restrictions

Fontana's building code amendment exempts short fences from a building permit: solid fences up to 3.5 feet and open fences up to 4 feet, with at least 90 percent open surface area, don't need one. Sec. 5-62(a) rewrites California Building Code Section 105.2's Exemption 2 to set those two thresholds; anything taller falls back under the standard permit requirement.

Solid fence permit exemption: Up to 3.5 feetOpen fence permit exemption: Up to 4 feet, 90% openGoverning section: Sec. 5-62(a), CBC Sec. 105.2Above threshold: Building permit required

Retaining Walls

Light Restrictions

Fontana exempts short retaining walls from a building permit: Sec. 5-62(b) rewrites California Building Code Section 105.2's Exemption 4 so any wall not over 3 feet tall, measured from the bottom of the footing to the top of the wall, skips the permit, unless it supports a surcharge or holds back flammable or combustible liquids.

Exempt height: 3 feet, footing to topSurcharge/flammable liquid: Permit required at any heightGoverning section: Sec. 5-62(b), CBC Sec. 105.2Adopted code: 2025 California Building Code

Neighbor Fence Rules

Few Restrictions

California Civil Code Section 841, the Good Neighbor Fence Act, controls shared boundary fences in Fontana. Adjoining neighbors share costs equally unless one party can show unequal benefit, and 30 days written notice is required before construction.

State Law: CA Civil Code 841Cost Share: Equal presumed, rebuttableNotice: 30 days written requiredSpite Fence: Over 10 ft nuisance (841.4)

Swimming Pools

Some Restrictions

Pool permits, safety fencing, and drainage requirements.

Pool Permits

Some Restrictions

Fontana requires building, plumbing, and electrical permits for all in-ground and above-ground pools and spas over 24 inches deep. Permits ensure code-compliant construction and safety.

Permit types: Building, plumbing, electricalTrigger depth: Typically over 18 to 24 inchesSite plan: RequiredDrowning prevention: 2 features required

Fencing & Safety Requirements

Some Restrictions

California H&S Code 115922 requires residential pools to have an enclosure at least 60 inches tall with self-closing, self-latching gates. Fontana enforces state barrier standards plus CBC code.

Minimum height: 60 inchesUnder clearance: 2 inches maxGate opening: Outward from poolLatch height: 54 inches minimum

ADUs & Granny Flats

Accessory dwelling unit rules and garage conversion permits.

No specific adus & granny flats rules found for Fontana. Check with your local building department for current requirements.

Sheds & Outbuildings

Shed permits, setback limits, and outbuilding size rules.

No specific sheds & outbuildings rules found for Fontana. Check with your local building department for current requirements.

Fire Pits & Outdoor Structures

Significant Restrictions

Fire pit placement, outdoor burning restrictions, and permits.

Fire Pits & Backyard Fires

Some Restrictions

Backyard fire pits and barbecue pits in Fontana must have their location and type approved by the Fontana Fire Protection District, and a barbecue pit may only burn wood or other clean solid fuel. Unlike open burning, approved grills and pits are exempt from the city's 6 a.m. to 11 a.m. burning-hours window.

Approval required: Fontana Fire Protection District sign-off on locationBarbecue pit fuel: Wood or other clean solid fuel onlyHours exemption: Exempt from 6 a.m.-11 a.m. burning windowWaste burning: Prohibited in any grill or pit

Outdoor Burning

Significant Restrictions

Fontana bans burning weeds, brush, tree trimmings or other yard debris outdoors except in an approved incinerator or under a written open-burning permit from the Fontana Fire Protection District. Permitted burning is confined to 6 a.m.-11 a.m., a competent attendant must stay with the fire, and burning stops the moment wind exceeds ten miles per hour.

Burning hours: 6:00 a.m. to 11:00 a.m. onlyWind limit: Stop burning above 10 mph windPermit: Written permit from Fire Protection District requiredAttendance: Competent person must stay until extinguished

Landscaping & Tree Removal

Some Restrictions

Tree removal permits, heritage tree protections, and water rules.

Tree Removal & Heritage Trees

Some Restrictions

Removing a heritage, significant or specimen tree in Fontana requires a removal permit from the community development department before work starts. Sec. 28-64 bars removal without one, and Sec. 28-68 spells out what the application must include, from the reason for removal to arborist reports.

Permit required before removal: Sec. 28-64, community development departmentApplication fee: Set by city council resolutionPermit validity: 180 days after 10-day appeal periodAppeal deadline: 10 calendar days to city manager

Tree Trimming

Some Restrictions

Private trees in Fontana are the owners responsibility, but parkway trees belong to the city and need a Public Works permit. Maintain 14 feet over streets and 8 feet over sidewalks.

Street tree ownership: Parkway trees are city-owned; residents cannot prune themStreet clearance: 14 feet over streets, 8 feet over sidewalksPrivate tree rules: Owner can trim or remove without a city permitNeighbor encroachment: May trim to property line under Civil Code 833

Water Restrictions

Some Restrictions

Fontana Water Company bans irrigation between 9 a.m. and 6 p.m. and any runoff onto streets. AB 1572 ends non-functional turf irrigation at commercial and HOA sites by 2027.

No-water window: No irrigation between 9 a.m. and 6 p.m.Runoff ban: Statewide - no water running onto sidewalks or streetsHose nozzle: Shutoff nozzle required on all hand-held hosesAB 1572: Non-functional turf irrigation ban for HOA/commercial by 2027

General Permit Tips

When do you typically need a permit?

Most cities require permits for structural work, including fences over a certain height, pools, ADUs, and sheds above a size threshold. Even projects that seem minor can trigger permit requirements, so it is always best to check first.

How to apply for a building permit

Visit your local building department or their website. Most jurisdictions accept online applications. You will typically need a site plan, project description, and may need contractor information. Processing times vary from same-day for simple projects to several weeks for larger builds.

Common permit violations to avoid

Building without a permit, exceeding approved dimensions, and ignoring setback requirements are the most common violations. Penalties can include fines, required removal of the structure, and complications when selling your home.

Permit Guides for Nearby Cities

Looking for rules beyond permits? View all ordinances we track for Fontana.