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El Monte, CA Building Safety: Building Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Adopted code
2023 Los Angeles County Building Code
Exempt sheds
Up to 120 sq ft, 15 ft tall
Exempt fences
Up to 6 ft wood/wrought iron
Exempt garden/pilaster walls
Up to 3 ft high
Exempt retaining walls
Up to 3 ft, no surcharge
Fee basis
Building Official's valuation of all work
Violation penalty
Chapter 1.24 general penalty

Summary

El Monte adopts the 2023 Los Angeles County Building Code as the El Monte Building Code under Chapter 15.01, so virtually all construction needs a permit from the Building and Safety Division. The city carved out only a narrow list of exemptions in Subsection 106.3, covering small accessory sheds, low fences and short retaining walls.

1.One-story detached accessory structures used as tool and storage sheds, playhouses, and similar uses, provided the floor area does not exceed 120 square feet and the highest point of the roof does not exceed 15 feet 0 inches above adjacent grade. NOTE: The accessory structure shall comply with the City Zoning Code regardless of whether a building permit for said structure is required or not. 2.Wood, wrought iron and similar fences not over 6 feet high and masonry, concrete and similar garden or pilaster fences not over 3 feet high. NOTE: Fences shall comply with the City's Zoning Code regardless of whether a building permit is required or not. 4.Retaining walls not over 3 feet high measured from the top of the footing to the top of the wall, unless supporting a surcharge. NOTE: Retaining walls shall comply with the City's Zoning Code regardless of whether a building permit is required or not.

Full Breakdown

010 adopts the 2023 Los Angeles County Building Code, as approved by the county Board of Supervisors on November 15, 2022, in its entirety as the El Monte Building Code, to safeguard life, health, property and public welfare in the city. 020 defines the Building Official as the Chief Building Official of El Monte and the Building Department as the Building and Safety Division of the Community and Economic Development Department. 3 (Work Exempt from Permit-Building) to list the city's specific exemptions: one-story detached accessory structures such as tool sheds and playhouses under 120 square feet with a roof no higher than 15 feet; wood, wrought iron or similar fences up to 6 feet high and masonry or garden pilaster fences up to 3 feet high; and retaining walls up to 3 feet measured from the footing unless they support a surcharge.

Each exemption item carries its own note that the structure must still comply with the Zoning Code even without a building permit. 070 sets Building Permit Fees based on the Building Official's determination of the total value of all work covered, including construction, painting, roofing, electrical, plumbing, HVAC, elevators and fire-extinguishing systems, with plan review and recheck fees charged separately and set by City Council resolution. 060 additionally require a written property description, a stated demolition start date, and, under most circumstances, a cash or surety bond equal to the estimated cost of work plus 10 percent, along with proof of compliance with South Coast Air Quality Management District rules.

Violations & Fines

Section 15.01.030 adds Subsection 103.3.1 to the adopted code, making any violation of the El Monte Building Code punishable under Chapter 1.24 (General Penalty) of the Municipal Code. Constructing, altering or demolishing a structure without a required permit, or work that falls outside the narrow 106.3 exemptions, is a code violation subject to those general penalties, and even exempted small sheds, fences and retaining walls remain independently enforceable under the Zoning Code.

Frequently Asked Questions

Do I need a permit to build a backyard shed in El Monte?
No, if it's a one-story detached accessory structure like a tool shed or playhouse under 120 square feet with a roof no higher than 15 feet, Section 15.01.040 exempts it from a building permit, though it must still comply with the Zoning Code.
Is a permit required to build a fence in El Monte?
No permit is needed for wood, wrought iron or similar fences up to 6 feet high, or masonry and garden pilaster fences up to 3 feet high, under Section 15.01.040, but the fence still has to meet the Zoning Code's location and height rules.
How does El Monte calculate my building permit fee?
The Building Official values all work covered by the permit, including construction, electrical, plumbing, roofing and HVAC, under Section 15.01.070, and that valuation sets the permit fee; plan review and recheck fees are billed separately by City Council resolution.
What happens if I build without a required permit in El Monte?
It's a violation of the El Monte Building Code under Section 15.01.030, punishable under Chapter 1.24's general penalty provisions, on top of any order to stop work or bring the structure into compliance.

Sources & Official References

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