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

Retaining walls over 4 feet in height measured from the bottom of the footing to the top of the wall require a building permit and engineered plans in Moreno Valley. Walls supporting a surcharge such as a driveway or structure above require a permit at any height. Setback and drainage rules apply.

Swimming pool barriers in Moreno Valley must comply with California Building Code and Health and Safety Code section 115920 et seq. Pools deeper than 18 inches require at least 60-inch barrier fencing with self-closing, self-latching gates. Two additional drowning-prevention features are required on new residential pools.

Moreno Valley generally does not require permits for standard residential fences within height limits. Permits are needed for masonry walls, retaining walls, and pool barriers. All fences must meet development standards.

Moreno Valley follows California Civil Code §841 for shared boundary fences. Adjoining property owners share equal responsibility for maintaining boundary fences. The city does not mediate private disputes.

Moreno Valley regulates fence heights under MVMC Chapter 9.08 (General Development Standards). Front yard fences are typically limited to 3 feet, side and rear to 6 feet. Corner lot visibility requirements apply.

Moreno Valley requires all swimming pools to have safety barriers per California Building Code Chapter 31. Barriers must be at least 5 feet high with self-closing, self-latching gates.

Hot tubs and spas in Moreno Valley require building and electrical permits, GFCI protection, equipotential bonding, and either an approved locking safety cover or full barrier compliance under California Health and Safety Code Section 115922.

Moreno Valley requires building, electrical, and plumbing permits for all in-ground and above-ground pools deeper than 18 inches, issued through the Building and Safety Division with CBC and CPC compliance inspections.

Above-ground pools holding 18+ inches of water must meet the same CBC barrier requirements as in-ground pools. Pool walls at least 48 inches high with lockable ladders may partially satisfy barrier requirements.

Moreno Valley enforces California pool safety regulations including barriers, anti-entrapment drains, and the Swimming Pool Safety Act. Building permits are required for all new pools.

Moreno Valley allows garage conversions to ADUs under California state law. Building permits are required. The city cannot require replacement parking per state law. Converted space must meet habitability standards.

Moreno Valley allows ADUs on residential lots per California state law. Junior ADUs (JADUs) up to 500 sq ft within existing structures are permitted. ADUs up to 800 sq ft are allowed by right. Building permits required.

Moreno Valley allows tiny homes on foundations as ADUs under California Government Code Section 65852.2, while movable tiny homes on wheels are limited to RV parks or approved tiny-home-on-wheels ADU programs.

Moreno Valley permits attached and detached carports in residential zones with a building permit when larger than 120 square feet, subject to setback, height, and lot coverage limits under MVMC Title 9 zoning.

Moreno Valley allows sheds and accessory structures in residential zones. Structures under 120 sq ft typically do not require permits but must meet setbacks. Larger structures require building permits.

Outdoor burning is prohibited in Moreno Valley. The city is within the South Coast Air Quality Management District (SCAQMD), which enforces strict no-burn regulations. SCAQMD no-burn alerts restrict fireplace use.

Moreno Valley allows recreational fire pits with restrictions. Fire pits must maintain clearance from structures, use approved fuels, and comply with SCAQMD no-burn alerts. Gas fire pits avoid wood-burning restrictions.

Moreno Valley requires property owners to maintain trees so they do not obstruct sidewalks or streets. City trees in the right-of-way are maintained by Public Works. Tree trimming near power lines requires coordination with SCE.

Moreno Valley enforces water conservation through Eastern Municipal Water District (EMWD) and other providers. Restrictions include no excess runoff, watering schedules, and compliance with California's statewide water conservation mandates.

Moreno Valley generally allows removal of private trees on private property. City-owned street trees require city authorization. Trees in development areas may require review before removal.