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

Residential fences and walls not over 3.5 feet high are exempt from a building permit. Residential retaining and non-retaining walls not over 4 feet (footing to top) are exempt unless supporting a surcharge or impounding flammable liquids. Taller fences and walls need a permit, and front-yard fences over 3.5 feet trigger design review.

The City Zoning Ordinance sets height and location limits but does not assign cost-sharing for shared fences. Cost and maintenance of a boundary fence are governed by California's Good Neighbor Fence Law, Civil Code 841, which presumes adjoining owners share equal benefit and equal responsibility, with 30 days' written notice required before incurring costs.

Residential retaining walls not over 4 feet (footing to top) are permit-exempt unless they support a surcharge or impound flammable liquids. Where a fence sits on a retaining wall, the part of the wall above finished grade counts toward fence height. Retaining walls 6 feet or taller trigger Single Family Design Board review.

Decorative elements up to 9 by 9 inches may exceed the fence height limit by up to 12 inches if spaced at least 6 feet on-center. Guardrails may rise above the limit only to the minimum required by the California Building Code and must be predominantly transparent. Entryway arbors must attach to a fence and be substantially open.

In residential zones, fences and walls within 10 feet of a front lot line are limited to 3.5 feet; screens and hedges to 8 feet. Within front setbacks (10-35 ft) and interior setbacks (5-15 ft), fences, screens, walls and hedges are limited to 8 feet. Administrative exceptions can add 4-6 feet.

The City of Santa Barbara Building & Safety Division requires a building permit before constructing or remodeling any private swimming pool or spa. Plans must show plumbing, electrical, and barrier details and meet California Building Code Section 3109 plus City pool ordinance #5919. No water may be added before final safeguard approval.

Santa Barbara requires a protective enclosure around residential pools and spas. The City's pool handout adopts the California enclosure standard: a minimum 60-inch (5-foot) barrier, no more than 2 inches of ground clearance, no openings passing a 4-inch sphere, and self-closing, self-latching gates that open away from the pool.

When the City issues a permit to build or remodel a residential pool or spa, the City's pool handout requires at least two of the seven state drowning-prevention safety features under Health & Safety Code 115922 - such as a compliant enclosure, ASTM mesh fencing, a safety pool cover, door exit alarms, self-latching house doors, or a pool alarm.

Hot tubs and spas need a City permit and generally follow the same pool barrier and safety rules. However, the City's handout adopts a key state exception: per HSC 115925, hot tubs and spas with a locking safety cover compliant with ASTM F1346 are exempt from the two-of-seven drowning-prevention features.

Santa Barbara's pool ordinance does not exempt above-ground pools. A building permit is required, and the same barrier and two-of-seven safety-feature rules under CBC 3109 and HSC 115922-115923 apply. The protective enclosure requirement covers the entire pool, built-in spa, portable spa, or yard.

The City of Santa Barbara allows an existing garage to be converted into an ADU or JADU under Municipal Code 30.185.040. No setback is required to convert legally permitted floor area, and the garage parking spaces that are removed need not be replaced. Converted garage doors must be replaced with matching wall, windows, or doors.

The City of Santa Barbara permits accessory dwelling units (ADUs) and junior ADUs (JADUs) ministerially in residential zones under Municipal Code Section 30.185.040, implementing California ADU law. Detached ADUs may reach 850 to 1,200 sq ft depending on lot size; JADUs are capped at 500 sq ft. Coastal-zone ADUs also need coastal review.

In the City of Santa Barbara, work or storage sheds for non-commercial use are a permitted accessory use in residential zones. Accessory buildings may not exceed 30 feet and two stories, must meet zone setbacks (with limited encroachments allowed), and are subject to floor-area caps that scale with lot size.

In the City of Santa Barbara, a private garage, carport, or parking space is a permitted accessory use in residential zones. Covered parking must meet zone setbacks (street-facing covered parking generally set back 20 feet) and counts toward the lot's combined covered-parking-and-accessory-building floor-area cap.

The City of Santa Barbara has no separate 'tiny home' zoning category. A permanently founded small dwelling is regulated as an ADU under Municipal Code 30.185.040, which sets a 150 sq ft efficiency-unit minimum and requires an approved permanent foundation. Tiny homes on wheels (RVs) cannot be used as permanent dwellings.

Outdoor fireplaces, fire pits, and barbecues are regulated by the City Fire Code (Municipal Code Ch. 8.04). In High Fire Hazard Areas they must sit at least 30 feet from grass, brush, or forested areas, be kept in safe condition, and have an approved spark arrester, screen, or door over openings.

Open burning of household and yard waste is not allowed in Santa Barbara. The City Fire Code prohibits open burning that is offensive due to smoke, and the Santa Barbara County Air Pollution Control District (APCD) bans residential waste burning district-wide. Any allowed burning requires a permit.

Removing a protected tree in the City of Santa Barbara requires a permit. Street, setback, specimen, and historic trees are reviewed by the Parks and Recreation Commission or a design review body, and removing one without a permit triggers fines up to $5,000 based on trunk size.

The City of Santa Barbara's Water Regulations (SBMC Chapter 14.20) keep certain rules in force at all times, even outside a drought, prohibiting wasteful runoff, requiring leaks to be fixed within 72 hours of notice, and barring irrigation during and within 48 hours after measurable rainfall.

In the City of Santa Barbara, only City staff may trim, plant, or remove street trees in the parkway or right-of-way. Significantly pruning a protected tree, including setback trees and designated specimen or historic trees, requires a City permit, and unpermitted work carries escalating fines.