Before You Build in San Leandro, 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 San Leandro. 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 San Leandro. Click any card for details.
Fences & Walls
5 rules on file
Swimming Pools
5 rules on file
ADUs & Granny Flats
2 rules on file
Sheds & Outbuildings
3 rules on file
Fire Pits & Outdoor Structures
2 rules on file
Landscaping & Tree Removal
3 rules on file
Fences & Walls
Heavy RestrictionsHeight limits, materials, permits, and shared fence rules.
Permit Requirements
Some RestrictionsSan Leandro requires a building permit for fences over 6 feet tall or any masonry/retaining wall over 3 feet. Under 6 feet wood fences are permit-exempt.
Height Limits
Some RestrictionsSan Leandro fences limited to 3.5 feet in front yard setback, 6 feet in side/rear yards, and 7 feet for permitted masonry boundary walls.
Neighbor Fence Rules
Some RestrictionsCalifornia Civil Code 841 (Good Neighbor Fence Act) presumes 50/50 cost share for boundary fences. 30-day written notice required before construction.
Pool Barriers
Heavy RestrictionsPools require a 60-inch enclosure with self-closing, self-latching gates per CA Health and Safety Code 115920 and San Leandro Building Code.
Retaining Walls
Some RestrictionsUnder the 2022 California Building Code as adopted by San Leandro in SLMC Title 7 Chapter 7-5 (Building Code), a building permit is required for any retaining wall over 4 feet measured from the bottom of the footing to the top of the wall, or for any wall of any height that supports a surcharge (such as a slope or driveway above the wall).
Swimming Pools
Heavy RestrictionsPool permits, safety fencing, and drainage requirements.
Safety Rules
Heavy RestrictionsSan Leandro pools built or remodeled after 2007 must have at least 2 drowning-prevention features under California Health and Safety Code 115922.
Hot Tub Rules
Some RestrictionsHot tubs and spas in San Leandro require permits and must have locking safety covers meeting ASTM F1346 or comply with full barrier rules.
Pool Permits
Heavy RestrictionsSan Leandro requires building permits for all in-ground and most above-ground swimming pools. Plans must demonstrate state-mandated safety features.
Above-Ground Pools
Some RestrictionsAbove-ground pools over 18 inches deep in San Leandro require permits and must comply with barrier and safety feature rules under HSC 115920.
Fencing Requirements
Heavy RestrictionsPool barriers in San Leandro must be at least 60 inches (5 feet) tall with self-closing, self-latching gates per California Health and Safety Code 115923.
ADUs & Granny Flats
Few RestrictionsAccessory dwelling unit rules and garage conversion permits.
Garage Conversions
Few RestrictionsGarage conversions to ADUs are streamlined in San Leandro under state ADU law. Replacement parking cannot be required near transit.
ADU Rules
Few RestrictionsSan Leandro must allow ADUs citywide under CA Gov Code 65852.2. Up to 1,200 sq ft detached or 50 percent of primary for attached, with streamlined ministerial approval.
Sheds & Outbuildings
Some RestrictionsShed permits, setback limits, and outbuilding size rules.
Shed Rules
Few RestrictionsSheds under 120 sq ft need no building permit in San Leandro but must meet zoning setbacks. Larger sheds require permits and rear/side setback compliance.
Tiny Homes
Some RestrictionsTiny homes on foundations are treated as ADUs in San Leandro. Tiny homes on wheels (THOW) are RVs and cannot be used as permanent dwellings on residential lots.
Carport Rules
Some RestrictionsCarports in San Leandro require a building permit and must meet residential zoning setbacks. Front-yard carports are generally not allowed.
Fire Pits & Outdoor Structures
Heavy RestrictionsFire pit placement, outdoor burning restrictions, and permits.
Outdoor Burning
Heavy RestrictionsOpen outdoor burning is banned in San Leandro under BAAQMD Regulation 5 and city fire code. Only approved recreational fires in contained pits are allowed.
Fire Pit Rules
Some RestrictionsSan Leandro fire pits must follow CA Fire Code 307 plus Alameda County Fire Department rules. Max 3 ft diameter, 15 ft setback from structures, attended at all times.
Landscaping & Tree Removal
Heavy RestrictionsTree removal permits, heritage tree protections, and water rules.
Water Restrictions
Heavy RestrictionsSan Leandro water is supplied by EBMUD. Permanent statewide rules ban runoff, hosing hard surfaces, and watering within 48 hours of rain. AB 1572 phases out non-functional turf.
Tree Removal & Heritage Trees
Some RestrictionsSan Leandro requires permits to remove protected and street trees. Private non-protected trees generally do not need permits on residential lots.
Tree Trimming
Some RestrictionsSan Leandro property owners must keep vegetation trimmed back from streets and sidewalks. Street trees are regulated by Public Works; permits needed for city tree work.
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 San Leandro.