Landscaping Rules in San Marcos, CA (2026)
7 verified landscaping rules for San Marcos, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Tree Trimming
San Marcos property owners must trim trees and shrubs that overhang public walkways: vegetation over a sidewalk needs at least 7 feet of vertical clearance, and vegetation over a public street or alley needs 14 feet, under the city's property maintenance code. Overgrown vegetation that blocks sidewalks or driver sightlines is a code enforcement violation.
San Marcos Tree Clearance Over Sidewalks
Some RestrictionsSan Marcos Municipal Code § 10.48.060(e)
Overgrown Vegetation - Overgrown vegetation likely to: harbor rats, vermin and other nuisances dangerous to public health; cause a detriment to neighboring property; contribute to conditions that cause blight and property degradation, or grow into the public right-of-way such that it obstructs the view of drivers on public streets or private driveways, or substantially obstructs the use of a pu...
Tree Removal & Heritage Trees
San Marcos requires a written permit from the Director before anyone trims, destroys or removes a tree, hedge or large shrub on public property or in a public right-of-way, and any tree removed under a permit must be replaced at least one-for-one. The city's tree code covers only public and right-of-way trees, not vegetation on private lots.
San Marcos Public Tree Removal Permit
Significant RestrictionsSan Marcos Municipal Code § 14.20.010
No Person shall trim, break, deface, destroy, burn or remove any tree, hedge, or large shrub growing on any public property or public Right-of-way unless authorized to do so in writing by the Director, and any removed trees shall be replaced to at least a one to one (1:1) ratio, or the cost of such replacement and associated work paid to the City, by the responsible Person, as determined by the...
Weed Ordinances
San Marcos Municipal Code Section 8.64.010 declares weeds, dry grasses, dead shrubs and dead trees a public nuisance whenever they carry windborne seeds or, by their size, growth or location, create a fire hazard to buildings, crops or other property. Cultivated pasture is exempt unless the City Manager orders a firebreak.
San Marcos Weed and Grass Nuisance Rule
Some RestrictionsSan Marcos Municipal Code § 8.64.010(a)-(b)
(a)All weeds, dry grasses, dead shrubs, dead trees, rubbish or any material growing upon the streets, sidewalks or upon private property within the City of San Marcos, which bears seeds of a wingy or downy nature or which by reason of their size, manner of growth and location constitute a fire hazard to any building, improvements, crops or other property, and weeds and grasses which, when dry, ...
Water Restrictions
San Marcos restricts overhead sprinkler irrigation to the hours between 8:00 p.m. and 10:00 a.m. under Municipal Code Section 20.330.080(A)(2), part of the city's Water Efficient Landscape Standards. Where a water purveyor sets stricter hours, the stricter schedule controls.
San Marcos Overhead Irrigation Hours
Some RestrictionsSan Marcos Municipal Code § 20.330.080(A)(2)
2.Overhead irrigation shall be scheduled for between 8:00 p.m. and 10:00 a.m. unless weather conditions prevent it. If allowable hours of irrigation differ from the local water purveyor, the stricter of the two (2) shall apply. Operation of the irrigation system outside of the normal watering window is allowed for auditing and system maintenance.
Rainwater Harvesting
Rainwater harvesting is legal and encouraged in San Marcos under California state law. Residential rain barrels and cisterns do not require a permit for systems up to standard residential sizes. The Vallecitos Water District and San Diego County offer periodic rebate programs for rain barrel installation. Collected water may be used for landscape irrigation but not for potable purposes without treatment.
San Marcos Rainwater Harvesting Rules
Some RestrictionsCal. Water Code §§ 10570-10574 (Rainwater Capture Act of 2012, AB 1750)
PART 2.4. Rainwater Capture Act of 2012 10570. This part shall be known, and may be cited, as the Rainwater Capture Act of 2012. 10571. The Legislature finds and declares all of the following: (a) As California has grown and developed, the amount of stormwater flowing off buildings, parking lots, roads, and other impervious surfaces into surface water streams, flood channels, and storm sewers h...
Native Plants
San Marcos encourages the use of native and drought-tolerant plants through its landscape ordinance and water conservation programs. New construction and major landscape renovations must comply with the California Model Water Efficient Landscape Ordinance (MWELO), which promotes climate-appropriate plant selection. The Vallecitos Water District offers turf replacement rebates for converting lawns to drought-tolerant landscaping.
San Marcos Native Plant and Drought-Tolerant Landscaping
Some RestrictionsCalifornia Model Water Efficient Landscape Ordinance (MWELO), 23 Cal. Code Regs. § 490 et seq.
About 40% of the water Californians use at home is used outdoors. Large water savings can be gained by efficient landscape design, installation, management, and maintenance. This is accomplished by choosing climate adapted plants, improving soil conditions, using, and maintaining high efficiency irrigation equipment and managing the irrigation schedule to fit the plants water needs as they are ...
Composting
San Marcos Municipal Code Section 8.68.020 caps qualifying Community Composting activity at 100 cubic yards and 750 square feet of feedstock and compost on site at any one time, and Section 8.68.520(a) lets residents manage organic waste this way instead of subscribing to full green-container service.
San Marcos Backyard Composting Size Limit
Light RestrictionsSan Marcos Municipal Code §§ 8.68.020, 8.68.520(a)
Community Composting means any activity that composts green material, agricultural material, food material, and vegetative food material, alone or in combination, and the total amount of feedstock and Compost on-site at any one time does not exceed 100 cubic yards and 750 square feet, as specified in 14 CCR Section 17855(a)(4); or, as otherwise defined by 14 CCR Section 18982(a)(8). ... Generat...
Looking for San Diego County county-wide rules?
County ordinances apply to unincorporated areas and may supplement San Marcos city rules.
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