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San Ramon, CA Property Maintenance: Vacant Lot Maintenance (2026)

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

Key Facts

Nuisance items
Debris, weeds, overgrown or dead vegetation
Owner duty
Owner bears primary responsibility to keep lot clear
Correction window
30 to 90 days after notice of violation
Hearing right
Contest within 10 days under § B6-146
Penalty
Misdemeanor/infraction; each day a separate violation
Unpaid abatement
Cost becomes a lien on the property

Summary

San Ramon declares it a public nuisance for any property, vacant or occupied, to accumulate debris, litter, dirt, overgrown vegetation, dead trees or weeds. Owners bear primary responsibility for keeping land free of these conditions, and the city can issue a notice of violation, administrative fine or abatement order under the Chapter VI property-maintenance nuisance code.

C. It is unlawful for any person or entity to maintain, create, cause, or permit any public nuisance, whether on private or public property. D. The owner of any property within the city has a primary responsibility to keep the property free of any public nuisance. E. It shall be a public nuisance if any of the following activities, uses of property or conditions exist on a property within the city: ... 2. Accumulation of debris, litter, dirt, overgrown vegetation, dead trees or plant materials or weeds. ... 12. Trees, weeds or other vegetation, which by reason of being overgrown, dead, decayed or diseased are: a. Likely to harbor rats, vermin and/or other rodents; or ... c. Overhanging, blocking or obstructing a sidewalk, street, driveway or alley.

Full Breakdown

Municipal Code § B6-131(E) lists 26 conditions the city council has declared public nuisances, including item 2's 'accumulation of debris, litter, dirt, overgrown vegetation, dead trees or plant materials or weeds' and item 12's overgrown, dead, decayed or diseased trees or vegetation that are likely to harbor rats and vermin, pose an injury risk, or overhang or obstruct a sidewalk, street, driveway or alley. Subsection C makes it unlawful for any person or entity to maintain, create, cause or permit a public nuisance on private or public property, and subsection D places primary responsibility on the property owner regardless of whether the lot is occupied.

Enforcement runs through Article 2: the city manager may enter the front yard setback and areas visible from the street to inspect under § B6-142, and issue a notice of violation under § B6-145 describing the condition and giving the owner between thirty and ninety days to voluntarily correct it. An owner may request an administrative hearing to contest the notice within ten days under § B6-146, or the city can proceed with administrative citations and fines under § B6-143, which must be paid within thirty days of issuance.

Unaddressed nuisances can be abated by the city with the cost, plus administrative expenses, assessed against the property as a special assessment or lien under Article 3 of the chapter.

Violations & Fines

Maintaining a public nuisance is a misdemeanor or infraction under § B6-141, with each day the weeds or debris remain constituting a separate violation punishable under Government Code § 36900 or by administrative fine. If the owner does not correct the condition within the notice period or request a hearing, the city can abate the lot itself and bill the cost, plus administrative and legal expenses, as a lien on the property.

Frequently Asked Questions

Are weeds on a vacant lot illegal in San Ramon?
Yes. Municipal Code § B6-131(E)(2) declares the accumulation of debris, litter, dirt, overgrown vegetation, dead trees or weeds a public nuisance on any property in the city, occupied or vacant. Item 12 adds overgrown or dead vegetation likely to harbor rats or obstruct a sidewalk. Owners are responsible for correcting the condition regardless of whether anyone lives on the lot.
How much time do I get to clear my lot before a fine?
The notice of violation issued under § B6-145 must give at least thirty days and no more than ninety days to voluntarily correct the nuisance, unless the city manager finds an emergency requiring faster action. You can request a hearing within ten days of the notice to contest the finding before that clock runs.
Can the city fine me or clean up my lot itself?
Both. Section B6-143 authorizes administrative citations with a fine set by the city's fee resolution, due within thirty days. If the nuisance still is not corrected, § B6-144 lets the city abate it directly and recover its costs, including administrative and legal expenses, as a special assessment or lien against the property.

Sources & Official References

Other rules in San Ramon

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