Pin Down the Exact Location and Public Entity
Municipal property can be owned or controlled by a city, county, district, department, authority, or another public entity. Preserve the exact address, building or park name, photographs, signs, maintenance markings, employee information, incident reports, and correspondence. A small location difference can matter when several public entities operate near the same area.
Do not assume a sidewalk, parking area, plaza, or building belongs to the nearest city merely because it appears public. Keep the facts that identify ownership or control. The correct public entity matters because the claim-presentation requirement applies to the entity responsible for the claim.
Treat Government Code § 911.2 as an Early Procedural Priority
Government Code § 911.2 generally requires a personal-injury claim to be presented to the public entity within six months. That period can run while you are still undergoing surgery, therapy, or diagnostic care. Preserve the injury date and public-entity identity from the beginning instead of waiting for your medical condition to stabilize.
Keep copies of any claim form, acknowledgment, correspondence, rejection notice, or other response you receive. Reporting the incident to an employee, security office, police department, or insurer does not necessarily mean the formal claim-presentation requirement has been satisfied. Preserve every communication so the procedural history remains clear.
Connect the Dangerous Condition to Government Code § 835 Facts
Government Code § 835 contains elements for liability based on a dangerous condition of public property, and possible immunities can apply. Your evidence should focus on the actual condition that caused the injury: an elevation change, broken stair, defective surface, unsafe fixture, visibility problem, or other specific hazard. General complaints that an area was poorly maintained are less useful than precise documentation.
Preserve photographs, witness observations, warnings, barriers, repair markings, complaints or prior reports you actually possess, and any evidence indicating how long the condition existed. Do not invent notice history. If you do not know whether the public entity had notice, keep the physical and documentary evidence that may allow that issue to be investigated.
Document the Medical and Economic Harm While the Claim Process Moves Forward
Keep emergency records, imaging, surgery reports, therapy notes, restrictions, assistive-device records, and future-care recommendations. Public-entity procedure can move faster than medical recovery, so your claim file should continue developing after the initial presentation. Update the record as your condition changes.
Keep wage statements, employer letters, missed schedules, transportation expenses, and evidence of help you need at home. If the injury causes permanent disability or death, preserve long-term medical, earnings, and family relationship evidence while the municipal-property and public-entity issues are evaluated. If the condition was repaired after your injury, preserve any photographs taken before the repair and the date you observed the change. Do not assume that a repair proves prior fault. The value of the evidence is that it helps identify the location and condition you actually encountered while the public-entity claim process and questions about notice, causation, and possible immunities are evaluated.