What the first inspection should cover on a coastal home
A good visit starts low. On a lot of San Diego housing the crawlspace is the story, so expect someone to open the access hatch, go under with a light, and come back describing what they saw rather than what they assume. Under there, the evidence is easy to read once you know it: flattened paths in the vapor barrier, torn duct insulation, rub marks on piers, and a latrine spot used again and again. The same trip should map every foundation vent, the gap where deck skirting meets grade, and any hole a utility line left behind. The roof still gets checked, because raccoons will use both levels of a house. Vents, the edge of a tile field and any gap at a fascia return all matter. What you should receive afterward is a written list of openings, a proposed sequence, and a plain answer about young. In April or May that answer is the most important sentence in the document, and it should say how they will confirm a litter is or is not present before anything gets closed.
How San Diego weather shapes the raccoon year
There is no winter shutdown here, and that single fact changes the strategy. In colder states a homeowner gets a quiet stretch to make repairs. With San Diego winter lows averaging 49F and summers topping out near 76F, an animal has no reason to change its habits much between January and July. What does change is water. In a city getting roughly 10 inches of rain a year, the dry months concentrate wildlife around whatever stays wet, which is almost always somebody's irrigation, pond or pool. Activity in a yard often has more to do with your sprinkler schedule than with anything wild nearby. Spring adds young. UC IPM puts births in April and May with litters of three to six, so noise levels rise sharply and dens become fixed rather than casual. Late summer through fall brings dispersal, when juveniles test new spaces and previously untouched homes get their first visitor. The practical takeaway is that repair work is worth doing in any month, and doing it before spring saves the most trouble.
Exclusion that holds up against a 30 pound animal
Most failed raccoon jobs failed at the fastener, not the plan. UC IPM notes adults ranging from 7 to 30 pounds, and a heavy raccoon can hook its fingers into an edge and pull with its whole body weight. That rules out several things people try first. Plastic vent covers, window screen, chicken wire and foam are all defeated in a night. What works is galvanized hardware cloth in a heavy gauge, screwed with washers into sound framing, with the edges lapped rather than butted. Ground level work needs an extra step. Around decks and porch skirting, mesh should go into a shallow trench and turn outward in an L so digging under it hits more mesh. Just stapling a panel to the skirting leaves the easiest possible entry. One more detail that catches people on the coast: salt air and damp underfloor spaces eat cheap fasteners. Stainless or galvanized hardware costs slightly more and is the difference between a repair that lasts a decade and one you redo in three years.
Renting, owning, and who fixes what
Raccoons in a building are almost always an owner's problem, since every real fix involves the structure: foundation vents, subfloor access, deck framing, roof penetrations and ducting. A tenant cannot solve any of those and should not be under the house trying. What renters can do is document. Write down the first night you heard it, where in the house it came from, and what time. Photograph any torn vent from outside. That record is worth a lot when a job stretches across weeks because a litter is involved. Owners get the better deal by moving early. Screening vents and skirting before spring is inexpensive compared with replacing shredded ducting, insulation and a fouled vapor barrier afterward, and in a market where San Diego homes carry median values near 880,000 dollars, deferred crawlspace damage is not a small line item. For multi unit buildings, look at the site rather than the unit. Shared bin areas, a single open crawl vent and one leaking irrigation valve will generate calls from several tenants until someone addresses the source.
When a raccoon situation becomes urgent
Most of these problems are annoying rather than dangerous, but a few situations should move to the front of the queue. Any bite or scratch is one. Wash it, call a doctor the same day, and report the animal to county animal services, since an animal involved in an exposure is tested rather than turned loose. A pet that has tangled with a raccoon needs a veterinarian and a check that its rabies shot is current, even where the raccoon strain is absent. A raccoon out in the open in daylight, moving oddly or showing no fear of people, is worth reporting rather than approaching or feeding. Sick animals are unpredictable, and a healthy one crossing a yard at noon is not the same picture. The third situation is a smell. If something has died in a wall or crawlspace after a sealing job, that needs opening up and removing, not covering. And if you find a latrine, keep children and pets away from it and leave the cleanup to people with respirators, because the eggs in that material are the one genuinely serious health issue this animal leaves behind.