Salt, Sand, and High Tides: A Capistrano Beach Homeowner's Checklist

If you live in Capistrano Beach you have watched your own shoreline make the news for years: the boardwalk sections that crumbled into the surf, the basketball court and restrooms demolished before the ocean could finish the job, high tides overtopping the parking lot, crews with sandbags after every big swell. The county's beach erosion problem is well documented and much photographed.

Source The local Patch has covered it winter after winter: Beach Erosion Woes Continue At Capistrano, Doheny Beach.

Here is the thing I want Capo Beach homeowners to take from that coverage: the same forces dismantling the boardwalk are working on your house, just slower and without the press. Salt air does not stop at the sand. It rides the marine layer up every street west of Camino Capistrano and goes to work on every piece of exposed metal you own, and a startling amount of your plumbing is exposed metal. I wrote about how water loads slopes in last month's post; this one is about what the ocean does to the hardware itself.

The coastal corrosion checklist

Buying and installing for the beach

When we replace equipment on the Dana Point coast, the spec changes. Water heaters in exterior closets get the corrosion conversation up front: expect the shorter end of the lifespan range, budget from year eight, and flush annually because you are fighting on two fronts, minerals inside and salt outside. Fasteners, straps, and hangers should be chosen for salt exposure. None of this is exotic or expensive at install time. All of it is expensive to learn from a failure.

The ocean is patient and it is winning the argument with the boardwalk. On your own property, though, the contest is winnable: metal it can reach gets inspected twice a year, metal it has beaten gets replaced before it fails, and the emergency number stays something you never need. That is the whole strategy, and a Saturday morning twice a year runs it.

While you are out there with the flashlight, do one more thing: teach someone else in the house where the main shut-off is and how it turns. Coastal emergencies have a way of happening when the handy member of the household is not home, and a supply line that lets go at a corroded fitting does not wait politely. I have stood in more than one flooded Capo Beach kitchen where the water ran for an hour because nobody home knew the valve existed. Five minutes of show-and-tell beats every gadget on the market. And if the valve itself is too corroded to trust, that is precisely the kind of small preventive job worth booking on an ordinary weekday instead of discovering on a holiday.