DIY Ground Rack

[eugenek]

Here in the "wild west" zoned AG, no permits or inspections are needed for anything short of a building, but
documentation might be useful some day. Bruce Roe

Here (San Diego County, CA) building a four foot high retaining wall with no live load on top requires a permit and no fewer than 4 inspections (at least according to the letter of regulations). OP says "Central California" so I suspect he's closer to me than to the Wild West.