When a sewer problem starts, the guesses start with it. It might be roots, a break, or the city's side. Every guess points at a different job, and in La Mesa's older neighborhoods, where clay lines have been underground for decades, those jobs are nowhere near the same size. The way to stop guessing is to look.
A sewer camera inspection sends a small camera down the line from your cleanout, the capped pipe outside that opens into your sewer line, toward the street, with live video for as far as the pipe lets it go. Roots reaching in at the joints show up on screen. So does the grease, the food and sludge that settles with it, the scale, meaning the mineral buildup that narrows a pipe, a low spot where water sits, a crack, an offset where two sections have shifted, or a line that's in fine shape and just needed clearing. You can watch it live, so you see the problem yourself instead of taking somebody's word for it.
It matters most at the big moments, before you approve a big repair, before you buy an older La Mesa house with an original line, and before you accept recurring backups as normal. A short look on video answers what you'd otherwise wonder about for years, and every choice that follows is yours to make with the evidence in hand.