Watering rules, rebates, repairs and lighting: plain answers

Seven plain answers for North Bay yards, from Napa’s 10 am to 5 pm watering ban to UC’s rule of never mowing off more than a third of the blade.

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Watering rules by city

Napa doesn’t allow watering from 10 am to 5 pm, and Fairfield asks you to skip noon to 6 pm. Find your own town’s hours, and its rule for the days after rain. Checked Sep 2026.

Lawn and irrigation rebates by city
Napa pays $2 a square foot to trade lawn for low-water planting, and the Solano County Water Agency $1.50. Apply and get approved before the lawn comes out. Checked Sep 2026.
Drip vs sprinklers
Keep the lawn on sprinklers. Beds, trees, pots and narrow side strips do better on drip, each on a valve of its own.
One sprinkler zone not working
If the other zones still run, the fault sits with that zone alone. Two tests by hand tell you whether it’s yours to fix or a job for a tech.
Landscape lighting cost
How many fixtures, the transformer and the cable runs shape a lighting quote. Call to discuss your plans and the next step.
When to aerate and overseed
Aerate in spring. Overseed a fescue lawn here in October, once the September heat has passed, and bermudagrass in late spring.
Premium lawn care plan
A mowing visit mows, edges and blows. A care plan also runs the sprinklers and books the seasonal work.