Gas Line Service in Sonoma & Marin County
Gas work is not a DIY job. CNTRline repairs leaks, runs new lines, and upsizes gas piping for tankless conversions and new appliances across Sonoma and Marin County, all to code by licensed professionals. This hub covers our gas services and the safety points that matter most.
Services
Frequently asked questions
If the smell is strong, leave the building and call your utility from outside first, then call us. Do not flip switches or light anything. For a faint smell near one appliance, shut the appliance valve and call (707) 308-5599.
Usually, yes. Most older North Bay homes have a 1/2 inch line sized for a tank. A tankless can pull 199,900 BTU and needs 3/4 inch pipe, or 1 inch on long runs. We size and upsize the line as part of the conversion.
Yes. New and extended gas lines require a permit and a pressure test witnessed at inspection. We pull the permit and handle the inspection.
Free Homeowner's Guide
The Sonoma & Marin Homeowner’s Plumbing Guide
Spot problems before they flood, find your shutoffs, and see real 2026 cost ranges. A free PDF, straight from a licensed local plumber.
- 5 signs to call before it floods
- Where your three shutoffs are
- Real 2026 cost ranges for the big jobs