
New gas appliance? Adding an outdoor grill or fire pit? Replacing an aging gas line in an older home? Tim Whistler Plumbing handles all of it across Bethesda with WSSC permits and Montgomery County inspections coordinated as part of the work. Every gas line install is performed by a licensed gas fitter and pressure tested before being put into service.
Three patterns we see most often in Bethesda: older homes (especially in Edgemoor, Maplewood, Wyngate, and Battery Park) with original gas lines that fail pressure tests or need upsizing for new appliances; kitchen remodels that add a gas range or relocate the existing one; and outdoor projects like built-in grills, fire pits, and pool heaters that need new gas runs. Bethesda's higher-end housing also brings frequent generator installations that include gas line work.
We evaluate your existing gas service capacity, plan the new line routing, pull WSSC permits, install the line per code, pressure test the entire run, and coordinate the Montgomery County inspection. The line is put into service only after sign-off.
Single appliance gas line installations in Bethesda typically run $500 to $2,500 depending on the distance from the meter and any wall or floor work required. Outdoor gas line runs for grills and fire pits typically run $1,500 to $4,500. Whole-home generator gas lines often run $2,000 to $5,000. We provide written, itemized quotes.
Often yes, especially homes built before 1970 where the original gas line has corroded or no longer meets current code. We evaluate the existing line during the install assessment and recommend replacement if appropriate.
Yes. Outdoor gas line installation for fire pits, fire tables, and grills is a routine job in Bethesda. The line is sized to your gas service, run to the outdoor location, pressure tested, and terminated at a code-compliant outdoor shutoff with a quick-disconnect fitting.
Call Tim Whistler Plumbing at 1-866-477-6190 for a free written estimate. Licensed gas fitter (WSSC 6119360, VA 2710020030, DC PGM-1002028).