Gas Line From Attic To Kitchen

Material cost includes dump fee.
Gas line from attic to kitchen. My house currently has a gas water heater 15 ft from kitchen and a gas furnace in the attic. I found out the contractor failed to pull a permit so i spent an extra 150 plus a giant pain in my a to get a permit and inspection. Cost to install gas line for kitchen stove. Our gas meter is located in our back yard and is easily accessible.
Cap line and leak test remaining supply system. The drops going to the appliances cooktop water heater furnance are 1 2 diameter. Virtually all state and local code authorities permit its use and many contractors are finally embracing it. Remove gas line shutoff gas supply.
I would now like to run a gas line into our kitchen so that i may add a gas range. The average cost to install a gas line for a kitchen stove is 15 to 25 per linear foot. Can anyone give me an estimate on the cost to do this. A flexible gas line is an ingenious method of supplying natural gas to fireplaces furnaces cooktops clothes dryers and any other gas appliance.
Modifications to building structure and any required surface restoration are not included. The range would back up to an interior wall. This project cost a lot more and was a much bigger hassle than i anticipated. Total costs range from 200 to 1 000 or more depending on the length of piping needed to connect to the main gas supply which typically averages 30.
What are the code requirments for extending a gas line in the attic space from an existing house into a new addition.