Cost to Gas Line Installation in St. Louis, MO

$176–$880 in St. Louis

12% below the national average · 0.88x cost multiplier

In St. Louis, a gas line installation runs $176 to $880 on average — about 12% below what homeowners pay nationwide. The Midwest market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.

Cost Breakdown in St. Louis

Line Item	Low	Mid	High
Cost per linear ft	$13	$26	$62
Materials	$70	$176	$528
Labor	$158	$352	$1,056
Permits	$88	$132	$264
Total	$317-12% vs. national avg	$660-12% vs. national avg	$1,848-12% vs. national avg

Budget

Short run (10-15 ft) from existing supply to new appliance (dryer, stove, fireplace), accessible location, black iron pipe.

Mid-Range

25-35 foot run through wall or floor to new appliance, CSST flexible tubing, gas shutoff at appliance, tested and inspected.

Premium

60-100 foot run from meter or main supply, multiple drops for new appliances, outdoor gas line for grill or firepit, bonding and inspection.

Material Options

Material prices below are national averages; availability in St. Louis may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Black Iron Pipe (Schedule 40)	$1-$3 per linear ft materials	Approved everywhere, extremely durable, not affected by bonding requirements, inexpensive material	Rigid - requires precise measurement and threading, more labor-intensive to install around obstacles	Short exposed runs, appliance connections, and jurisdictions with CSST restrictionsApproved everywhere, extremely durable, not affected by bonding requirements, inexpensive material
CSST (Corrugated Stainless Steel Tubing)	$2-$5 per linear ft materials	Flexible, fast installation, fewer fittings needed, runs through walls easily, resistant to movement and vibration	Requires bonding to prevent lightning-induced arcing (required by code in most states), more expensive than black iron materials	New construction and remodeling work where long flexible runs are needed - now the most common residential methodFlexible, fast installation, fewer fittings needed, runs through walls easily, resistant to movement and vibration
Copper (Type K or L)	$3-$8 per linear ft materials	Approved in some jurisdictions, good for LP gas in some applications	Not approved for natural gas in many areas, not permitted underground in most codes, expensive	LP propane applications in specific jurisdictions - check local code before specifyingApproved in some jurisdictions, good for LP gas in some applications
PE Pipe (Underground Only)	$1-$3 per linear ft materials	Required for most underground residential gas runs, flexible, corrosion-resistant	Cannot be used above grade, requires mechanical fittings and transition fittings at building entry	Outdoor underground gas runs to outbuildings, outdoor kitchens, pool heaters, and generatorsRequired for most underground residential gas runs, flexible, corrosion-resistant

Other Projects in St. Louis

Full Kitchen Remodel

Basement Finishing

Roof Replacement (Asphalt Shingles)

Back to national average for Gas Line Installation

St. Louis Estimate

Typical Range

$176–$880

vs. National Average

12% below national

Cost Multiplier

0.88x

Cost Per linear ft

$13–$62

Estimates apply St. Louis's 0.88x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →