Cost to Basement Support Column Replacement in Seattle, WA

$1,920–$5,120 in Seattle

28% above the national average · 1.28x cost multiplier

In Seattle, a basement support column replacement runs $1,920 to $5,120 on average — about 28% above what homeowners pay nationwide. The West Coast 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 Seattle

Line Item	Low	Mid	High
Materials	$256	$640	$1,536
Labor	$768	$1,536	$3,200
Permits	$128	$192	$384
Total	$1,152+28% vs. national avg	$2,624+28% vs. national avg	$5,760+28% vs. national avg

Budget

Single adjustable steel lally column replacement, existing footing in good condition

Mid-Range

1-2 column replacements with new concrete footings, structural engineering review

Premium

Multiple column replacements, new footings, beam upgrades, decorative column wraps, engineered plans

Material Options

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

Material	Cost/Unit	Pros	Cons	Best For
Adjustable Steel Lally Column	$50-$150/column	Most common, adjustable height, affordable, proven reliability	Industrial appearance, may rust if exposed to moisture	Unfinished basements, standard replacementsMost common, adjustable height, affordable, proven reliability
Permanent Steel Column (Concrete-Filled)	$100-$250/column	Stronger than adjustable, no moving parts, permanent solution	Cannot be adjusted after installation, more expensive	Permanent installations, higher load requirementsStronger than adjustable, no moving parts, permanent solution
Structural Wood Post (6x6 or larger)	$75-$200/column	Easy to work with, can be stained or painted, traditional look	Susceptible to moisture damage, insects, not as strong as steel	Finished basements where appearance matters, lower loadsEasy to work with, can be stained or painted, traditional look
Decorative Column Wrap (over steel)	$150-$500/column	Hides the steel column, matches finished basement aesthetics, various styles	Additional cost, doesn't add structural value, adds column diameter	Finished basements, columns in living spacesHides the steel column, matches finished basement aesthetics, various styles

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Back to national average for Basement Support Column Replacement

Seattle Estimate

Typical Range

$1,920–$5,120

vs. National Average

28% above national

Cost Multiplier

1.28x

Estimates apply Seattle's 1.28x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →