Cost to Basement Waterproofing in New Orleans, LA

$1,936–$10,560 in New Orleans

12% below the national average · 0.88x cost multiplier

Homeowners in New Orleans typically spend $1,936–$10,560 on a basement waterproofing, about 12% below the national average. Labor rates and contractor availability in the Southeast region drive much of the price difference. Permit requirements and material delivery costs also play a role. See the full tier-by-tier breakdown below before requesting bids.

Cost Breakdown in New Orleans

Line Item	Low	Mid	High
Cost per sq ft	$3	$5	$11
Materials	$440	$2,200	$7,040
Labor	$352	$3,080	$8,800
Permits	$0	$264	$440
Total	$792-12% vs. national avg	$5,544-12% vs. national avg	$16,280-12% vs. national avg

Budget

Interior waterproofing paint/sealant on walls, minor crack injection, improved grading around foundation. DIY-friendly exterior fixes.

Mid-Range

Interior French drain system with sump pump, or exterior waterproofing membrane on one wall. Addresses moderate water intrusion.

Premium

Full perimeter interior drainage system, battery backup sump pump, full exterior excavation and membrane on all walls, French drain, and discharge piping.

Material Options

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

Material	Cost/Unit	Pros	Cons	Best For
Waterproofing Paint/Masonry Sealer	$0.50-$2/sq ft applied	Lowest cost, DIY-friendly	Only works on minor dampness, not active water intrusion	Slight wall dampness, minor condensation issuesLowest cost, DIY-friendly
Interior French Drain System	$50-$100/linear ft of perimeter	Effective at managing water, less invasive than exterior	Water still enters foundation, requires ongoing sump pump maintenance	Most common solution for water intrusion in finished or unfinished basementsEffective at managing water, less invasive than exterior
Exterior Waterproofing Membrane	$8,000-$25,000 whole-house	Stops water at the source, most thorough solution	Requires full excavation, most expensive option	Severe water problems, new construction additions, comprehensive permanent fixStops water at the source, most thorough solution
Epoxy/Polyurethane Crack Injection	$100-$500 per crack	Permanently seals individual cracks, targeted fix	Only addresses specific cracks, not widespread seepage	Isolated foundation cracks with water intrusionPermanently seals individual cracks, targeted fix
Drainage Board and Dimple Mat	$2-$5/sq ft installed	Creates a drainage gap between foundation wall and interior space	Must connect to drainage system to be effective	Wall drainage in partially waterproofed basementsCreates a drainage gap between foundation wall and interior space

Other Projects in New Orleans

Roof Replacement (Asphalt Shingles)

Full Bathroom Remodel

Full Kitchen Remodel

Back to national average for Basement Waterproofing

New Orleans Estimate

Typical Range

$1,936–$10,560

vs. National Average

12% below national

Cost Multiplier

0.88x

Cost Per sq ft

$3–$11

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

See national average costs →