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Unit pricing

San Francisco radon mitigation pricing per system

Radon Mitigation cost per system in San Francisco, California in 2026.

Low

$1,300

Average

$2,450

High

$3,650

San Francisco crews quote about $1,300 – $3,650 per system.

Multiply local unit rates by your real measurements.

What drives radon mitigation prices in San Francisco

Local labor, permitting and climate move San Francisco prices away from the national average.

Labor market

SF is the most expensive labor market on the West Coast; access and parking add to bids.

Permits

SF DBI permits, historic review and neighborhood notification are common on exterior work.

Climate

Fog, damp and hillside conditions favor moisture-resistant assemblies.

San Francisco unit pricing by material

Single-point sub-slab system$1,550 – $2,100
Sub-slab with sealing$2,100 – $2,750
Crawlspace membrane system$2,750 – $3,550
Multi-point system with monitoring$3,550 – $4,950

Ways to lower your San Francisco price

  • Test first with a $20 kit before commissioning a system.
  • Route the pipe on the least visible elevation to skip cosmetic upgrades.
  • Collect three written bids on an identical scope — spreads of 20–40% are normal.
  • Book in the off-season and stay flexible on the start date to save 5–15%.
  • Bundle nearby work into one mobilization so you only pay setup and travel once.
  • Ask what the contractor would change to cut 10% without hurting durability.

San Francisco questions

People also search: radon mitigation cost San Francisco · radon mitigation near me San Francisco · radon mitigation price per system San Francisco · radon mitigation permit cost San Francisco

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