Mold Remediation cost in San Francisco, CA

San Francisco, CA · updated August 2026

$6,800

Typical local cost

$2,300 – $22,600

Typical range

per sq ft of affected area
$18 – $52.50

Installed, local pricing

Permit
It depends

$0 – $470 in fees

Typical timeline
3-10 days of work

3-10 days of work

Calculate my mold cost

San Francisco runs +50% against the U.S. average · data confidence Medium · modeled estimate, not a quote

Most San Francisco homeowners pay around $6,800. The local adjustment for this trade is x1.505 — driven mainly by San Francisco County labor rates and 30% exposure to local code requirements.

Estimate your San Francisco job

Priced with this market's cost index, so the calculator, the size table and the ranges on this page all agree.

Square footage

180 sq ft

With waste allowance
198 sq ft
Square yards
20
Perimeter (per area)
54 ft
Square meters
16.72

Estimates only. Local pricing, site conditions and code requirements change the real number.

Cost by project size

Generated from the same unit pricing the calculator uses.

Estimated cost by project size
Project sizeEstimated range
125 sq ft of affected area$2,300$6,600
150 sq ft of affected area$2,700$7,900
200 sq ft of affected area$3,600$10,500
250 sq ft of affected area$4,500$13,100
325 sq ft of affected area$5,900$17,100

Based on San Francisco pricing of $18–$53 per sq ft of affected area.

Where the money goes

Labor
$5,100
72% of median
Materials
$1,700
24% of median
Permit & fees
$235
3% of median

San Francisco project costs+50% vs U.S. average

Based on San Francisco County labor rates, local material logistics and permit-fee posture for this trade.

What the project looks like start to finish

Typical sequence for this scope. Timing varies with contractor backlog and plan-review queues.

  1. 01

    Planning & quotes

    Scope, material choice, contractor selection

  2. 02

    Permit application

    Filed with City of San Francisco building department

  3. 03

    Materials & staging

    Order lead time on non-stock materials

  4. 04

    Installation

    3-10 days of work

  5. 05

    Inspection

    Post-remediation verification testing, Building inspection if structural repairs follow

  6. 06

    Closeout

    Final sign-off, warranty and documentation

San Francisco labor intelligence

What the trade charges here, and how much of your price it is.

Loaded hourly rate

$94–$122

Restoration crews in San Francisco County · +48% vs U.S. ($72/hr)

Typical crew

2 × 3 days

On-site time for a typical mold job here.

Labor in the price

$5,100

75% of the median — the rest is material, disposal and permit.

Because labor is 75% of this job, San Francisco wage levels move the price far more than material prices do. A quote well under this labor figure usually means a smaller crew, a longer schedule, or unlicensed help.

Basis: Hometriva labor model: national restoration crew rates adjusted by the San Francisco County labor factor (x1.481). · BLS Occupational Employment and Wage Statistics, Hometriva methodology

Why San Francisco differs from the national average

The local delta, broken into dollars by driver.

Trade labor rates$1,625Code and inspection load$275Material and delivery$250Permit fees$75
Dollars of the San Francisco difference owned by each driver, versus the U.S. median for mold remediation.
  • Trade labor rates+$1,625

    San Francisco County crews price 48% above the national average, and labor is 75% of this job.

  • Code and inspection load+$275

    Mold Remediation carries 30% exposure to local code requirements, and this jurisdiction's review load indexes at x1.21.

  • Material and delivery+$250

    Materials are nationally traded, so they move less — but delivery into this market runs 22% over baseline.

  • Permit fees+$75

    Fees are paid to the jurisdiction, not the contractor, and are budgeted separately from the contract price.

Basis: Decomposition of the modeled San Francisco median against the U.S. median for this scope. · City of San Francisco building department, Hometriva methodology

San Francisco vs California vs the U.S.

San Francisco$2,300$22,600California average$2,100$21,300U.S. average$1,500$15,000
Modeled ranges for mold remediation. The tick marks the median in each geography.

Change the inputs, see your number

The same local model, run against your job instead of the average one.

Simulated mold remediation in San Francisco

$7,035

Likely range $2,535$22,835

Simulated from the same local model as the numbers above — it changes the inputs, not the pricing method.

What makes the number move

  • Affected square footage and number of rooms
  • HVAC system contamination
  • Containment and negative air equipment
  • Demolition and reconstruction of affected assemblies
  • Independent clearance testing

Who issues each permit

Tracked per discipline — the building permit issuer is not always the body that reviews electrical, plumbing, zoning or fire.

Permitting authority by discipline
DisciplineIssuing authority
buildingCity of San Francisco building departmentModeled estimate
electricalCity of San Francisco building departmentModeled estimate
mechanicalCity of San Francisco building departmentModeled estimate
plumbingCity of San Francisco building departmentModeled estimate
zoningCity of San Francisco building departmentModeled estimate
fireCity of San Francisco building departmentModeled estimate

Permit requirement in San Francisco

It depends on scope. Like-for-like cosmetic work in San Francisco is often exempt, but a permit is required as soon as you change structure, plumbing, electrical or the building envelope.

Permitting authority
City of San Francisco building departmentModeled estimate
Permit fee
Estimated allowance $0$470Modeled from comparable fee schedules — not an official quoted fee.

Inspections

  1. Post-remediation verification testing
  2. Building inspection if structural repairs follow
Full San Francisco permit guide for mold remediation

Local conditions that change this job

Only the exposures that materially affect mold remediation.

Humidity

Severe84/100

Flood zone exposure

Moderate50/100

Annual rainfall

High74/100

San Francisco sits in San Francisco County, California. Seismic bracing, energy-code (Title 24) compliance and coastal exposure all factor into permit scope and material selection. Work outside city limits is permitted by the county building department rather than the city.

Nearby market comparison

MarketLocal factorMedianPer sq ft of affected area
San Francisco (this page)x1.505$6,800$18$52.50
Long Beachx1.475$6,600$17.50$51.50
Oaklandx1.475$6,600$17.50$51.50
Bakersfieldx1.475$6,600$17.50$51.50

What San Francisco homeowners actually paid

Real reported invoices from this market, aggregated. Add yours — it takes 20 seconds and no personal details.

No name, email or address is collected. Reports are reviewed before they count.

Quotes homeowners were given in San Francisco

Quotes run ahead of final invoices. Reporting yours shows the local spread and where there is room to negotiate.

No name, email or address is collected.

How Hometriva estimates San Francisco mold costs

Hometriva does not publish invented city prices. The San Francisco estimate for mold remediation is produced by this chain, and every input is stored separately:

  1. National baseline$4,500

    Typical U.S. cost for mold remediation on a single-family home.

  2. Local labor factorx1.481

    San Francisco-area trade labor rates, weighted at 75% of this job.

  3. Material factorx1.222

    Material and delivery pricing into San Francisco County, weighted at 25%.

  4. Regulatory factorx1.208

    Local code, product-approval and inspection load, applied at 30% for this project type.

  5. Applied multiplierx1.505

    Blended San Francisco adjustment specific to mold remediation.

  6. Permit component$0 – $470

    Budgeted separately from the contract price because it is paid to the jurisdiction.

Because labor, material and regulatory factors are weighted per project, mold remediation in San Francisco carries a different local adjustment than other trades in the same market.

Reviewed by

Hometriva Cost Data Desk

Maintains the unit-cost baselines, local adjustment factors and material pricing. Reviewed for mold remediation pricing in San Francisco, CA.

  • National unit-cost baselines against current trade pricing
  • Local labor and materials factors for the market
  • Material installed-cost ranges and service life

Last reviewed August 2026 · Editorial standards · Report an error

Frequently asked questions

Does Florida license mold remediation?

Yes. Florida requires separate licenses for mold assessors and mold remediators, and with limited exceptions the same company cannot both assess and remediate the same property — which protects you from inflated scope.

Sources

Sources & verification

Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.

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