Mold Remediation cost in Portland, OR
Portland, OR · updated August 2026
$5,600
Typical local cost
$1,900 – $18,600
Typical range
- per sq ft of affected area
- $15 – $43.50
- Permit
- It depends
- Typical timeline
- 3-10 days of work
Installed, local pricing
$0 – $385 in fees
3-10 days of work
Portland runs +24% against the U.S. average · data confidence Medium · modeled estimate, not a quote
The modeled midpoint for Portland is $5,600. The local adjustment for this trade is x1.242 — driven mainly by Multnomah County labor rates and 30% exposure to local code requirements.
Estimate your Portland 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
Priced for Portland (local adjustment x1.242).
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.
| Project size | Estimated range |
|---|---|
| 125 sq ft of affected area | $1,900 – $5,400 |
| 150 sq ft of affected area | $2,300 – $6,500 |
| 200 sq ft of affected area | $3,000 – $8,700 |
| 250 sq ft of affected area | $3,800 – $10,900 |
| 325 sq ft of affected area | $4,900 – $14,100 |
Based on Portland pricing of $15–$44 per sq ft of affected area.
Where the money goes
- Labor
- $4,200
- 72% of median
- Materials
- $1,400
- 24% of median
- Permit & fees
- $195
- 3% of median
Portland project costs+24% vs U.S. average
Based on Multnomah 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.
01
Planning & quotes
Scope, material choice, contractor selection
02
Permit application
Filed with City of Portland building department
03
Materials & staging
Order lead time on non-stock materials
04
Installation
3-10 days of work
05
Inspection
Post-remediation verification testing, Building inspection if structural repairs follow
06
Closeout
Final sign-off, warranty and documentation
Portland labor intelligence
What the trade charges here, and how much of your price it is.
Loaded hourly rate
$78–$101
Restoration crews in Multnomah County · +23% vs U.S. ($72/hr)
Typical crew
2 × 3 days
On-site time for a typical mold job here.
Labor in the price
$4,200
75% of the median — the rest is material, disposal and permit.
Because labor is 75% of this job, Portland 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 Multnomah County labor factor (x1.234). · BLS Occupational Employment and Wage Statistics, Hometriva methodology
Why Portland differs from the national average
The local delta, broken into dollars by driver.
Trade labor rates+$800
Multnomah County crews price 23% above the national average, and labor is 75% of this job.
Code and inspection load+$150
Mold Remediation carries 30% exposure to local code requirements, and this jurisdiction's review load indexes at x1.11.
Material and delivery+$125
Materials are nationally traded, so they move less — but delivery into this market runs 11% over baseline.
Permit fees+$50
Fees are paid to the jurisdiction, not the contractor, and are budgeted separately from the contract price.
Basis: Decomposition of the modeled Portland median against the U.S. median for this scope. · City of Portland building department, Hometriva methodology
Portland vs Oregon vs the U.S.
Change the inputs, see your number
The same local model, run against your job instead of the average one.
Simulated mold remediation in Portland
$5,795
Likely range $2,095 – $18,795
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.
| Discipline | Issuing authority |
|---|---|
| building | City of Portland building departmentModeled estimate |
| electrical | City of Portland building departmentModeled estimate |
| mechanical | City of Portland building departmentModeled estimate |
| plumbing | City of Portland building departmentModeled estimate |
| zoning | City of Portland building departmentModeled estimate |
| fire | City of Portland building departmentModeled estimate |
Permit requirement in Portland
It depends on scope. Like-for-like cosmetic work in Portland is often exempt, but a permit is required as soon as you change structure, plumbing, electrical or the building envelope.
- Permitting authority
- City of Portland building departmentModeled estimate
- Permit fee
- Estimated allowance $0–$385Modeled from comparable fee schedules — not an official quoted fee.
Inspections
- Post-remediation verification testing
- Building inspection if structural repairs follow
Local conditions that change this job
Only the exposures that materially affect mold remediation.
Humidity
High70/100
Flood zone exposure
Moderate40/100
Annual rainfall
High78/100
Nearby market comparison
+ Had mold remediation done in Portland? Add what you paid or were quoted
Reports are reviewed before they count, and nothing is published until at least 5 reports exist for a market. No name, email or address is collected.
How Hometriva estimates Portland mold costs
Hometriva does not publish invented city prices. The Portland estimate for mold remediation is produced by this chain, and every input is stored separately:
- National baseline$4,500
Typical U.S. cost for mold remediation on a single-family home.
- Local labor factorx1.234
Portland-area trade labor rates, weighted at 75% of this job.
- Material factorx1.109
Material and delivery pricing into Multnomah County, weighted at 25%.
- Regulatory factorx1.108
Local code, product-approval and inspection load, applied at 30% for this project type.
- Applied multiplierx1.242
Blended Portland adjustment specific to mold remediation.
- Permit component$0 – $385
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 Portland 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 Portland, OR.
- • 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
How long does mold remediation take?
3-10 days of work. Permit review and inspection scheduling are usually the largest source of variation.
What changes the price the most?
The largest cost drivers are affected square footage and number of rooms; hvac system contamination; containment and negative air equipment.
Sources
Sources & verification
- City of Portland building department
- Portland permit portal
- Oregon Building Codes Division
- BLS Occupational Employment and Wage Statistics
Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.