Mold Remediation cost in Cambridge, MA
Cambridge, MA · updated August 2026
$6,000
Typical local cost
$2,000 – $20,000
Typical range
- per sq ft of affected area
- $16 – $46.50
- Permit
- It depends
- Typical timeline
- 3-10 days of work
Installed, local pricing
$0 – $360 in fees
3-10 days of work
Cambridge runs +33% against the U.S. average · data confidence Medium · modeled estimate, not a quote
Most Cambridge homeowners pay around $6,000. The local adjustment for this trade is x1.333 — driven mainly by Middlesex County labor rates and 30% exposure to local code requirements.
Estimate your Cambridge 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.
| Project size | Estimated range |
|---|---|
| 125 sq ft of affected area | $2,000 – $5,800 |
| 150 sq ft of affected area | $2,400 – $7,000 |
| 200 sq ft of affected area | $3,200 – $9,300 |
| 250 sq ft of affected area | $4,000 – $11,600 |
| 325 sq ft of affected area | $5,200 – $15,100 |
Based on Cambridge pricing of $16–$47 per sq ft of affected area.
Where the money goes
- Labor
- $4,500
- 73% of median
- Materials
- $1,500
- 24% of median
- Permit & fees
- $180
- 3% of median
Cambridge project costs+33% vs U.S. average
Based on Middlesex 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 Cambridge 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
Cambridge labor intelligence
What the trade charges here, and how much of your price it is.
Loaded hourly rate
$85–$110
Restoration crews in Middlesex County · +34% vs U.S. ($72/hr)
Typical crew
2 × 3 days
On-site time for a typical mold job here.
Labor in the price
$4,500
75% of the median — the rest is material, disposal and permit.
Because labor is 75% of this job, Cambridge 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 Middlesex County labor factor (x1.338). · BLS Occupational Employment and Wage Statistics, Hometriva methodology
Why Cambridge differs from the national average
The local delta, broken into dollars by driver.
Trade labor rates+$1,150
Middlesex County crews price 34% above the national average, and labor is 75% of this job.
Material and delivery+$175
Materials are nationally traded, so they move less — but delivery into this market runs 16% over baseline.
Code and inspection load+$125
Mold Remediation carries 30% exposure to local code requirements, and this jurisdiction's review load indexes at x1.10.
Permit fees+$25
Fees are paid to the jurisdiction, not the contractor, and are budgeted separately from the contract price.
Basis: Decomposition of the modeled Cambridge median against the U.S. median for this scope. · City of Cambridge building department, Hometriva methodology
Cambridge vs Massachusetts 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 Cambridge
$6,180
Likely range $2,180 – $20,180
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 Cambridge building departmentModeled estimate |
| electrical | City of Cambridge building departmentModeled estimate |
| mechanical | City of Cambridge building departmentModeled estimate |
| plumbing | City of Cambridge building departmentModeled estimate |
| zoning | City of Cambridge building departmentModeled estimate |
| fire | City of Cambridge building departmentModeled estimate |
Permit requirement in Cambridge
It depends on scope. Like-for-like cosmetic work in Cambridge is often exempt, but a permit is required as soon as you change structure, plumbing, electrical or the building envelope.
- Permitting authority
- City of Cambridge building departmentModeled estimate
- Permit fee
- Estimated allowance $0–$360Modeled 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
Severe84/100
Flood zone exposure
Moderate50/100
Annual rainfall
High74/100
Cambridge sits in Middlesex County, Massachusetts. Deep frost lines, snow load and a very old housing stock mean permits frequently touch structural, electrical and energy-code upgrades at once. Work outside city limits is permitted by the county building department rather than the city.
Nearby market comparison
| Market | Local factor | Median | Per sq ft of affected area |
|---|---|---|---|
| Cambridge (this page) | x1.333 | $6,000 | $16 – $46.50 |
| Worcester | x1.359 | $6,100 | $16.50 – $47.50 |
| Springfield | x1.359 | $6,100 | $16.50 – $47.50 |
| Lowell | x1.333 | $6,000 | $16 – $46.50 |
What Cambridge homeowners actually paid
Real reported invoices from this market, aggregated. Add yours — it takes 20 seconds and no personal details.
Quotes homeowners were given in Cambridge
Quotes run ahead of final invoices. Reporting yours shows the local spread and where there is room to negotiate.
How Hometriva estimates Cambridge mold costs
Hometriva does not publish invented city prices. The Cambridge 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 factorx1.338
Cambridge-area trade labor rates, weighted at 75% of this job.
- Material factorx1.161
Material and delivery pricing into Middlesex County, weighted at 25%.
- Regulatory factorx1.100
Local code, product-approval and inspection load, applied at 30% for this project type.
- Applied multiplierx1.333
Blended Cambridge adjustment specific to mold remediation.
- Permit component$0 – $360
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 Cambridge 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 Cambridge, MA.
- • 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
- Massachusetts Board of Building Regulations and Standards
- BLS Occupational Employment and Wage Statistics
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.