Environmental site assessment consultant

Run Phase I site assessments for buyers, lenders and developers, working from a home office and visiting sites.

Startup cost$1.5k to $7.5k
Monthly revenue$2k to $10k
Time needed15+ h/week
First incomeMonths
  • $1.5k-7.5k
  • Part-time
  • From home
  • Licence or permit needed

Estimates for a small start in the US, not guarantees.

Official data

9,696 US businesses with employees in this field, -4.1% in a year

NAICS 541620 “Environmental consulting services”. Source: U.S. Census Bureau, County Business Patterns 2023.

What it is

You research a property's past use, visit the site and write a report on possible contamination, usually a Phase I Environmental Site Assessment for commercial property deals.

Your first three steps

  1. Check the federal qualification rules for an 'environmental professional' and any licensing your state requires
  2. Get a quote for professional liability (errors and omissions) insurance and set up report templates and a records database subscription
  3. Introduce yourself to commercial real estate brokers, lenders and attorneys in your area and offer a competitive first report
Who pays

Commercial real estate buyers, lenders, developers, attorneys and small property investors.

How it makes money

A fixed fee per report, often higher for larger or more complex sites, plus extra fees for rush jobs or follow-up work.

Skills that help
  • Environmental science or related background
  • Clear technical report writing
  • Careful research and attention to detail
Watch out for
  • Professional liability insurance, since reports carry real financial risk for clients
  • State rules on who can sign off on reports, check your state's licensing board
  • Deadlines in property deals, so plan for tight turnaround times
  • Whether your home occupation rules or HOA allow a home office with client contact

Deep research report · US

Everything you need to start: environmental site assessment consultant

Researched with live web search for United States: real startup prices, the licences and rules, what others charge, a break-even example, how to find your first customers and a 30-day launch plan. With sources.

  • Startup costs with real prices
  • Licences, registration and rules
  • Pricing: what others charge
  • Break-even example
  • Finding your first customers
  • 30-day launch plan
  • Risks and how to reduce them
Ready in about 2 minutes · one-off payment, tax included

See a full sample report

Questions people ask

How much does it cost to start an environmental site assessment business?

Estimates suggest startup costs typically around $1,500 to $7,500, depending on your software, insurance and equipment, and what you already have. Professional liability insurance is worth planning for, since reports carry real financial risk for clients.

How much can an environmental site assessment consultant earn?

Monthly revenue is typically estimated at around $2,000 to $10,000, depending on how many assessments you complete, the properties involved and your fees. These are estimates only, and deal timing can make income uneven.

What rules should I check before offering site assessments?

Check your state's licensing board for rules on who can sign off on reports. Also check professional liability insurance, and whether your home occupation rules or HOA allow a home office with client contact. Plan for tight deal deadlines.

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