Looking for a Phase I ESA in Marco Island, FL? Describe your project once and up to three environmental consultants who work in Marco Island and Collier County get back to you with a quote. It's free and there is no obligation.
Marco Island is home to about 16,554 people (2024 Census Bureau estimate), a growing community (+5.1% since 2020). With 1,362 people per sq mi, it is a suburban area. Commercial sales and loans here routinely require a Phase I, especially for former industrial, gas station and dry cleaning sites.
Marco Island at a glance
- Population (Census Bureau estimate, 2024)
- 16,554 (+5.1% since 2020)
- Rank in Florida
- 140th of 411 cities and towns
- Land area
- 12 sq mi
- Population density
- 1,362 people per sq mi (suburban)
- Type
- City (Marco Island city)
- Main county
- Collier County
What to check before hiring in Marco Island
- Qualifications: the report is signed by an Environmental Professional under the EPA All Appropriate Inquiries rule; some states also license environmental consultants.
- Lender requirements: check whether your lender has its own scope or reliance letter requirements.
- Timing: order early: records requests and the site visit take time.
- Price drivers: property size and history, number of buildings and turnaround.
Useful official resources
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EPA: brownfields
All Appropriate Inquiries and brownfields programs.
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ASTM International
Publisher of the E1527 standard.
Services available in Marco Island
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Phase I Environmental Site Assessment
Records review, site visit and interviews to ASTM E1527 by an Environmental Professional, for a purchase or a loan.
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Phase II Environmental Site Assessment
Soil, groundwater or vapor sampling when a Phase I identifies a recognized environmental condition.
Frequently asked questions in Marco Island
How much does a Phase I ESA cost in Marco Island, FL?
It depends on the size and history of the property and the turnaround. Describe the property: consultants who serve Marco Island send a proposal.
How long does it take?
Often two to three weeks; rush service is usually available.
What if the Phase I finds something?
A Phase II may be recommended to sample soil or groundwater and assess the extent.
Which environmental consultants will contact me?
Up to three independent environmental consultants who serve Marco Island and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.