Looking for a Phase I ESA in Port Isabel, TX? Describe your project once and up to three environmental consultants who work in Port Isabel and Cameron County get back to you with a quote. It's free and there is no obligation.
Port Isabel is home to about 5,210 people (2024 Census Bureau estimate), a growing community (+3.7% since 2020). With 768 people per sq mi, it is a semi-rural area. Commercial sales and loans here routinely require a Phase I, especially for former industrial, gas station and dry cleaning sites.
Port Isabel at a glance
- Population (Census Bureau estimate, 2024)
- 5,210 (+3.7% since 2020)
- Rank in Texas
- 376th of 1,224 cities and towns
- Land area
- 6.8 sq mi
- Population density
- 768 people per sq mi (semi-rural)
- Type
- City (Port Isabel city)
- Main county
- Cameron County
What to check before hiring in Port Isabel
- 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 Port Isabel
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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 Port Isabel
How much does a Phase I ESA cost in Port Isabel, TX?
It depends on the size and history of the property and the turnaround. Describe the property: consultants who serve Port Isabel 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 Port Isabel 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.