Big Island Phase I Environmental Site Assessments
Protect your Big Island real estate transaction with lender-compliant Phase I Environmental Site Assessments delivered efficiently and accurately.
- ASTM-compliant reports
- Fast turnaround times
- Local Hawaii expertise
- 20 Years Combined Experience
Before You Buy, Refinance, or Develop—Know the Environmental Risks
Big Island’s environmental landscape has been shaped by decades of plantation agriculture, fuel storage, industrial activity, and ongoing commercial development. From former agricultural lands and fuel facilities to industrial and mixed-use properties, even seemingly low-risk sites may present environmental concerns that can affect financing, redevelopment, or liability exposure.
Backed by over 20 years of combined environmental consulting experience, including expert third-party technical review, we identify Recognized Environmental Conditions (RECs) efficiently and accurately—helping buyers, lenders, and property owners satisfy ASTM and lender due diligence requirements with confidence.
Our Hawaii Island ESA Process
1
Desktop Review
We analyze historical aerial imagery, Sanborn maps, and topographical maps dating back to the 1900s.
2
Site Reconnaissance
On-site inspection to identify tanks, chemical storage, staining, or other indicators of environmental concern.
3
Regulatory Review
Cross-referencing EPA and Hawaiʻi Department of Health databases for spills, violations, or listings.
4
Final Report
A lender-ready Phase I ESA delivered in as little as 5 business days.
Big Island Property History Matters
Hawaiʻi Island presents a distinct environmental due diligence profile compared to the other major Hawaiian Islands. As the largest island in the state, its land use history includes extensive plantation agriculture, ranching operations, fuel storage, industrial activity, military land use, and ongoing commercial development. These historical and current land uses can create environmental considerations that affect commercial real estate transactions.
A Phase I Environmental Site Assessment (ESA) on the Big Island focuses on evaluating historical property use, surrounding land use, and regulatory environmental records to identify potential Recognized Environmental Conditions (RECs). From former agricultural lands to industrial facilities and fuel-related operations, even properties that appear low risk may warrant careful environmental review.
Early Agriculture and Ranching (1800s–Early 1900s)
Following Western contact, Hawaiʻi Island developed a strong agricultural and ranching economy. One of the most notable early land uses was cattle ranching, including the establishment of Parker Ranch in 1847, which became one of the largest ranching operations in the United States.
Sugar plantations also expanded throughout regions such as Hilo and the Hamakua Coast, supported by mills, irrigation systems, transportation infrastructure, and worker facilities. Coffee cultivation later became a defining industry in the Kona region, followed by macadamia nut farming and diversified agriculture.
Historical agricultural operations can be relevant during a Phase I ESA due to the potential for long-term pesticide and herbicide application, fuel storage, maintenance activities, and associated infrastructure.
Plantation Agriculture and Industrial Scale Operations (Late 1800s–2016)
Maui’s environmental history is heavily influenced by plantation agriculture, which operated on a larger and longer scale here than on most other islands. Sugarcane cultivation expanded rapidly in the late 19th century, supported by irrigation systems that diverted water from East Maui to Central Maui fields.
By the early 1900s, plantation operations had become highly industrialized. Processing mills, transportation systems, and support infrastructure were developed to sustain large-scale production. Pineapple cultivation also played a significant role, particularly in areas such as Haliʻimaile and Makawao.
One of the most important historical markers for Maui is the continued operation of sugar production into the 21st century. Hawaiian Commercial & Sugar Company (HC&S) remained active until 2016, making it one of the last large-scale sugar operations in Hawaii.
This extended timeline is critical for environmental due diligence. Many properties across Central Maui—including Kahului, Puʻunēnē, and surrounding areas—have a relatively recent history of intensive agricultural use compared to other islands.
Plantation and Industrial Land Use (Late 1800s–1990s)
Sugar production played a major role in Hawaiʻi Island’s economy for more than a century. Plantation operations often included processing facilities, equipment maintenance areas, rail infrastructure, chemical storage, and fuel handling associated with large-scale agricultural operations.
As the sugar industry declined through the late 20th century, many former plantation properties were redeveloped, repurposed, or left vacant. Historical industrial use associated with these operations can remain relevant in environmental due diligence, particularly where former support infrastructure may have involved hazardous materials or petroleum products.
Because Phase I ESAs evaluate both the subject property and surrounding historical land use, these legacy operations remain an important consideration.
Hilo and Kailua-Kona Commercial Development
Although much of Hawaiʻi Island remains rural, commercial and industrial activity is concentrated in major population centers such as Hilo and Kailua-Kona.
Hilo has historically supported port operations, warehousing, agricultural processing, fuel storage, and industrial activity. Kailua-Kona has experienced substantial commercial growth tied to tourism, retail development, hospitality, and supporting service infrastructure.
Commercial and industrial properties in these areas may present environmental concerns related to historical fuel storage, automotive operations, maintenance activities, warehousing, and other business uses commonly evaluated during a Phase I ESA.
Military and Federal Land Use
Hawaiʻi Island also includes significant military and federal land holdings, including the Pōhakuloa Training Area established during World War II.
While most commercial properties are not located within military installations, nearby historical military activity may be relevant depending on property location and historical land use patterns. Environmental due diligence may consider surrounding uses where historical operations could represent a potential source of contamination.
Large Rural Parcels and Historical Land Use Challenges
A unique characteristic of Hawaiʻi Island is the prevalence of large rural parcels, agricultural land, and areas with limited historical development records compared to more urbanized islands.
These properties may involve broader historical land use questions, including former agricultural activity, fuel storage, equipment maintenance, or neighboring operations that are not immediately apparent from current site conditions. In some cases, environmental due diligence requires a broader review of surrounding land use history to fully evaluate potential environmental concerns.
Environmental Considerations Unique to Hawaiʻi Island
Environmental risk on Hawaiʻi Island is often shaped by its agricultural legacy, industrial corridors, fuel-related operations, military land use, and evolving commercial development patterns.
Unlike heavily urban redevelopment markets where risk is often tied to dense historical commercial use, Big Island properties may involve legacy agricultural operations, rural infrastructure, industrial support facilities, or mixed historical land uses that require careful environmental review.
A properly performed Phase I ESA helps identify these potential environmental risks early, supporting informed real estate decisions and lender due diligence compliance.
Next Steps for Your Phase I ESA:
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