🌎 Phase I vs. Phase II ESA: What CRE Buyers Must Know 🏢
Bill Rapp, CRE BrokerPublished on: 06/11/2026
Phase I vs. Phase II ESA: What Commercial Real Estate Buyers Must Know Imagine purchasing a $3 million commercial property, only to discover six months later that an underground storage tank leaked petroleum into the soil decades ago.
Environmental Due Diligence: What Are Phase I and Phase II ESA?Phase I ESAPhase II ESAPhase I vs Phase II ESAenvironmental due diligenceenvironmental site assessmentcommercial real estate environmental due diligencePhase I environmental site assessmentPhase II environmental site assessmentenvironmental due diligence commercial propertyPhase I ESA costPhase II ESA costenvironmental site assessment costcommercial property environmental inspectioncommercial real estate due diligence checklistrecognized environmental conditionREC environmental assessmentcontrolled recognized environmental conditionhistorical recognized environmental conditionenvironmental liability commercial propertyASTM E1527-21ASTM E1903-19all appropriate inquiriesEPA environmental due diligenceCERCLA landowner liabilitycommercial property contaminationsoil contamination testinggroundwater contamination testingsoil vapor testingenvironmental sampling commercial propertyunderground storage tank contaminationformer gas station environmental assessmentdry cleaner environmental contaminationindustrial property environmental riskswarehouse environmental due diligenceretail center environmental assessmentmedical office environmental due diligencedevelopment land environmental assessmentvacant land environmental due diligencebrownfield property investmentbrownfield redevelopmentenvironmental remediation costscommercial property cleanup costsenvironmental risk assessmentenvironmental due diligence before closingPhase I ESA requirementsPhase II ESA requirementsPhase I ESA validity periodPhase I ESA 180 day rulePhase I ESA one year rulePhase I ESA for SBA loansSBA environmental investigation requirementscommercial mortgage environmental requirementscommercial lender Phase I ESAbank environmental due diligenceenvironmental due diligence for investorscommercial real estate acquisition risksenvironmental due diligence for buyersenvironmental due diligence for sellerscommercial real estate inspection checklistproperty historical use investigationhistorical aerial photograph reviewenvironmental database searchTCEQ environmental recordsTexas environmental site assessmentTexas commercial property contaminationHouston environmental due diligenceHouston Phase I ESAHouston Phase II ESAHouston commercial real estate investingKaty Phase I environmental assessmentKaty commercial property due diligenceFulshear commercial real estate environmental riskWest Houston environmental site assessmentEnergy Corridor commercial real estate due diligenceBrookshire Texas industrial property assessmentHouston warehouse environmental inspectionTexas industrial real estate due diligenceTexas retail property environmental assessmentHouston development land environmental testingcommercial property soil testingpetroleum hydrocarbon contaminationchlorinated solvent contaminationPCE contamination dry cleanersenvironmental cleanup negotiationseller funded environmental remediationenvironmental remediation escrowenvironmental indemnity commercial real estatepollution legal liability insuranceenvironmental insurance for commercial propertycontaminated property financingenvironmental due diligence closing delayshow to read a Phase I ESA reportwhen is a Phase II ESA neededdoes a Phase I ESA test soilwhat happens if a Phase I finds a RECcan you buy contaminated commercial propertyhow long does a Phase II ESA takehow to avoid environmental liabilitycommercial real estate environmental risk management