DE · Commercial due diligence · ASTM E1527
Phase 1 Environmental Site Assessment Cost Delaware
Looking up phase 1 environmental site assessment cost delaware or a Phase I ESA quote near Wilmington? A standard commercial Phase 1 Environmental Site Assessment in Delaware typically plans around $2,900 – $4,650 (about 1 acre, mixed/unknown history, one building). Delaware chemical corridor and Wilmington industrial legacy uses often increase historical research hours.
Major markets: Wilmington · Dover · Typical turnaround: 7–14 business days for standard commercial sites
How much does a Phase 1 environmental site assessment cost in Delaware?
Below are typical Delaware ranges by property type using 2026 U.S. market baselines and a Delaware regional cost index. Competitors often publish one nationwide band—we break pricing down for your state and asset class.
| Property Type | Typical Delaware Range* |
|---|---|
| Small office / retail parcel | $2,150 – $2,900 |
| Standard commercial site | $2,900 – $4,650 |
| Industrial property | $4,100 – $7,600 |
| Multi-building campus | $4,650 – $8,750 |
| Vacant / undeveloped land | $2,350 – $4,100 |
*Planning estimates for ~1 acre, unknown/mixed history, single building; adjust with the calculator below.
Phase 1 environmental site assessment in Delaware (not just cost)
Buyers searching for a Phase 1 environmental site assessment in Delaware—or a Phase I ESA without the word “cost”—still need the same ASTM E1527-21 scope: records review, site reconnaissance, interviews, and REC conclusions. Pricing on this page is the planning layer; lender format, travel, and rush delivery are confirmed in a consultant proposal.
For Phase 1 environmental site assessment cost near me in Delaware, use the statewide calculator below and filter by your metro (Wilmington, Dover). Local field time is what “near me” actually changes—not a different ASTM standard.
What drives Phase 1 environmental site assessment pricing in Delaware?
- State and county environmental database access affects research time in Delaware.
- Travel to remote parcels can add field costs beyond the base quote.
- Lender formatting and ASTM E1527 scope should be confirmed before award.
Delaware Phase 1 environmental site assessment cost calculator
Select Delaware, then adjust property type, acreage, site history, and building count for a localized planning range.
Estimated Cost
$2,900 – $4,650
Planning range for a Phase 1 ESA on Standard commercial site in Delaware (2026 U.S. market baselines + regional index). Not a formal quote.
Confirm scope, exclusions, travel, and lender format with a qualified environmental consultant before closing deadlines.
Delaware Phase 1 ESA cost FAQ
How much does a Phase 1 environmental site assessment cost in Delaware?
A Phase 1 (Phase I) Environmental Site Assessment in Delaware is typically priced by property type, acreage, site history, and metro—markets such as Wilmington and Dover often sit above rural counties. Use the calculator on this page for a Delaware regional index estimate; it is a planning range, not a formal consultant quote.
How much does a Phase I ESA cost in Delaware?
Phase I ESA is the same ASTM E1527 report as a Phase 1 ESA. In Delaware, planning costs follow the same table on this page—small retail is usually the lowest band, industrial and high-risk histories (gas stations, dry cleaners) the highest.
Who pays for a Phase 1 ESA in Delaware?
Buyers and SBA or conventional borrowers in Delaware usually pay for the Phase 1 ESA during due diligence. Sellers sometimes provide a recent report, but lenders often require a current ASTM E1527-21 report in the buyer’s (or lender’s) name.
Can I find Phase 1 environmental site assessment cost near me in Delaware?
“Near me” searches still resolve to statewide consultant markets. This Delaware guide covers Wilmington and Dover and other metros—enter your county-level details in the calculator, then request quotes from consultants who can field-walk the parcel.
Is a Phase 1 ESA required for commercial property in Delaware?
Most commercial acquisitions, refinances, and many agency-backed loans in Delaware require ASTM E1527-aligned Phase 1 ESAs. Requirements vary by lender, deal structure, and prior land use—confirm scope with your environmental consultant and lender early.
How long does a Phase 1 ESA take in Delaware?
For standard Delaware commercial sites, expect 7–14 business days for standard commercial sites. Complex industrial history, multi-building campuses, or busy metro records queues can extend timelines—order early if a closing date is fixed.
What makes Delaware Phase 1 ESA pricing different from the national average?
State and county environmental database access affects research time in Delaware.
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