ID · Commercial due diligence · ASTM E1527
Phase 1 Environmental Site Assessment Cost in Idaho (2026)
Boise growth corridors are approaching national averages; rural ag sites stay lower.
Searching for phase 1 environmental site assessment cost idaho? This page gives Idaho-specific planning ranges—not a single national average—plus a calculator tuned to regional pricing.
Major markets: Boise · Idaho Falls · Typical turnaround: 7–14 business days for standard commercial sites
How much does a Phase 1 environmental site assessment cost in Idaho?
Below are typical Idaho ranges by property type using 2026 U.S. market baselines and a Idaho regional cost index. Competitors often publish one nationwide band—we break pricing down for your state and asset class.
| Property Type | Typical Idaho Range* |
|---|---|
| Small office / retail parcel | $1,900 – $2,550 |
| Standard commercial site | $2,550 – $4,050 |
| Industrial property | $3,550 – $6,600 |
| Multi-building campus | $4,050 – $7,600 |
| Vacant / undeveloped land | $2,050 – $3,550 |
*Planning estimates for ~1 acre, unknown/mixed history, single building; adjust with the calculator below.
What drives Phase 1 environmental site assessment pricing in Idaho?
- State and county environmental database access affects research time in Idaho.
- Travel to remote parcels can add field costs beyond the base quote.
- Lender formatting and ASTM E1527 scope should be confirmed before award.
Idaho Phase 1 environmental site assessment cost calculator
Select Idaho, then adjust property type, acreage, site history, and building count for a localized planning range.
Estimated Cost
$2,550 – $4,050
Planning range for a Phase 1 ESA on Standard commercial site in Idaho (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.
Idaho Phase 1 ESA cost FAQ
How much does a Phase 1 environmental site assessment cost in Idaho?
In Idaho, typical Phase 1 Environmental Site Assessment (Phase 1 ESA) planning ranges depend on property type, site history, and markets such as Boise and Idaho Falls. Use the calculator on this page for a localized estimate based on Idaho's regional cost index and your parcel details—not a formal consultant quote.
Is a Phase 1 ESA required for commercial property in Idaho?
Most commercial acquisitions, refinances, and many agency-backed loans in Idaho require ASTM E1527-aligned Phase 1 ESAs during due diligence. 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 Idaho?
For standard Idaho 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 Idaho Phase 1 ESA pricing different from the national average?
State and county environmental database access affects research time in Idaho.
Popular state guides
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