OR · Commercial due diligence · ASTM E1527
Phase 1 Environmental Site Assessment Cost in Oregon (2026)
Portland infill and Willamette industrial history trend above state rural averages.
Searching for phase 1 environmental site assessment cost oregon? This page gives Oregon-specific planning ranges—not a single national average—plus a calculator tuned to regional pricing.
Major markets: Portland · Eugene · Typical turnaround: 7–14 business days for standard commercial sites
How much does a Phase 1 environmental site assessment cost in Oregon?
Below are typical Oregon ranges by property type using 2026 U.S. market baselines and a Oregon regional cost index. Competitors often publish one nationwide band—we break pricing down for your state and asset class.
| Property Type | Typical Oregon Range* |
|---|---|
| Small office / retail parcel | $2,200 – $2,950 |
| Standard commercial site | $2,950 – $4,750 |
| Industrial property | $4,150 – $7,700 |
| Multi-building campus | $4,750 – $8,900 |
| Vacant / undeveloped land | $2,400 – $4,150 |
*Planning estimates for ~1 acre, unknown/mixed history, single building; adjust with the calculator below.
What drives Phase 1 environmental site assessment pricing in Oregon?
- State and county environmental database access affects research time in Oregon.
- Travel to remote parcels can add field costs beyond the base quote.
- Lender formatting and ASTM E1527 scope should be confirmed before award.
Oregon Phase 1 environmental site assessment cost calculator
Select Oregon, then adjust property type, acreage, site history, and building count for a localized planning range.
Estimated Cost
$2,950 – $4,750
Planning range for a Phase 1 ESA on Standard commercial site in Oregon (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.
Oregon Phase 1 ESA cost FAQ
How much does a Phase 1 environmental site assessment cost in Oregon?
In Oregon, typical Phase 1 Environmental Site Assessment (Phase 1 ESA) planning ranges depend on property type, site history, and markets such as Portland and Eugene. Use the calculator on this page for a localized estimate based on Oregon's regional cost index and your parcel details—not a formal consultant quote.
Is a Phase 1 ESA required for commercial property in Oregon?
Most commercial acquisitions, refinances, and many agency-backed loans in Oregon 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 Oregon?
For standard Oregon 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 Oregon Phase 1 ESA pricing different from the national average?
State and county environmental database access affects research time in Oregon.
Popular state guides
Browse all 50 state Phase 1 ESA cost pages · U.S. calculator · National guide
Phase 1 environmental site assessment cost in every U.S. state
U