CA · Commercial due diligence · ASTM E1527
Phase 1 Environmental Site Assessment Cost California
Looking up phase 1 environmental site assessment cost california or a Phase I ESA quote near Los Angeles? A standard commercial Phase 1 Environmental Site Assessment in California typically plans around $3,450 – $5,550 (about 1 acre, mixed/unknown history, one building). Phase 1 environmental site assessment cost in California typically runs above the U.S. median. Los Angeles, San Francisco Bay Area, San Diego, San Jose, and Sacramento deals pay more for consultant labor, dense redevelopment history, DTSC EnviroStor and regional water-board records, and lender expectations around ASTM E1527-21 Phase I ESA reports.
Major markets: Los Angeles · San Francisco · San Diego · San Jose · Sacramento · Typical turnaround: 10–18 business days in major metros when records queues are busy
How much does a Phase 1 environmental site assessment cost in California?
Below are typical California ranges by property type using 2026 U.S. market baselines and a California regional cost index. Competitors often publish one nationwide band—we break pricing down for your state and asset class.
| Property Type | Typical California Range* |
|---|---|
| Small office / retail parcel | $2,550 – $3,450 |
| Standard commercial site | $3,450 – $5,550 |
| Industrial property | $4,850 – $9,000 |
| Multi-building campus | $5,550 – $10,350 |
| Vacant / undeveloped land | $2,750 – $4,850 |
*Planning estimates for ~1 acre, unknown/mixed history, single building; adjust with the calculator below.
Phase 1 environmental site assessment in California (not just cost)
Buyers searching for a Phase 1 environmental site assessment in California—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 California, use the statewide calculator below and filter by your metro (Los Angeles, San Francisco, San Diego). Local field time is what “near me” actually changes—not a different ASTM standard.
What drives Phase 1 environmental site assessment pricing in California?
- Bay Area and LA infill sites often need extensive historical aerial and Sanborn map review.
- DTSC EnviroStor and regional water board records add research scope in many deals.
- Seismic and multi-building campuses increase field observation time.
- Consultant backlog in major metros can affect rush pricing.
California Phase 1 environmental site assessment cost calculator
Select California, then adjust property type, acreage, site history, and building count for a localized planning range.
Estimated Cost
$3,450 – $5,550
Planning range for a Phase 1 ESA on Standard commercial site in California (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.
California Phase 1 ESA cost FAQ
How much does a Phase 1 environmental site assessment cost in California?
A Phase 1 (Phase I) Environmental Site Assessment in California is typically priced by property type, acreage, site history, and metro—markets such as Los Angeles and San Francisco often sit above rural counties. Use the calculator on this page for a California regional index estimate; it is a planning range, not a formal consultant quote.
How much does a Phase I ESA cost in California?
Phase I ESA is the same ASTM E1527 report as a Phase 1 ESA. In California, 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 California?
Buyers and SBA or conventional borrowers in California 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 California?
“Near me” searches still resolve to statewide consultant markets. This California guide covers Los Angeles and San Francisco 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 California?
Most commercial acquisitions, refinances, and many agency-backed loans in California 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 California?
For standard California commercial sites, expect 10–18 business days in major metros when records queues are busy. Complex industrial history, multi-building campuses, or busy metro records queues can extend timelines—order early if a closing date is fixed.
What makes California Phase 1 ESA pricing different from the national average?
Bay Area and LA infill sites often need extensive historical aerial and Sanborn map review.
Popular state guides
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