Seattle Phase I ESA — ASTM E1527-21
EPA-compliant Phase I Environmental Site Assessments across King County. ASTM E1527-21 certified from $2,750 with guaranteed 10-day turnaround.
- 10 Day Turnaround
- WA Seattle Coverage
- ASTM E1527-21
- $2,750 Starting Price
Serving Seattle, WA
Seattle, WA Phase I ESA Market
Seattle is one of Washington's most active commercial real-estate markets with steady Phase I ESA demand from lenders, buyers, and SBA borrowers.
- ASTM E1527-21 and EPA All Appropriate Inquiries (AAI) compliance across King County commercial properties.
- Standard 10-day delivery timeline keeps commercial transactions and SBA 504/7(a) loan approvals on track.
- Transparent pricing starting at $2,750 with transparent pricing or surprise regional travel charges.
- Experienced environmental professionals assessing SODO, Ballard, and Greater Seattle industrial corridors.
About Seattle
From historical maritime operations along the Ship Canal to the heavy manufacturing legacy of the Duwamish Industrial Corridor and SODO, Seattle parcels frequently carry complex historical use profiles requiring rigorous historical record reviews.
Fast, Defensible Phase I ESAs in Seattle
E&O Insurance Included
Errors & Omissions coverage on every Seattle Phase I ESA — protecting buyer, lender, and EP.
Washington-Licensed PE / PG
Reports are written and signed by a Washington-licensed Professional Engineer or Geologist.
ASTM E1527-21 Compliant
Every Seattle report meets the current ASTM E1527-21 standard.
Local Seattle EPs
Environmental Professionals matched by closest ZIP to your Seattle subject property.
Our Mission
We provide a seamless connection between clients requiring due diligence and the environmental professionals (EPs) who perform it. For our clients, we ensure higher-quality Phase I ESA reports completed within 10 days of the site visit. For our EPs, we offer a professional platform to monetize their expertise and grow their practice. Our goal is simple: Higher-quality Phase I ESAs delivered in a reasonable amount of time, so you can make an informed decision and mitigate your environmental risk.
Seattle Phase I ESA — Common Questions
How much does a Phase I ESA cost in Seattle, WA?
A standard Phase I Environmental Site Assessment in Seattle, Washington starts at $2,750 through Fast Phase I, with E&O insurance, EDR records, and a signed PDF report written by a state-licensed Environmental Professional included. Additional parcels, acreage, or special scope needs may add cost.
How long does a Seattle Phase I ESA take?
Most Seattle Phase I ESAs are delivered within 10 days following the site visit. Rush turnarounds are available on request — contact us before checkout.
Who signs the Seattle report?
Every report is written and signed by a Washington-licensed Professional Engineer (PE) or Professional Geologist (PG), who carries professional responsibility for the opinion.
Is the report ASTM E1527-21 compliant?
Yes. Every Fast Phase I report follows the current ASTM E1527-21 standard, which is also the EPA-recognized All Appropriate Inquiries (AAI) standard for CERCLA innocent-landowner defense.
How do I pay?
We accept all major forms of payment securely through our payments partner, Stripe.
How do I follow my Seattle project and communicate with my EP?
You'll get a live client dashboard with milestone notifications (site visit scheduled, site visit complete, historical research complete, report finalized, report delivered). You can view your photolog, figures, and final EDR report inside your Project Folder™, and message your EP privately through SnapRelay™ — every message, milestone, and deliverable is timestamped and preserved on the platform, giving you a clean audit trail if lenders, counsel, or reviewers ever need it.
Do you cover the rest of Washington?
Yes — we cover the entire Washington market. See the full Washington overview for more detail.