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Sonoma County
· County
· California
On-Call Environmental Consulting Services
PROPOSALS DUE
November 19, 2026, 2:00 pm PST
32 days left
WHAT THEY WANT
(Summarized from the RFP)
Sonoma County Public Infrastructure (SPI) is seeking statements of qualifications from environmental consulting firms to form a shortlist of on-call consultants for as-needed work across County projects. The services will primarily support the Engineering Division on road and bridge projects, but task orders may also arise in other SPI divisions such as Integrated Waste, Transit, Airport, Land Development, Construction Management, or County Service Districts.
DOCUMENT SET
5 documents
· 4.7MB
CHANGES SINCE PUBLISHED
No amendments recorded yet. If the entity publishes changes, they will be summarized here.
WHAT OTHERS ASKED
No questions answered in writing yet — when the government entity answers, each one lands here, with the ones that change who can bid called out.
ABOUT THIS RFP
RFP number
SC001-0000002206
Budget
$15,000,000
Published
Entity type
County
State
California
Summarized from the Sonoma County portal.
HOW TO SUBMIT
Online submissions are not accepted. Submit one signed original hard copy and one electronic copy on a flash drive, in a sealed envelope or package marked "SOQ – On-Call Environmental Consulting Services", by hand, mail, or shipping service to Sonoma County Public Infrastructure, Attn: Melanie Trumbo, 400 Aviation Boulevard, Suite 100, Santa Rosa, CA 95403. Pre-register on the Sonoma County Supplier Portal to download documents. Limit the SOQ to 20 pages and do not include rates or a cost proposal. Questions go by email only to SPI-Bid-Inquiries@sonoma-county.org.
NAICS CODES & TAGS
541620
Environmental Consulting
Cultural Resource Management
Regulatory Compliance and Permitting
ACROSS 539 RFPS
MORE THAN
RFPs changed their terms while active.
25 days is the median window from publication to due date; day 16 is the median first change for the 113 that changed. 539 RFPs published and due: July 23 - Sept. 30, 2026.
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Changes since published
Every amendment filed after it goes out, summarized.
What others asked
Every question the government entity answers in writing, with the ones that matter called out.
The documents
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