404 Aviation Blvd, Santa Rosa, California, 95403 Phone: (707) 547-1900; Fax: (707) 524-3782 PROJ/ Sonoma Valley County Sanitation District Sewer Trunk Main Replacement Phase 5B (Johnson Avenue)/ 70-712-7 #22 BID SUMMARY Sonoma Valley County Sanitation District Sewer Trunk Main Replacement Phase 5B (Johnson Avenue) Bid Opening: April 7, 2026, at 2:00pm Engineer’s Estimate $993,130 Bidder, City, State Total Contract Bid Price Argonaut Constructors, Inc., Santa Rosa, California $1,253,967 Contractors: Please email Gretchen.Martinez@scwa.ca.gov requests for a list of subcontractors. 1
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