This sources sought notice seeks firms capable of performing Aids to Navigation (ATON) repair, replacement, removal, or refurbishment work in the San Francisco Bay Area, including structure fabrication, with the contractor providing all materials, labor, equipment, and transportation except government-furnished material. Performance locations include San Francisco Bay, the Sacramento River, and Bodega Bay, with in-water work windows ranging from July through November, and all such work must be completed by October 31, 2027. The estimated contract value is between $5,000,000 and $10,000,000, and a solicitation is anticipated to be issued around September 2026. Interested firms must submit a positive statement of intent to bid as a prime contractor, evidence of similar experience, and bonding capability for the maximum project magnitude. This notice is for planning purposes only and does not commit the government to award or pay for any information provided.