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Retell AI leases offices in Redwood City, California

Creator of voices and intelligence for call centers takes three-year deal in South Bay
Retell AI will occupy most of the office building at 540 Price Ave., Redwood City.
Retell AI will occupy most of the office building at 540 Price Ave., Redwood City.
By Angelica Mendoza
CoStar Research
May 6, 2026 | 4:26 P.M.

Retell AI, a tech startup that creates call centers driven by artificial intelligence, signed a new three‑year office lease for 13,346 square feet of office space spanning the first and second floors of an office building at 540 Price Ave. in Redwood City, California. The property contains 17,025 square feet of rentable building area and was constructed in 1985. Retell AI will operate both suites as a single location, with a May 1 start date.

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