When was Central Library built?

Central Library construction was completed in 1965. W.C. Roads was the engineer and W.R. Grimshaw was the general contractor. With built-in equipment, the building cost $1,864,111 or $13.76 per square foot. The total cost was $2,735,269. The building had: 135,443 square feet of gross floor area with room to expand another 65,000 square feet; open shelf capacity for 265,000 volumes; closed stack and storage capacity for 250,000 more volumes.

Source Tulsa City-County Library 1912-1991, Okt 027.476686 L125t 1992.