We're excited to announce a new partnership between BNi Data® and eConverge™, combining the trusted BNi Costbook data with eConverge’s leading software. This powerful integration transforms the Costbook into a streamlined online estimating tool - saving time, reducing errors, and boosting efficiency.
Our 2026 BNi ACCESS™ Square Foot Edition Costbooks provide reliable, practical construction cost data based entirely on actual completed projects. Organized by building type, each case study includes detailed CSI cost breakdowns, square foot costs, and insightful project narratives - featuring hundreds of updated unit-in-place costs, labor and material rates, assemblies data, and regional modifiers to ensure accurate, location-adjusted estimating.
BNi Data, the latest division of BNi Building News, a trusted name in the construction industry since 1946. As the nation’s foremost source of construction books, building codes, legal forms, and contracts, BNi Building News has established itself as a premier publisher working closely with code developers, government agencies, and industry experts.
BNi Data extends this legacy by offering a cutting-edge platform dedicated to providing top-quality construction data solutions. Leveraging our extensive experience, we bring you a comprehensive suite of data services designed to empower your projects. From precise cost estimating tools to invaluable reference materials, BNi Data is committed to delivering the highest level of accuracy and reliability.
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