Jacobus Yuang, Inc. (JYI) is a professional cost consulting firm based in Ventura, CA, founded in 1993. With a team of successful individuals and a formal association with Sierra West Group, Inc., JYI specializes in providing accurate estimates and maintaining a current pulse on pricing through constant market monitoring.
Offering multi-disciplinary services, JYI has full in-house capability in all disciplines, including mechanical and electrical trades, and presents work products via a single source to respond to all multi-trade issues. With extensive experience in estimating diverse projects, JYI focuses on keeping the project team informed of the cost impact of each design decision and offers additional services such as Quantity Surveying, Value Engineering, Change Order review, and Constructability Review.
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