Structural Engineering Library

First Time Purchases

Discover for yourself why thousands of engineering offices nationwide, and city, county, and federal plan review agencies have made ENERCALC's Structural Engineering Library the #1 structural engineering software program.

Product delivery is by Internet download only. No materials are shipped. Your order will be delivered immediately after it is placed.


Select License Type and Seat Count

Annual Subscription includes use of installed version of Structural Engineering Library software for one year, including support, plus all updates released in that year.

Annual Subscription includes use of installed version of Structural Engineering Library software for one year, including support, plus all updates released in that year.

Monthly Subscription includes use of the installed version of Structural Engineering Library software, support, plus all updates for duration of subscription.

Installed Version License includes 30 months of our Maintenance & Support Plan (MSP) which provides support and updates.

  • The purchase includes 2 seats, and you can add more based on your needs.
  • When expired, you can choose to renew MSP to keep up to date on new versions. If you do not renew your MSP then you can continue to use the license indefinitely at whatever version you have when MSP expired.
  • Perpetual licenses are allowed a 60 day full refund period after purchase.
  • A two seat subscription is the minimum purchase and is provided at the price of 1 seat. We provide the second seat as a courtesy to allow users to have an activated system at the office and at home.
  • Prefer to order via fax? Click here to download a PERPETUAL Structural Engineering Library (Installed) License order form. [pdf]

Monthly subscription to ENERCALC SE, our completely Cloud based suite of three programs: STRUCTURE, ENERCALC 3D and EARTH. Your subscription includes technical support.

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Additional Order Options

  1. Call (800) 424-2252 or (949) 645-0151, Extension #1
  2. Complete & fax/email an order form:

To get a copy of our corporate W-9 form - click here