Check & compare · Ettix BidAddenda

Review construction bid addenda before submitting a price.

Flag deadlines, quantities, scope amendments and referenced drawing replacements in selectable-text bid addenda.

Self-serve

Opens bidaddenda.ettix.com. No account needed.

Illustration Illustration showing a change to the fixture quantity.

BidAddenda

What it does

Collect the addenda
Add the original bid package and issued addenda as selectable-text PDF or text.
Review changes with page references
Check candidate deadlines, quantities, scope changes and references to replaced drawings.
Share the review
Review one addendum free. Unlock multiple addenda and Excel/PDF reports for $59 per bid.
Start with the checklist
Read the free guide and download the Excel checklist.

Access: Self-serve: One addendum free. $59 USD per bid for multiple addenda and Excel and PDF reports.
Status: Available
Made for: U.S. subcontractor estimators and small bid teams
Address: bidaddenda.ettix.com

Your bid documents stay in your browser. BidAddenda sends checkout and aggregate usage events to Ettix.
Use selectable-text PDFs or paste the relevant text. Review drawings, scanned pages and the official portal separately.

Ask us about pricing, terms and data handling for BidAddenda. This Ettix site only describes the product; see site notice & data for this site. Questions? Contact Ettix about BidAddenda.

Information last confirmed 2026-11-10.