Co-Signer Addendum
Free to createAbout the Co-Signer Addendum
The Co-Signer Addendum is a lease addendum written to be portable across every U.S. state. Adds a guarantor mid-lease. Stronger than a side letter, with waiver of notice and direct-pursuit language. Preview the full document free with a Rentari.ai watermark, fill it in online, and download a copy in one click.
What this lease addendum covers
This form contains 8 sections. Here is the full outline of what it addresses:
- 1. ATTACHMENT TO LEASE
- 2. CO-SIGNER
- 3. GUARANTEE OF PERFORMANCE
- 4. NO RIGHT TO POSSESSION
- 5. WAIVER
- 6. JOINT AND SEVERAL LIABILITY
- 7. NOTICE TO CO-SIGNER
- 8. EFFECTIVE DATE
Frequently asked questions
Is the Co-Signer Addendum free to preview?
Yes. You can preview the full form online for free with a Rentari.ai watermark. Filling it in online and downloading a clean, un-watermarked copy is part of a Prime plan.
Which states does the Co-Signer Addendum apply to?
This lease addendum is prepared for every U.S. state. Adds a guarantor mid-lease. Stronger than a side letter, with waiver of notice and direct-pursuit language.
Can I fill it out and e-sign it online?
Yes. With Rentari.ai you fill the form in your browser, the fields auto-populate from your portfolio, and tenants can e-sign with a logged audit trail of every signature, IP, and timestamp.
Use this for real. No watermark, e-signed, ready to file.
- Clean PDF. No watermark, selectable text, looks like every other legal document.
- Auto-fills from your portfolio. Tenant, address, amounts pulled straight from your unit ledger.
- E-signed with audit trail. Tenants sign in the browser. Every signature, IP, and timestamp is logged.
- Whole library included. Every state covered. No per-form fee.