Service request intake, on-site diagnosis & written estimate, change order addendum, completion sign-off with lien waiver, warranty & maintenance plan registration, and property access/safety agreement for small contractor crews
Work has already started under an approved estimate and something has changed — a hidden condition was uncovered, the customer added scope, or a material substitution is needed. This addendum documents the change, the cost delta, and the new completion date. Work on the changed scope does NOT resume until this is signed.
Section 1 — Reference to Original Job
Original estimate #:
Original estimate date:
Original contract total ($):
Change Order # (1, 2, 3...):
Job site address:
Section 2 — Reason for Change
[ ] Concealed condition — uncovered during work (rot, corrosion, hidden leak, non-code wiring)
[ ] Customer-requested scope addition
[ ] Customer-requested scope reduction
[ ] Material substitution (original unavailable or back-ordered)
[ ] Code-compliance upgrade required by inspector
[ ] Other (describe below)
Detailed explanation of why the change is needed:
Photos documenting the condition / added scope:
Section 3 — Changed Scope of Work
Work being ADDED:
Work being REMOVED / DEDUCTED:
Additional parts / materials (item / qty / unit price):
Section 4 — Price & Time Impact
Additional materials cost ($):
Additional labor hours:
Additional labor cost ($):
Credit back to customer ($, if applicable):
NET CHANGE TO CONTRACT ($, + or −):
REVISED CONTRACT TOTAL ($):
Additional days added to schedule:
Revised completion date:
Section 5 — Authorization
I authorize the added / reduced scope and revised pricing shown above
I understand this change replaces only the affected line items; all other terms of the original contract remain in effect
I acknowledge that work was paused pending this signature and may resume once signed
The Change Order / Work Authorization Addendum template is a ready-to-use form from Pocper's Home Services — Plumbing, HVAC & Electrical pack. Customize the fields to match your workflow, then share a link so clients can complete it and upload documents in real time.
What's in this template
Change Order / Work Authorization Addendum
Section 1 — Reference to Original Job
Section 2 — Reason for Change
Section 3 — Changed Scope of Work
Section 4 — Price & Time Impact
Section 5 — Authorization
Frequently asked questions
What is the Change Order / Work Authorization Addendum template for?
It's a structured form you send to clients to collect the information, documents, and signatures a home services — plumbing, hvac & electrical workflow needs — without the back-and-forth of email.
Can I edit this template?
Yes. Import it into your Pocper workspace, then add, remove, or reword any field before sharing it. Every template is fully editable.
How do clients fill it out?
You share a single link. Clients open it in any browser, complete the form, and their responses sync back to you in real time.
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