04/17/2017 - Remodel pool remodel work began - totallying $15,725 4/20/2017 - Payment received 1/2 of balance - $7862.50 5/22/2017 - Payment received $3931 via check 5/2017 - Check payment cancelled Client not satisfied with work. invoices sent, no resolution, no additional payments made. 6/2019, client filed complaint with az ROC, two small items (less than one day of work), were noted to be completed, 6/2019. Work completed per ROC request and complaint closed (job complete). No additional payments made to date (current balance owed $7889.50), sent statements, and invoices. 6/17/2019, sent "notice of intent to lien" Any additional guidance is appreciated. Thank you