Offices Closed for Thanksgiving Holiday: All county offices will be closed on Thursday, Nov. 26, and Friday, Nov. 27, for the holiday. This includes parks offices, public works, courts and all other administrative offices. Offices will re-open Monday, Nov. 30.

Constable: Precinct 3

Constable Sammy Knapp
Elected Official
Sammy Knapp

Constable, Precinct 3
Collin County Sub-Courthouse
920 E. Park Blvd.
Suite 230
Plano, TX 75074
972-881-3070 (Plano)
972-424-1460 ext. 3070 (Metro)

Hours of Operation: Monday-Friday, 8:00 a.m.-4:30 p.m

ission Statement

It is the mission of the Collin County Constable, Pct. 3 Office to serve the citizens of this precinct and Collin County in a professional, courteous, educated and respectful manner.

It is also the mission of the Collin County Constable, Pct. 3 Office to execute all legal documents delivered to this office in a timely, efficient and professional manner as well as to make all returns promptly and accurately.

The mission of the Collin County Constable, Pct. 3 Office is to show respect to all persons that this office contacts and to have compassion for those in need of our aid and services.

To accomplish the mission of the Collin County Constable, Pct. 3 Office we will strive to educate ourselves in all areas of law enforcement, cultural diversity, sensitivity and protection for all citizens.


Click on the name to send an email to one of the staff members listed below.

Chief Deputy Matthew Carpenter
Lieutenant Reginald Green
Administrative Sergeant
Tom Wylie
District Sergeant
Joseph Wolf
Tim Walker
Robert George
Deputy Timothy O'Connor
Deputy Michael Newton
Deputy Ralph Ornelas
Deputy Andrew Boyd
​Warrant Deputy
Toby Carpenter
Administrative Secretary
Robin Humphrey
Legal Clerk JoAnna Schick
​Legal Clerk
Kathleen Taylor
​Reserve Deputy William Gillard
​Reserve Deputy Omar Abuabara
​Reserve Deputy  
Reserve Deputy
​Reserve Deputy
Links & Resources

Constable Fees
Goals and Values
Constable Sale Information
Current Sales
Warrant Division
Frequently Asked Questions
Interactive Map of Constable Precincts