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Offices Closed for Memorial Day: All county offices will be closed on Monday, May 29, for the holiday. This includes parks offices, public works, courts and all other administrative offices. Offices will re-open Tuesday, May 30.

Frequently Asked Questions

General Information about Development Services

Address: 4690 Community Ave., Suite 200 McKinney, TX 75071

Phone Number: 972-548-5585

Fax Number: 972-548-5555

Hours of Operation: Monday – Friday from 7:30 a.m. until 4 p.m. (closed on all County holidays)

Forms of Payment Accepted: Check, cash, money order or credit card (please note that a non-refundable, convenience fee will be charged for each credit card transaction)

Flood Plain/ETJ/Zoning/General Property Questions

Is my property located in an ETJ, or the floodplain?

The Collin County Interactive Maps can give you much information about your property – If your property is located in an ETJ, the floodplain, the County Commissioner for your area, and much more. Use the legend on the right side of the map to get started.

Is there zoning, outside of city limits, in Collin County?

Collin County does not, at this time, have any zoning restrictions in the unincorporated portions of the County, with the exception of Sexually-Oriented business, Salvage and Junk Yards and Animal Slaughter Operations. However, permitting is required for residential and non-residential building projects. Anyone planning any type of residential or commercial project in the unincorporated County must contact Development Services prior to beginning any project.

Where can I get a copy of my deed?

This document can be obtained at the Collin County Clerk's Office located at 2300 Bloomdale Rd., Suite 2104, McKinney, TX or from the Clerk's Deed Search page.

Where can I get a copy of a subdivision plat or abstract map?

The plat or abstract map can be obtained from the Collin County Central Appraisal District.

Permitting/Building

Do I need to apply for a permit through Collin County when adding a permanent, residential structure to my property (house, mobile home, barn, storage building, pool, fence, etc)?

If you are located OUTSIDE of city limits, but within Collin County, you will need to apply for a Development Permit through Collin County Development Services.   You can find the permit application, as well as other helpful information, Here.

Do I need to apply for a permit through Collin County Development Services when building, remodeling or changing ownership of a non-residential/commercial business?

If you are located OUTSIDE of city limits, but within Collin County, you will need to apply for a Commercial Permit through Collin County Development Services.   You can find the permit application, as well as other helpful information, Here.

Does my permit have an expiration date?

Commercial/Non-residential permits expire after 180 days of no activity (from date of issuance) and residential and OSSF permits expire after 365 days of no activity (from date of issuance).

On Site Sewage Facilities (AKA "Septic")

Do I need to apply for OSSF (On-Site Sewage Facility) through Collin County?

  • If your property is located OUTSIDE of city limits – you are required to apply for an OSSF permit through Collin County Development Services.  You can find the permit application, as well as other helpful information, Here.
  • If your property is located INSIDE of city limits – you MAY BE required to apply for an OSSF permit through Collin County Development Services.  The Texas Commission on Environmental Quality (TCEQ) maintains a List of the permitting agency (Authorized Agent) for each city.  If your city is not listed, Collin County is your Authorized Agent.

Where do I find a Registered Sanitarian or Professional Engineer to design a new OSSF or design a repair to an existing OSSF?

Collin County maintains a courtesy List of local individuals that have the approved, required credentials to perform OSSF design work in Collin County.  The list is provided solely for your convenience.  Collin County in no way recommends or guarantees the work of any of the individuals on the list.  You may choose any currently licensed Registered Sanitarian or Professional Engineer to perform your work.

Where do I find an Installer or Maintenance Provider for my OSSF?

The Texas Commission on Environmental Quality (TCEQ) maintains a List of certified/licensed providers.

What rules do I have to follow for OSSF?

In addition to the State Rules (scroll down and choose Chapter 285) for OSSFs, Collin County has a Court Order that details additional, more stringent rules that must be followed.

Where do I file the OSSF Affidavit?

The Affidavit must be filed with the County Clerk's Office located at 2300 Bloomdale Rd., Suite 2104, McKinney, TX.

Does my OSSF permit have an expiration date?

OSSF permits expire after 365 days of no activity (from date of issuance)

I have purchased a property that has an aerobic OSSF system.  How do I register the OSSF in my name?

Collin County requires three (3) forms when property is sold that has aerobic system:  (1) Change of Ownership (2) Aerobic Wastewater Homeowner's Information sheet (3) Maintenance contract in new owner's name (must be obtained from your licensed maintenance provider). 

Where do I send OSSF Contracts, Maintenance Reports or Change of Ownership Forms?

You can either mail them to:  4690 Community Ave., Suite 200 McKinney, TX 75071, fax to 972/548-5555

or by email.

Food-Borne Illness/Restaurant or Food Service Inspections or Complaints

How do I report a suspected food-borne illness ("food poisoning") or unsanitary conditions involving food service?

Collin County only performs inspections or investigations for food service complaints (including restaurants, food stores, schools, day cares, etc.) or food-related illness for the following areas:

  • Unincorporated areas (outside of any city's city limits)
  • Wylie city limits
  • Princeton city limits
  • Anna city limits
  • Melissa city limits
  • Lowry Crossing city limits
  • Blue Ridge city limits

To report a complaint regarding food or unsanitary conditions for any of the above areas, you may call 972/548-5585 during business hours or send a report via email.

To report a suspected food-borne illness ("food poisoning") or unsanitary conditions involving food service for any other city within Collin County, you will need to contact that city directly to make your report.

Information for Food Service Establishments:

What rules does the county use when inspecting a food service operation (including temporary operations)?

Collin County uses the Texas Food Establishment Rules (TFER) from Chapter 228 of the Texas Health and Safety Code - Link to TFER and Food Service Rules

Do I need to permit with the County in order to sell food?

Collin County only permits establishments for food service (including restaurants, food stores, schools, day cares, mobile vendors, temporary events, etc.) for the following areas:

  • Unincorporated areas (outside of any city's city limits)
  • Wylie city limits
  • Princeton city limits
  • Anna city limits
  • Melissa city limits
  • Lowry Crossing city limits
  • Blue Ridge city limits

To permit food service for any of the above areas, you will need to apply through Collin County for a food establishment permits - Application for Food Service Health Permit

To permit food service in any other city within Collin County, you will need to contact that city directly to obtain your permit.

What if I only want to operate a food business on a temporary basis or for a specific event?

Collin County allows food operators to obtain a Temporary/Short-Term Event Food Permit that will allow you to operate your establishment for a period on not more than 14 days at a single location.  Your application and payment MUST be received by Development Services five (5) business days prior to the 1st anticipated day of operation or your request for a permit will be denied - Application for Temporary Event Health Permit

What is the cost of a food service permit?

All of our permit fees are included on our Fee Sheet - Permit Fees

Does the county require Certified Food Management certification and /or Food Handling certification?

State law requires that "At least one employee that has supervisory and management responsibility and the authority to direct and control food preparation and service shall be a certified food protection manager who has shown proficiency of required information through passing a test that is part of an accredited program" and "Except in a temporary food establishment and the certified food manager, all food employees shall successfully complete an accredited food handler training course, within 60 days of employment."

Foster Care/Adoption Inspections

Does Collin County provide foster care inspections?

Collin County only performs foster care/adoption inspections for citizens residing in the following areas:

  • Unincorporated areas (outside of any city's city limits)
  • Wylie city limits
  • Princeton city limits
  • Anna city limits
  • Melissa city limits
  • Lowry Crossing city limits
  • Blue Ridge city limits

To receive a foster care/adoption inspection for any of the above areas, you will need to submit the completed application to Collin County Development Services by mail, fax or email.

To receive a foster care/adoption inspection in any other city within Collin County, you will need to contact that city directly determine if they offer the service.

What standards are required to pass an inspection? 

The second page of the application details the standards that are inspected.