The name of the former DSD Service Center has changed to Building and Trade Contractor Services (BTCS). Please note our new web address: Our online chat hours have also changed to serve you better. BTCS staff is available for online chat Monday-Thursday, 7:45 a.m.-4 p.m. We are now offline on Fridays to focus on existing requests, training, and other business. 

Building and Trade Contractor Services (BTCS) provides building and trade permit-related services to general contractors, licensed trade contractors, and homeowners. Most BTCS requests can be submitted online by visiting the webpages listed here. 


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Contractor Registration & Licenses

General contractors, trade contractors, and homeowners acting as a contractor must register with BTCS before obtaining a Building or Trade Permit. Visit this webpage to register as a general contractor and licensed trade contractor and to update your contractor registration.

Visit Contractor Registration

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Homeowner's (Homestead) Permit

Homestead Permits allow homeowners who meet certain qualifications to perform Mechanical, Electrical, and Plumbing trade work for their own homes. Visit this webpage to find out if you qualify, to register as a contractor for the trade work, and to get the Homestead Trade Permit.

Visit Homeowner's Permit

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Apply for a Stand-Alone Building or Trade Permit

Stand-alone Building or Trade Permit(s) may be issued for construction for commercial, multi-family, and single-family residential properties if the complete scope of work for the project qualifies. Visit this webpage to learn what qualifies for a stand-alone permit and how to apply.

Visit Stand-Alone Building or Trade Permit

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Activate an Approved Building or Related Trade Permit

Once a Building Permit Application has been approved by Building Plan Review staff, the Building Permit and related Trade Permit(s) can be paid for and activated. Visit this webpage to activate the Permit(s) for the approved Building Permit Application.

Visit Activate Approved Permit

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Modify an Existing Permit

Building or Trade Permits with an “Active” or “Expired” status can be modified by the property owner or the contractor listed on the permit. Visit this webpage to reactivate, withdraw, extend, change a contractor, change an address, or change the scope of work for an existing Building or Trade Permit.

Visit Modify a Permit

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Temporary Certificate of Occupancy (TCO)

A Temporary Certificate of Occupancy (TCO) may allow a property to be occupied, stocked, and/or furnished before issuing the final Certificate of Occupancy (CO). TCOs are available for both commercial and residential properties. Visit this webpage to request a TCO.

Visit Certificate of Occupancy

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Escrow Accounts

A Development Services Department (DSD) Escrow Account can be established by depositing money in an account to pay ONLY for DSD building plan reviews, permitting, and inspection fees (does not include Site Plan fees). Visit this webpage to learn more about Escrow Accounts.

Visit Escrow Accounts

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Refund Requests

Development Services Department (DSD) offers partial refunds for certain types of active permits including Building (BP), Electrical (EP), Mechanical (MP), and Plumbing (PP). The refund request must meet certain requirements to qualify. Visit this webpage to learn more and to submit a refund request.

Visit Development Services Refunds 


 Appointments & Live Chat

 Make an Appointment:

Ask Building and Trade Contractor Services staff general questions about any of the services listed on this webpage. Appointments are not for submitting or processing requests for any of the listed services.

Expected Appointment Duration: 20 minutes 

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Live Chat:

Click the blue chat bubble in the lower-right corner of this page to chat with an agent regarding the following requests. Visit the About Development Services webpage to view chat hours.

  • Answer general questions. Depending on the question, an appointment may be recommended.
  • Update a registered trade license (not for a change in contractors)