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Occupancy Inspections for Existing Buildings (CE1278)
This guide provides the qualifications and submittal requirements for requesting a Certificate of Occupancy for existing buildings.
Last updated: November 5, 2025.
02502-04 8 Diameter Waterline (DWG)
Overview of the General Commercial Permit Process (CE1279)
This brochure is intended to provide a very high level overview of the commercial building permit process.
Last updated: 1/1/2019
COH-TB-STD_ANSI_A Mod.pdf
City of Houston Standard Detail Title Block - ANSI A (8.5 x 11 inches) uploaded 12-12-2023
Standard Details Redlines from 2022-2023 Review Cycle
Standard Details Redlines from 2022-2023 Review Cycle
Updated 11-26-2023
02502-02 16 Diameter Waterline Aerial (DWG)
Supplement to IDM Chapter 9 (May 30, 2024)
Last Updated: 05/30/2024
2021 IDM Webinar Presentation
Presentation slides used during the 2021 Infrastructure Design Manual webinar held on Aug. 19, 2021.
2021 IDM Webinar QR