Harris County Engineering & Permit Resources

Verified government resources for Harris County projects — 10 official forms, manuals, checklists and permit portals, each linked to its official source.

Last verified 2026-09-04
Rainfall / Drainage Criteria
2019 Atlas 14 Policy Criteria and Procedures Manual

What HCFCD Atlas 14 criteria apply to drainage and detention design?

Harris County · Harris County Flood Control District
Drainage / Floodplain Manuals
All Technical Manuals

Where can I find HCFCD drainage, hydrology, Atlas 14, LID, CAD, and flood-control manuals?

Harris County · Harris County Flood Control District
Property / Parcel
HCAD Property Search

How do I look up a Harris County property by address or account?

Harris County · Harris Central Appraisal District
LID / Stormwater
Harris County Low Impact Development Design Criteria Manual

Where can I find Harris County low impact development criteria?

Harris County · Harris County Flood Control District
Permit Portal
Harris County ePermits

Where do I apply for or check a Harris County permit?

Harris County · Harris County Office of the County Engineer
Hydrology / Hydraulics
Hydrology and Hydraulics Guidance Manual

Where can I find the HCFCD Hydrology and Hydraulics Guidance Manual?

Harris County · Harris County Flood Control District
Flood / GIS
Interactive Mapping Tools

What HCFCD interactive flood and mapping tools are available?

Harris County · Harris County Flood Control District
FEMA / LOMR
LOMR Delegation Resources

Where can I find HCFCD LOMR delegation guidance?

Harris County · Harris County Flood Control District
Flood Models / Maps
Model and Map Management (M3) System

Where can I find HCFCD flood models and mapping resources?

Harris County · Harris County Flood Control District
Standard Details / Specs
Standard Specifications & Related Drawings

Where can I find HCFCD standard specifications and drawings?

Harris County · Harris County Flood Control District
Request Project Review

External government and agency resources are provided for convenience. Requirements, forms and URLs may change. Confirm current requirements with the applicable jurisdiction. ALFA Engineering is not the issuing government agency.