Beta — site is under development, information may contain errors. Read disclaimer

Ewa Beach Zoning & Land Use Guide

Data-only stub — facts unverified locally. Confirm with the planning department before relying on details.
Last updated: Verified:

What we have on file vs. what to verify locally

We don't have editor-verified zoning prose for Ewa Beachyet. Here's the structured data we do have, and the highest-leverage steps to confirm specifics for your parcel.

What we have on file

Population:
24,720
County:
Honolulu County
State building code:
2018 IBC with Hawaii amendments(statewide default)
State ADU law:
Yes — Act 39 (SB 3202, 2024), signed May 28, 2024, requires Hawaii counties to adopt or amend ordinances allowing at least two ADUs on all residentially zoned lots no later than December 31, 2026.
FEMA flood map:
Search flood zones
Municipal code:
View code online

Verify these locally

  • Call the City & County of Honolulu Department of Planning and Permitting: (808) 768-8000
  • Search the municipal code for the chapter that covers your zoning district and proposed use.
  • Use the city zoning map to look up your parcel's zoning designation before applying for a permit.
  • Check FEMA flood zone for your parcel — flood-zone status changes setbacks, foundation requirements, and insurance.
  • Check your HOA CC&Rs and recorded deed restrictions — they are common in Ewa Beach and frequently restrict ADUs, fences, and exterior changes beyond what zoning allows.

Key Zoning Facts

Building Code Edition
2018 IBC with Hawaii amendments
ADUs Allowed
Yes

Regulatory Layers That Apply in Ewa Beach

Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.

Federal

State — Hawaii

  • Building Code: Hawaii State Building Code (2018 IBC)
View Hawaii zoning overview

County — Honolulu County

    City / Municipal

    The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.

    Overlay Districts

    No overlay districts identified.

    Private Restrictions

    • HOA / CC&Rs common: Yes
    • Check HOA CC&Rs for additional restrictions. Many Ewa Beach communities have active HOAs.

    Statewide Context (Hawaii)

    Local data for Ewa Beach is limited. The following state-level facts apply across Hawaii and are inherited by this page until city-specific details are verified.

    State Building Code
    2018 IBC with Hawaii amendments
    State ADU Preemption
    Yes — state law overrides local rules
    Coastal Zone
    Yes
    Wildfire Zones
    No

    ADU Rules in Ewa Beach

    ADUs:Allowed
    Max Size
    800 sq ft
    Max Height
    25 ft
    Rear Setback
    5 ft
    Side Setback
    5 ft
    Parking
    1 off-street space required
    Owner Occupancy
    Owner must occupy either the primary or accessory dwelling
    Permit Timeline
    60-90 days

    Permit Costs & Timelines

    Permit Costs & Timelines

    Specific permit fee schedules for Ewa Beach are available from the local planning department. Fees vary based on project type, scope, and valuation.

    Check Ewa Beach permit fees →

    Official Sources

    City-specific