Kerala CRZ

Kerala Coastal Zone Management Authority

CRZ
Kerala CRZ map

Overview

The Kerala CRZ layer plots the Coastal Regulation Zone footprint along Kerala's 580 km coastline and the connected backwater system, governed by CRZ Notification 2019 (G.S.R. 37(E)) with amendments up to 24 November 2022. The Kerala Coastal Zone Management Authority (KCZMA), under the Department of Environment and Climate Change, is the regulatory body. The 2019 CZMPs for all 10 coastal districts were approved by MoEFCC in November 2024, making Kerala one of only four states with an approved CZMP under CRZ 2019, alongside Odisha, Karnataka, and Maharashtra, reducing total NDZ (No Development Zone) area in Kerala from 239.431 sq km under CRZ 2011 to 108.397 sq km. This page shows what falls inside CRZ-I, II, III A, III B, and IV across Thiruvananthapuram to Kasaragod.

Regulatory Red Flags After the Maradu Demolition

Kerala is the only state in India where the Supreme Court has actually ordered apartment demolitions for CRZ violations. The Maradu CRZ violation case (Supreme Court order 8 May 2019) ended with four occupied apartment complexes in Kochi imploded on 11-12 January 2020. The court rejected the builders' argument that the area was CRZ-II under the draft 2011 CZMP, holding that the 1996 KCZMP classifying Maradu as CRZ-III was the operative plan when permits were issued.

The fact-pack on what each zone permits in Kerala, drawn from CRZ Notification 2019 and the 1996/2019 CZMPs.

CRZ-I A

Permitted Use

Mangroves, sand dunes, turtle nesting, Vembanad CVCA

Requires CRZ Clearance?

No new construction; only utility

Prohibited Without?

Any building

Commonly Misrepresented?

Sold as "lakefront resort plots"

CRZ-I B

Permitted Use

Inter-tidal between LTL (Low Tide Line) and High Tide Line

Requires CRZ Clearance?

Salt works, pipelines only

Prohibited Without?

Houses, resorts

Commonly Misrepresented?

Marketed as "beachfront"

CRZ-II

Permitted Use

Built-up urban municipal areas (66 panchayats added in 2019 CZMP)

Requires CRZ Clearance?

Yes, on landward side

Prohibited Without?

Construction on seaward side

Commonly Misrepresented?

Confused with CRZ-III rural

CRZ-III A

Permitted Use

Densely populated rural; NDZ 50 m from HTL (High Tide Line) (37 panchayats in Kerala)

Requires CRZ Clearance?

Beyond NDZ only

Prohibited Without?

Construction inside 50 m

Commonly Misrepresented?

Quoted as "approved layout"

CRZ-III B

Permitted Use

Sparse rural; NDZ 200 m from HTL

Requires CRZ Clearance?

Beyond NDZ only

Prohibited Without?

Anything inside 200 m

Commonly Misrepresented?

Sold without disclosure

CRZ Backwater Islands

Permitted Use

HTL to 20 m landward

Requires CRZ Clearance?

Limited dwellings only

Prohibited Without?

Resorts, multi-storey

Commonly Misrepresented?

Sold as "private island plots"

CRZ-IV B

Permitted Use

Backwaters and tidal water bodies

Requires CRZ Clearance?

Fishing only

Prohibited Without?

Reclamation, dwellings

Commonly Misrepresented?

Sold as "houseboat plots"

If a builder shows you a panchayat permit but no KCZMA recommendation, treat it the way the Supreme Court treated Maradu: void from the start. The 1996 KCZMP remained operative for clearance decisions until the 2019 plans were notified, and many disputed parcels still get adjudicated against the older map. The No Development Zone (NDZ) stacks on top of any local Town and Country Planning approval.

Growth Corridors Around Kochi, Vembanad and the Malabar Coast

Kerala's coastal property market splits into three personalities. The Kochi-Ernakulam axis is mostly CRZ-II urban with selective backwater CRZ-IV B exposure. The Vembanad backwaters Kochi to Alappuzha stretch is a Critical Vulnerable Coastal Area (CVCA) with the strictest restrictions. The Malabar coast (Kozhikode, Kannur, Kasaragod) is mixed CRZ-III A and III B, where the CZMP 2019 Kerala has reclassified 37 panchayats from CRZ-III B to III A, reducing NDZ from 200 m to 50 m.

The corridors most asked about, mapped against CRZ classification under the 2019 CZMP.

Maradu, Kochi (Chilavannoor lake)

Zone (Kerala CZMP 2019)

CRZ-II under 2019; CRZ-III in 1996 plan

Growth Driver

Urban redevelopment

Known Risk

Pre-2019 permits still litigable

Marine Drive, Kochi

Zone (Kerala CZMP 2019)

CRZ-II + CRZ-IV B

Growth Driver

Premium waterfront

Known Risk

Reclamation history scrutinised

Vembanad lake, Alappuzha

Zone (Kerala CZMP 2019)

CVCA + CRZ-I A

Growth Driver

Houseboat tourism

Known Risk

Blanket restriction; private builds blocked

Kovalam, Thiruvananthapuram

Zone (Kerala CZMP 2019)

CRZ-III mix

Growth Driver

Tourism, leisure

Known Risk

NDZ enforced; Hazard line marked

Bekal, Kasaragod

Zone (Kerala CZMP 2019)

CRZ-III + CRZ-I sand dunes

Growth Driver

BTDC (Bekal Tourism Development Corporation) tourism push, fort

Known Risk

Dune buffer locks parcels

Kannur airport ribbon

Zone (Kerala CZMP 2019)

CRZ-III B fringe

Growth Driver

Connectivity, NRI demand

Known Risk

Fringe parcels misquoted as "outside CRZ"

Backwater islands (Kumarakom, Vypin)

Zone (Kerala CZMP 2019)

20 m CRZ from HTL

Growth Driver

Resort, second home market

Known Risk

20 m island rule; no relaxation

The most misunderstood corridor is the Vembanad backwater belt. Buyers see houseboats and tourism activity and assume resorts are unlocked. Vembanad is a Critical Vulnerable Coastal Area listed in CRZ Notification 2019 itself, with CRZ-I A status across mangrove and Pokkali stretches. Private resort approvals here face both KCZMA clearance and CVCA-specific restrictions, and post-Maradu the courts treat panchayat permits in this belt with deep suspicion.

Data Source & Verification

Source

Official Kerala Coastal Zone Management Authority documents

Official Website

kczma.kerala.gov.in

Coordinate Reference System

EPSG:4326 (WGS 84)

Geometry Type

Polygon / MultiPolygon

Data Format

Vector (GeoJSON) + Raster Tiles

Last Verified

May 2026

Status

Active

Disclaimer: Alignment and corridor information shown here is indicative. Users should verify details with Kerala Coastal Zone Management Authority and the relevant state authorities before any transaction or investment decision.

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