Plumbing and sanitary contracting is a focused MEP specialisation serving Dubai's construction sector. The UAE construction market sustains continuous demand for plumbing installation across residential developments, hotels, commercial buildings, and infrastructure projects. The global MEP services market is projected at USD 172.46 billion in 2025 at 6.78% CAGR through 2030,¹ with plumbing systems forming a critical sub-segment.

The HVAC and plumbing market specifically is forecast at USD 18.51 billion in 2025, growing to USD 26.02 billion by 2033.² Dubai's luxury residential and commercial properties demand high-end plumbing fixtures and skilled installation expertise, while large-scale developments need code-compliant sanitary systems at scale.

This licence focuses specifically on plumbing and sanitary work, narrower than the parent 4322 code which covers full MEP scope.

4322.92 - Plumbing & Sanitary Contracting

Under this activity, you are in the business of operating a licensed plumbing and sanitary contracting business, installing water supply systems, drainage and sewerage networks, sanitary fixtures, hot water systems, and pump systems for residential and commercial buildings.

Services are delivered under the relevant regulatory oversight with appropriate facilities, systems, and qualified personnel.¹

What Does the Plumbing & Sanitary Licence Cover?

•             Water supply systems: domestic and commercial water supply network installation.

•             Drainage and sewerage: waste water and sewerage system installation.

•             Sanitary fixtures: installation of bathrooms, kitchens, and commercial sanitary fittings.

•             Hot water systems: water heater and central hot water system installation.

•             Pump and pressurisation systems: booster pumps and pressurisation installations for high-rise buildings.

Who Is This For?

•             Plumbing contractors serving residential and commercial construction projects.

•             Sanitary fitting specialists for hotels, retail, and high-end residential.

•             Drainage and sewerage specialists for infrastructure and large developments.

•             Pump system installers for high-rise and mixed-use developments.

Activity Scope

This sub-activity covers plumbing and sanitary work only. HVAC, fire fighting, solar, and ventilation are covered under separate sub-codes within the 4322 family.

In short: if you install plumbing and sanitary systems, you are in. If you do HVAC, fire fighting, or full MEP scope, you may want sub-codes 4322.97/.98 or the parent 4322.

Licensing & Compliance

Standard free zone licensing applies. Plumbing work in mainland UAE requires coordination with mainland-licensed contractors. Compliance with Dubai Municipality and DEWA requirements applies for water and drainage connections.

Cost & Investment

Setup costs at Dubai South Business Hub start from approximately AED 12,500 to AED 22,000 per year for licence and office/warehouse package. Use the cost calculator for tailored pricing.

Setup Steps

1.          Verify name with company name check.

2.          Select Plumbing & Sanitary Contracting (4322.92) from the business activities directory.

3.          Choose office and warehouse package.

4.          Submit passport copies, MOA, and lease.

5.          Receive licence within 5 to 10 working days.

6.          Process visas for technical staff.

Why Dubai for Plumbing & Sanitary Contracting?

Dubai's construction pipeline, luxury residential market, and infrastructure expansion create sustained demand for skilled plumbing contractors. Free zones offer 100% foreign ownership and tax efficiency. Building code requirements and quality standards underwrite ongoing demand for professional plumbing services.

References

1.          Mordor Intelligence, Mechanical, Electrical and Plumbing Services Market: mordorintelligence.com/mep-services-market

2.          Cognitive Market Research, HVAC and Plumbing Market: cognitivemarketresearch.com

Frequently Asked Questions

What does this licence cover?

Installation of plumbing and sanitary systems including water supply, drainage, sanitary fixtures, hot water systems, and pump installations.

Can I do HVAC under this licence?

No, HVAC has separate sub-codes (4322.97/.98) or you can use the parent 4322 for full MEP scope.

How much does setup cost?

From AED 12,500 to AED 22,000 annually for licence and office/warehouse package.

Do I need third-party approval?

Standard free zone approval is typically sufficient. Mainland site work requires coordination with mainland-licensed contractors.

How long does setup take?

5 to 10 working days for licence issuance.

Can I install pump systems for high-rise buildings?

Yes, booster pumps and pressurisation installations are within scope.

Can I serve commercial and residential clients?

Yes, both market segments are within scope.

What facility space do I need?

Office plus warehouse for tools, parts, and inventory. Sized to project volume.

Can I sponsor staff visas?

Yes, visa quotas scale with facility package.

Is the licence renewable annually?

Yes, annual renewal is standard.

Can I add HVAC services later?

Yes, additional sub-activities or upgrade to parent 4322 at renewal.

Can a sole owner hold this licence?

Yes, 100% foreign ownership is permitted.

Can I serve clients across the GCC?

Yes, free zone licences allow regional invoicing