Commercial & Industrial Gutters

Commercial Rain Gutters in Los Angeles

Heavy-duty gutter systems built for commercial properties.

From restaurants and storefronts to apartment buildings and industrial sites, RainAway designs and installs high-capacity gutter systems that protect your building, your tenants, and your bottom line.

Since 1978

Serving Los Angeles

Commercial & Industrial

Retail, restaurants, multi-family

High-Capacity Systems

6-inch K-style & box gutters

Free Estimates

Across Southern California

Why It Matters

More Than a Water Diversion System

Rain gutters are much more than a basic water diversion system in the commercial sector; they are an essential piece of infrastructure meant to safeguard large real estate assets. Unlike residential applications, which usually manage low water volumes, commercial buildings, with their large and frequently flat rooflines, produce substantial runoff. If it is handled poorly, that runoff can quickly jeopardize foundations, harm inventory, and destroy landscaping.

Meeting these demands takes larger, long-lasting systems, such as 6-inch box or K-style gutters made of heavy-duty aluminum or galvanized steel, designed for high capacity, longevity, and strict adherence to local building codes.

Key Benefits

Why Commercial Gutters Matter

A commercial gutter system does far more than catch rain. Here is what the right system does for your property.

Protect Your Commercial Assets

Your building is a major investment. A properly sized gutter system moves water off the roof and away from the structure, protecting the roof edge, fascia, siding, and everything inside from costly water damage.

Handling High Water Volume

Large and flat commercial roofs collect far more water than a house. High-capacity 6-inch K-style or box gutters, paired with oversized downspouts, keep up with heavy Southern California storms instead of overflowing.

Foundation Protection

Water that spills over gutters or dumps at the base of a wall soaks the soil around your foundation. Directing runoff away from the building helps prevent settling, cracking, and moisture problems below grade.

Enhanced Durability and Longevity

Commercial systems use heavier-gauge aluminum or galvanized and bonderized steel, secured with stronger hangers. Seamless runs fabricated on site have fewer joints, which means fewer leaks and less maintenance over the years.

Preventing Interior and Exterior Damage

Overflowing gutters stain walls, rot fascia boards, flood entryways, and can damage inventory and equipment inside. Good drainage also protects landscaping, parking areas, and walkways from erosion and standing water.

Ensuring Safety and Compliance

Water pouring onto sidewalks, entrances, and parking lots creates slip hazards for customers and staff. A well-designed system keeps walkways drier and is planned to meet local building code requirements for roof drainage.

Maintaining Professional Appearance and Property Value

Clean lines and factory-finished colors matched to your building give your property a polished, well-kept look that tenants and customers notice, and that supports long-term property value.

Our Work

Recent Commercial Projects

Seamless gutter installations on restaurants, storefronts, and multi-family buildings across Southern California. Click any photo to see a larger view.

Our Process

Assess Your Project

Every commercial system starts with a careful assessment. Here is how we plan a system that fits your building.

Determine Roof Area and Pitch

We measure the drainage area of each roof section and note its pitch. Steeper and larger roofs send water to the gutters faster, which sets the capacity the system needs.

Analyze Local Rainfall Data

Los Angeles gets most of its rain in a few intense storms. We size the system for peak rainfall intensity, not annual totals, so it keeps up when it matters most.

Select Gutter Type and Size

Most commercial buildings need 6-inch K-style gutters, while large flat roofs and parapet walls may call for box or custom gutters. Downspout size and spacing are matched to the load.

Choose Materials

Heavy-duty aluminum is light and will not rust; galvanized or bonderized steel adds strength and can be painted; copper offers a premium architectural look.

Plan the Slope

Gutters need a slight, consistent slope, commonly about 1/4 inch for every 10 feet, so water runs to the outlets instead of sitting and adding weight.

Compliance and Permitting

We plan the system to meet local building code requirements for roof drainage and coordinate with owners, property managers, and HOAs on any approvals.

Professional Execution

Our crews fabricate seamless runs on site, secure them with heavy-duty hangers, seal every outlet, and plan the work to keep disruption to your business low.

Flexible Payment Options

Financing Available

Spread the cost of your project with simple financing. Checking your options takes minutes.

1. Inquire

Does not affect your credit. Get same-day answers.

2. Get Prequalified

View instant loan options or speak with a loan consultant.

3. Verify

Securely upload some basic documents for loan verification.

4. Get Your Funds

Loan proceeds available within 48 hours of approval.

Service Area

Serving Los Angeles & Surrounding Areas

RainAway installs commercial gutter systems for businesses, property managers, and multi-family owners throughout Los Angeles, Ventura, Santa Barbara, and Orange Counties.

Planning a Commercial Project?

Talk to Our Commercial Team

Get a free assessment and estimate for your building. Serving Los Angeles and Southern California. Mon–Fri, 9am–4pm.