Rainwater Installer Directory 1 Specialist Listed

Rainwater Harvesting Installers in Los Angeles, California

Leading rainwater harvesting installers in Los Angeles, California.

Rainwater planning estimate

Collection potential and storage target

Estimate annual roof collection separately from the storage needed to cover your chosen daily demand and reserve period.

Roof catchment area (sq ft) State or territory Annual rainfall (inches) Statewide historical averages are starting estimates. Enter a verified local value when available. Runoff efficiency Intended use Planned daily demand (gallons) Desired reserve (days)

Collection formula: roof area × annual rainfall × 0.6233 × runoff efficiency. Storage target: daily demand × reserve days. This screening estimate does not model monthly droughts, tank overflow, local roof geometry, water quality, permits, or structural requirements. Rainfall source: NOAA National Centers for Environmental Information, U.S. Monthly Climate Normals, 1971-2000; verified 2026-09-14.

Featured Installers in Los Angeles

Provider details are shown with their evidence status. Verify licensing, insurance, and scope directly before hiring.

Fire Protection Tanks

10880 Wilshire Blvd Suite 1101, Los Angeles, CA 90024

Source review pending

Credentials reported by provider:

NFPA22, AWWA, CBC2016, NSF 61

Independent source verification pending.

Core Services

Storage tanks Potable water tanks Fire protection water storage tanks Fire suppression tanks Poly tanks +10 more

Service Area: California, Oregon, Washington, Idaho, Utah

Call (213) 286-3380 Visit Website

Need guidance? Read our 10-question contractor vetting checklist →

E-E-A-T Hiring Advice

4 Essential Questions to Ask Before Hiring a Rainwater Installer

Rainwater harvesting involves structural engineering, filtration, and plumbing compliance. Before signing an installation contract, ensure your contractor addresses these key items:

Professional Credentials: Are they ARCSA Accredited Professionals (AP) or licensed plumbers certified in backflow prevention?
Pre-Filtration Sizing: What micron rating and first-flush diversion volume are they designing to prevent gutter sludge from reaching storage?
Tank Specifications: Are storage containers opaque, UV-stabilized, and certified to NSF/ANSI 61 if utilized for indoor or potable use?
Permits & Rebates: Will the contractor pull required municipal plumbing permits and submit utility rebate paperwork on your behalf?

Read our complete 10-question installer hiring guide & cost breakdown →