Case Studies
Measured water savings from LADWP-funded toilet retrofits across Los Angeles multifamily buildings. Every number is pulled from utility billing — no estimates, no projections. Zero cost to the property.
13,668 fixtures across 15 complexes
Ongoing portfolio-wide retrofit for GHP Property Management — including The Lorenzo, Medici, Orsini I/II/III, and Summit at Warner. Includes showerhead and aerator retrofits for compound water savings, all delivered at zero cost to the property.
Verified Billing Data Across Los Angeles
Three multifamily buildings, three independent retrofits, the same outcome — sustained 44% water reduction measured against 12 months of LADWP baseline billing.
Trusted by Property Managers Across Southern California
“A breath of fresh air. Clear communication throughout — a real professional partner for a project of this scale.”
Steve Christman · HD Supply
“Professional, thorough, and clean. Our residents barely noticed the installation was happening.”
Kerwyn Mabie · Decron Properties
“We’ve used Planet Optima across our entire SoCal portfolio. The consistency — same process, same crew quality, same zero-cost outcome — is why we keep coming back for every eligible property.”
Portfolio Director · IMT Residential
The Buildings and Brands That Trust Planet Optima
National multifamily owners, regional operators, and affordable housing groups across Southern California — from 10-unit walk-ups to 2,000+ unit institutional complexes.









Ready to Assess Your Building?
LADWP covers 100% of fixture and installation costs for multifamily buildings with 5+ units. A free 20-minute assessment identifies every program your building qualifies for — no obligation, no pitch.


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