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OHOH PROPERTY─ MAINTENANCE

The OH facilities operations playbook.

Plain-English guides written by the CSLB-licensed operators who actually do this work — for property managers, asset managers, HOA boards, and chief engineers across Southern California.

─ Cornerstone guides

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HVAC

9 min · Updated Apr 2026

How often should commercial HVAC be serviced? A SoCal facility manager's guide

Quarterly is the right baseline for most SoCal commercial HVAC, but climate zone, equipment age, and tenant mix change the answer. Here's the cadence that actually keeps tenants comfortable and Title 24 compliant.

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Janitorial

8 min · Updated Apr 2026

How often should a commercial building be cleaned? Frequency by property type

There is no single "clean enough" cadence — Class-A office, medical, and warehouse all need different programs. Here's the frequency benchmark by property type, plus the day-porter vs night-crew tradeoff.

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Plumbing

10 min · Updated Apr 2026

Commercial plumbing preventative maintenance: the SoCal annual checklist

A real commercial plumbing PM program is more than "check for leaks." Here's the annual checklist we run for SoCal Class-A, medical, and HOA portfolios — including the line items most vendors skip.

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Landscaping

11 min · Updated Apr 2026

AB 1572 turf conversion: what California commercial landscapes need to do by 2027

AB 1572 phases out potable irrigation on "non-functional turf" at commercial properties — most institutional and HOA owners are subject by 2027. Here's what the law actually requires and how to plan the conversion.

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Restoration

9 min · Updated Apr 2026

Commercial water damage: the first 24 hours that decide your loss

The difference between a $40K loss and a $400K loss is almost always what happens in the first 24 hours. Here's the IICRC S500 framework an asset manager can run before restoration even arrives on site.

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