
If you own a luxury estate in Marin County, your home likely contains dozens of critical systems, valuable assets, and vendor relationships. Yet much of this vital information probably lives in scattered places—email inboxes, contractor files, or filing cabinets. When you need the serial number for your HVAC system, the paint color for the guest…

If you own a luxury estate in Marin County or the greater Bay Area built or significantly renovated around 20 years ago, you may have noticed a costly pattern: home systems and appliances rarely fail alone. Your HVAC may struggle, the tankless water heater’s circuit board may need replacement, and once-cutting-edge integrated audio and video…