85 Fagan Drive, HILLSBOROUGH, CA 94010 (MLS # ML82027215)
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*BRAND NEW ADU UNDER CONSTRUCTION, STARTED FEB 2026 W/ FRAMING ALREADY COMPLETED* THIS TROPHY HOME IS A ONE-OF-A-KIND MODERNIZED SMART-HOME MANSION! THE IMPOSSIBLE WAS DONE W/ THESE MULTI-MILLION DOLLAR RENOVATIONS! This magnificent estate perfectly integrates timeless architecture with a modern interior, with all top-of-the-line amenities. An estate fit for royalty! Interior with 100s of recessed smart lighting, smart thermostats with multi-zone air conditioning, motorized hunter Douglas, & Sonos speakers throughout; all controlled via smart phone. BRAND NEW & MODERNIZED KITCHEN & 8.5 NEW BATHROOMS. Features include 8 new HVACs, majestic stained-glass windows, artisan stone grand fireplaces, high ceilings, elegant living room, multiple en-suites, maids quarters with a full kitchen, separate entrances, all windows w/ an extra layer of glass, guest parking for 30+, etc. *JUST INSTALLED A NEW POWERFUL GENERATOR FOR THE ENTIRE HOUSE! NO NEED TO WORRY ABOUT PG&E & ANY POWER OUTAGE. PLUS 2 NEW 50 AMPS PLUG READY FOR YOUR ELECTRICAL CHARGER*. Plus enjoy the ability to be able to walk to downtown and get access to some of Northern California's best schools. THIS IS THE BEST OF THE BEST! (Adjacent lot at 90 Fagan Dr also for sale)
| LAST UPDATED | 3/16/2026 | YEAR BUILT | 1917 |
|---|---|---|---|
| COUNTY | San Mateo | STATUS | Active |
| PROPERTY TYPE(S) | Single Family |
| PRICE HISTORY | |
| Prior to Mar 16, '26 | $29,900,000 |
|---|---|
| Mar 16, '26 - Today | $28,880,000 |
| ADDITIONAL DETAILS | |
| AIR | Central Air, Zoned |
|---|---|
| AIR CONDITIONING | Yes |
| APPLIANCES | Exhaust Fan, Other, Range, Refrigerator |
| BASEMENT | Finished, Yes |
| EXTERIOR | Balcony, Courtyard, Other |
| FIREPLACE | Yes |
| HEAT | Central, Forced Air |
| INTERIOR | Beamed Ceilings, High Ceilings, Kitchen Island, Master Downstairs, Pantry, Vaulted Ceiling(s), Walk-In Closet(s) |
| LOT | 2.18 acre(s) |
| LOT DESCRIPTION | Back Yard, Other |
| LOT DIMENSIONS | 94961.00 |
| PARKING | Other, Common |
| SEWER | Public Sewer |
| STYLE | Tudor |
| UTILITIES | Cable Available |
| VIEW | Yes |
| VIEW DESCRIPTION | Forest |
| WATER | Public |
| ZONING | NEC |
The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the MLSListings™ MLS system. All real estate listings in the MLSListings MLS system are marked with the MLSListings Internet Data Exchange icon (a stylized house inside a circle), and detailed information about them includes the names of the listing brokers and listing agents.
Based on information from MLSListings MLS as of 3/21/26 1:49 AM PDT. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Copyright 2026 MLSListings Inc. All rights reserved.
This IDX solution is (c) Diverse Solutions 2026.
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