Marin county planners approved plans a solar-powered, 15,240-square-foot estate on a Tiburon ridgetop, also known as Bluff Point.
Owners spent more than nine years and over one million dollars on consultants and over one million dollars in property taxes on an almost fifteen-acre parcel to build a mansion home on Bluff Point off Paradise Drive.
The Planning Commission approved the project last summer but hesitated at the impact of a driveway on heritage trees.
Property owners agreed to every recommendation made by their arborist and shifted the driveway and made other concessions as neighbors demanded. The proposed plan is a large house, has a large lot. It is only visible from the bay. It's an unusually large dwelling, but this is one of the few sites that can accommodate such a home.
The planning commission was "completely pleased" the applicant did precisely comply with all the request and requirements.
Property owners' willingness to abide by recommendations on arborist's study of 59 trees nearest the property line. Some neighbors feared that grading and other construction activity near their homes would harm the roots of trees planted in 1900 by John McLaren.
McLaren's classic "garden of trees" arboretum on the property is a regional historical resource now protected by a conservation easement.
It has been years off negotiation to build one of the biggest homes in Marin County along with a guest house and caretaker's cottage on a Bluff Point lot overlooking San Francisco Bay.
Plans show that this Tiburon estate will be a solar-powered, super-insulated and airtight under the county's new "build it green" system, and constructed to meet commercial standards, tripling its useful life. Solar voltaic and thermal panel system with geothermal temperature controls will power the skylight operation sensors and related high-tech marvels. Plans include a greywater recycling system for flushing and irrigation and charging stations for electric vehicles.
Construction using natural, renewable and some recycled materials would involve removal of 2,900 cubic yards of soil from the ridgetop. The project includes widening Paradise Drive just north of the property's entrance gate to promote cyclist and pedestrian safety and grading the embankment to improve sight distance for motorists.
The site, once zoned for 15 homes, is currently zoned for five.