Updated plans have been filed for the mixed-use redevelopment of the former United States Geological Survey agency campus at 345 Middlefield Road in Menlo Park, San Mateo County. New renderings have been published showing slight modifications to the expansive project, reshaping the office grounds with housing, public parks, and retail. Presidio Bay Ventures is the developer and applicant responsible for the development.

345 Middlefield Road pedestrian view from the amenity pavilion looking into Redwood Meadow, rendering by Gensler

345 Middlefield Road offices, rendering by Gensler
The full build-out will include four commercial buildings rising to five or six floors, three seven-story residential buildings, and roughly three acres of public open space. Shops and amenity spaces will be spread between Building E, a sports court, and a two-story pavilion. The retail area will include space for two restaurants and a cafe facing the central 1.5-acre Redwood Meadow.
Across the eight structures, 345 Middlefield will yield approximately 779,050 square feet of housing, 713,000 square feet of commercial office space, 43,000 square feet for amenities/retail, 10,800 square feet for an on-site childcare center, and an eye-watering 1.5 million square feet of parking. The campus will include commercial parking for 1,751 cars, residential parking for 805 cars, and additional parking for 1,259 bicycles.
Unit sizes will vary across the three structures with ten studios, 345 one-bedrooms, 188 two-bedrooms, 46 three-bedrooms, and 81 townhouse-style units. Of the 670 units, 118 will be deed-restricted as affordable.

345 Middlefield Road site plan, illustration by Gensler

345 Middlefield Road pedestrian view from the Middlefield Road entrance, rendering by Gensler

345 Middlefield Road facing Residential Building E, rendering by Gensler
Gensler will oversee the project’s architecture, with Gehl responsible for the masterplan design and RG-Architecture focusing on residential architecture. Studio MLA will oversee landscape architecture.
Renderings show that the overall massing and aesthetic have remained similar to the initial plans, while the materials and palettes across all structures have shifted significantly towards warmer, more natural tones that complement the property’s redwood trees. The residential exteriors will be clad with travertine tiles, brick veneer, cast-in-place concrete, and warm-toned metal panels. The offices will include terracotta panels, silver metal, copper-tone metal, and mass timber.

345 Middlefield Road facing the neighborhood plaza between residential buildings C and D, rendering by Gensler

345 Middlefield Road children’s playground, rendering by Gensler

345 Middlefield Road aerial view of the neighborhood context, illustration courtesy Presidio Bay Ventures
The landscaping plan will integrate several pocket parks, a dog park, and larger plazas between the pedestrian paths, internal streets, and the buildings. The landscaping near housing places greater emphasis on gathering and entertainment, whereas the open space around the offices focuses on movement and outdoor dining. Two larger lawns will serve as the neighborhood anchors.
The 17.75-acre property is positioned along Middlefield Road directly across from the Saint Patrick’s Seminary & University Campus. The property abuts the current SRI International Headquarters, another sprawling office campus where Lane Partners plans a major mixed-use redevelopment. The proposed high-density development for 80 Willow Road is just a ten-minute walk down Middlefield Road, and Menlo Park Caltrain Station is 20 minutes away on foot or nine minutes by SamTrans bus.
The estimated cost and timeline for construction have yet to be shared, though the price tag could easily exceed $1 billion.
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