Environmental Documents Released for 100,000 SQFT Addition to CSBio Campus in Menlo Park

CSBio, DGA Planning Architecture and Interiors, 1075 O’Brien, Menlo Park, Tarlton Properties, Menlo Business Park, Menlo Park Labs
Courtesy of DGA

By Meghan Hall

Peptide and instrumentation manufacturing company CSBio is making progress on its proposed project at 1075 O’Brien Drive and 20 Kelly Court, which endeavors to demolish an aging commercial asset and rebuild a new, 100,000 square foot building in its place. If approved, the project would help to expand CSBio’s presence in Menlo Park. 

The current buildings on the property–which also serve as CSBio’s U.S. headquarters– total  52,109 square feet in size, and the project site totals about 2.27 acres, according to public records. Current iterations of the project plans show that only portions of these assets would be demolished to make way for the new development.

The new, seven-story building will include both office and R&D space on O’Brien, while a new, five-story parking structure of up to 276 stalls would also be constructed. The two structures would be connected via an elevated pedestrian bridge. The project would include a 9,869 square foot restaurant on the ground floor, as well as 20,232 square feet of open space. 9,908 square feet of that open space will be made publicly available. Private outdoor space includes a rooftop garden, landscaping and circulation pathways.

The design of the building will be able to accommodate either a single R&D and life science tenant or multiple tenants, including office tenants in up to 36,956 square feet, project documents state. Additionally, 3,500 square feet of new hazardous materials storage and a utility yard are proposed.

The project is designed by DGA Planning Architecture and Interiors.

City staff are currently evaluating the project proposal and an initial study and environmental impact report have been released. The Menlo Park Planning Commission intends to conduct a study session on the evolving plans at a September 13th meeting, according to public records. The City Council initially authorized work to begin on the EIR in June of 2020.

The project was originally proposed in 2017 and has since undergone two previous Planning Commission study sessions. At the last study session, in August of 2019, the Planning Commission and community provided feedback on the project. During the meeting, the project team was asked to remove the proposed heliport, relocate the restaurant to the ground floor and reduce the size of the parking garage.

Once approved, construction would take place over the course of about 16 months. Prior to development, however, a number of approvals are still required. The project team must secure an amended and restated conditional development permit, as would a below-market-rate housing agreement and final environmental review. City documents do not disclose potential timing for the remainder of the entitlements process.

The project is not the only one underway in the neighborhood. Developer Tarlton Properties is working to refine its proposal for a five story R&D project just next door at 1065 O’Brien. The development site consists of two parcels where Tarlton intends to construct a 131,285 square foot building as well as additional parking for the development.

Both projects are located within the greater Menlo Business Park, which is home to a number of companies. Those with offices nearby include Facebook, who occupies four buildings in the area, as well as PacificBiosciences (PacBio), Personalis and AccuraGen Inc. Menlo Park Labs, also nearby, has become a popular spot for scientists and researchers in the area. The 1.7 million square foot hub spans 18 buildings and more than 50 acres.

As of this writing, DGA had not yet returned The Registry’s request for comment.

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