Lafayette design panel recommends denial of 6-story, 30-unit Mount Diablo mixed-use project
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Summary
The Design Review Commission recommended denial of a proposed six-story, 30-unit mixed-use development at 3458 Mount Diablo Boulevard, citing excessive height, massing along the Mount Diablo frontage, and insufficient landscaping despite staff noting state density-bonus eligibility and design revisions.
The Lafayette Design Review Commission on Thursday voted to recommend denial of a proposed six‑story mixed‑use building at 3458 Mount Diablo Boulevard, citing concerns about height, street-facing massing and insufficient landscaping.
Staff presented the project as a request for state density-bonus entitlements and related waivers. The .64‑acre site in the C‑1 zoning district would replace an existing 4,790‑square‑foot commercial building with a six‑story structure rising 62 feet 3 inches. The project proposes a two‑story parking podium and four residential levels above, for a total of 30 condominium units (27 market‑rate, 3 below‑market‑rate) and 55 parking spaces. Staff said the proposal qualifies for a 27.5% state density bonus, which yields an allowable 31 units; the applicant is proposing 30.
Monica (staff) summarized design changes since a May study session: a net reduction from 31 to 30 units, expanded landscape areas, added ground‑floor commercial frontage on Mount Diablo Boulevard and upper‑level stepbacks intended to reduce perceived bulk. Staff also outlined two stormwater treatment options: Option 1 places treatment facilities along 2nd Street and uses gravity (staff’s preferred option); Option 2 places them on Mount Diablo Boulevard, removes two parking spaces and would require mechanical pumps.
Commissioners praised aspects of the revised design — including ground‑floor activation and concealed podium treatment — but repeatedly flagged unresolved problems. Multiple commissioners described the Mount Diablo frontage as failing to step back and said the building "looms" over the street; they called the podium expression "blocky" and said the proposed planting strips and crepe myrtle trees would be insufficient to soften the massing.
Developer Nikhil Yera said the project targets buyers leaving single‑family homes and emphasized a partnership model for stormwater planters that gives the city partial credit for runoff treatment while the developer constructs the features. The applicant’s architect (Goodes Frank) described material choices including composite wood siding, cement board panels and finely corrugated metal as vertical accents intended to break massing.
Staff noted constraints under state density‑bonus law and advised caution about continuances because the city is limited in the number of hearings for this project type. Commissioners discussed two procedural paths: (1) condition changes and require them before the project moves forward, or (2) recommend denial with clear reasons for the record. The commission chose the latter, moving a resolution recommending denial and listing primary reasons: excessive height and massing, lack of adequate setback along Mount Diablo Boulevard, insufficient landscaping to mitigate bulk, and a character that, in the commissioners’ view, does not fit Lafayette’s semi‑rural identity. The motion was seconded and approved by the commission in the meeting record; the transcript records voice votes and an abstention/absence noted in roll call but does not provide a clean member-by-member tally.
