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Study session on Sebastiani winery vision draws heavy public turnout and major concerns about traffic, fire safety and zoning
Summary
Consultant JJ Abadilli presented a conceptual mixed‑use vision for the Sebastiani property — preserving vineyards, historic buildings and adding housing and a hotel — but neighbors voiced strong concerns about evacuation, traffic, creek setbacks, and the implications of changing land‑use designations; the commission took no formal action and staff said the general‑plan EIR will assume mixed‑use scenarios in its analysis.
The Planning Commission spent the bulk of the meeting on a study session about a conceptual mixed‑use vision for the Sebastiani winery property, hearing a detailed presentation from consultant Jerjo ("JJ") Abadilli and more than two hours of public comment that raised traffic, evacuation, water, historic preservation and zoning concerns.
Abadilli framed the concept as a preservation‑forward vision that would keep key historic structures and vineyards while adding housing and carefully scaled hospitality uses. He told the commission the plan emphasizes stewardship and long‑term financing for upkeep: "Historic preservation requires economic vitality," Abadilli said, and described discussions with the Sonoma Land Trust about possible perpetual conservation easements for vineyard parcels.
Details presented: The conceptual plan shows a mix of single‑family homes, townhomes and multiunit housing, with roughly 11 units per acre (about 0.6 FAR by the applicant's calculation) on an assumed five‑acre parcel for the residential component. Abadilli said many existing winery buildings — nearly 200,000 square feet of space today — would be preserved and reused, and that a hotel/hospitality component was envisioned at lower intensity than a convention center. He also outlined an idea to maintain vineyards and create pedestrian and bicycle connections through green spaces and the bike path corridor.
Public concerns were strongly expressed. Elizabeth Sealy, who owns Sealy Mission Vineyard adjacent to the site, warned the commission the neighborhood is quiet and that "if you look at 2 cars per unit, you're going to add 104 cars" to 4th Street East. Several speakers representing neighborhood fire‑safety groups stressed evacuation limits on single‑lane roads and a one‑lane bridge on 4th Street East, and urged a much more cautious approach before any rezoning.
Staff and commission discussion about process: Community development staff told the commission the general‑plan environmental impact report (EIR) is being prepared for the broader general‑plan update and will include assumptions about mixed use in certain parcels; staff emphasized a site‑specific project would still require separate environmental and technical studies (traffic, drainage, cultural resources) at the application stage. One staff member said the agricultural parcels had been separated in the council’s direction and would remain agricultural in the draft general plan, while parcels currently labeled wine production and mixed‑use would be included in the EIR analysis.
Why it matters: Sebastiani is a large, centrally located property that has been part of Sonoma’s economic and cultural landscape for decades. Changing land‑use designations at the general‑plan level could permit multiple future projects; residents urged the commission to preserve guardrails, complete technical studies and consider designating the parcel a special planning area rather than adopting broad mixed‑use zoning now.
Outcome: No formal action was taken. The commission used the session to gather public input and to advise staff; staff said a draft general plan and the associated EIR will be released for public review (with staff aiming for documents to be available before the end of summer). Commissioners expressed divergent views about whether the study session was premature but welcomed the public engagement and the opportunity to see a visual concept.
Next procedural step: The general‑plan draft and EIR will be posted for public review when available; any concrete project proposal for the Sebastiani property would trigger site‑specific environmental review and conditions should it advance to permitting.
