631-633 Sunnyside Road, St. Helena, CA

$185,000

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20,390

Square feet

0.47

Acres

About 631-633 Sunnyside Road

Unique Napa Valley opportunity with panoramic, never-to-be-blocked vineyard and valley views just minutes from town. This approx. half-acre lot sits above a seasonal creek and waterfall with a walking path, and offers space for septic expansion. Zoned MF 2-5, it allows flexibility for multiple units or modular/container builds. Two legal addresses, separate PG&E meters, and St. Helena Hospital water service. Over 200 feet of road frontage create a private compound feel. Under Napa County's Fire Rebuild Ordinance (FRO), enjoy exceptional benefits with permits to replace two dwellings (approved application for 2 bldg permits), 50% off permit and inspection fees, grandfathered septic hookup, no new setbacks, and the ability to build up to 25% larger with final design plans due by March 29, 2026. A rare mix of flexibility, opportunity and that true Napa Valley sense of place.

Features of 631-633 Sunnyside Road

MLS® # 325097964
Price $185,000
Square Footage 20,390
Acres 0.47
Type Land
Status Active

Community Information

Address 631-633 Sunnyside Road
Area Deer Park
City St. Helena
County Napa
State CA
Zip Code 94574-9759

Amenities

Utilities Sewer Available, Water Available, Water Connected

Exterior

Lot Description Stream Seasonal

Listing Map

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Listing courtesy of Kathleen Spadarotto of Sotheby's International Realty

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Listing information last updated on January 14th, 2026 at 4:31pm CST.