Perched in a serene Howell Mountain setting surrounded by vineyards and graceful olive trees, this exceptional estate evokes the ambiance of a private resort retreat. The impeccably maintained grounds are framed by mature fruit trees and thoughtfully curated landscaping, creating a tranquil Napa Valley escape. Inside, the main residence features soaring vaulted ceilings, expansive windows that capture the natural beauty beyond, and an inviting living room filled with light. The remodeled kitchen offers handsome oak cabinetry, updated countertops, and seamless flow into the dining area and adjacent family room with a charming wood stove. A private upper-level suite provides flexible living with its own living room, bedroom, and kitchenette ideal for guests or extended stays. Adjacent to the oversized two-car garage with abundant storage is a separate studio complete with a private bath. The property also includes a second residence (ADU), built in 1989, featuring vaulted ceilings and a spacious, light-filled design. A short staircase leads to the expansive primary suite with an adjoining office, walk-in closet, and ensuite bath. The lower level offers an additional bedroom, full bath, and garage, while a separate single-car garage is positioned on another level for added convenience. Additional amenities include three well-organized storage buildings for tools and property supplies, plus a covered car canopy ideal for RV parking or additional vehicles. Water resources include a shared well with an adjoining neighbor producing approximately 2 gallons per minute with a 5,000-gallon shared storage tank and a 706 gallon shared pressure tank. Additionally a private 1500-gallon private non-potable vinyl tank designed to be used for gardening and fire suppression which is filled by rain water which serves the primary residence . An additional one-acre parcel adjacent to the homesite further enhances the possibilities of this remarkable offering. A rare Howell Mountain compound offering privacy, versatility, and the essence of Wine Country living best experienced in person to fully appreciate all this extraordinary estate has to offer.
Single-familyProperty Type
1956Year Built
3.07 acresLot Size
$477Price/Sq.Ft.
2 garage spacesParking
Listed by Jeff Veness•DRE #01486001• Vintage Sotheby's International Realty
Howell Mountain, located between Angwin and St. Helena, is a rural and wine-country Angwin neighborhood with forested ridgelines and vineyard roads. The character concentrates along Howell Mountain Road near the Angwin Plaza area, where tasting rooms, a market counter, and porch-side conversations set the pace. Homes range from secluded cabins and ranch-style properties to contemporary vineyard estates tucked behind oaks and madrone. The landscape shifts from sunlit vine rows to shaded trailheads, with long views toward the Napa Valley floor. Landmark wineries such as Dunn Vineyards, O'Shaughnessy Estate Winery, and Robert Craig Winery act as cultural anchors for the mountain.
Provided by Walk Score and Local Logic
Property details
Interior
Exterior
Finance
Kitchen
Bathroom
Bedroom
Living
Dining
Interior features
Cathedral ceiling
Formal entry
Three fireplaces (brick, includes wood stove)
Skylights
Bedrooms
4 bedrooms total
Primary suite with walk-in closet
Bathrooms
4 bathrooms total (3 full, 1 partial)
Primary bathroom with double sinks and walk-in closet
Kitchen
Concrete countertops
Skylight(s)
Laundry & utility
Washer included
Dryer included
Flooring
Carpet
Tile
Heating & cooling
Central heating
Natural gas heating
Fireplaces for supplemental heat
No central cooling
Exterior features
Private, secluded setting
Automatic sprinkler front and rear
Spa / personal hot tub
Home design
Single family residence
Two stories
Accessory dwelling unit (ADU) / second unit on site
Residential property
Parking
Detached garage with 2 spaces
Garage door opener
Garage facing front
Space for RV or RV storage
Total parking for 10 vehicles
Construction
No basement
Utilities
Natural gas connected
Septic system
HOA & community
No homeowners association
Electricity and solar
View estimated energy costs and solar savings for this home
The AW district classification is intended to be applied in those areas of the county where the predominant use is agriculturally oriented, where watershed areas, reservoirs and floodplain tributaries are located, where development would adversely impact on all such uses, and where the protection of agriculture, watersheds and floodplain tributaries from fire, pollution and erosion is essential to the general health, safety and welfare.
Permitted uses
Include but are not limited to:
Agriculture
Housing-Single unit
Housing-Senior
Housing-Other
Office
Recreation
Communications tower
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
6/10 Fire Factor
8% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 95° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
28 unhealthy days expected this year, 28 days in 30 years
Provided by First Street
Historical weather
Angwin, CA • 94508
Average low and high temperatures (°F)
57
41
57
41
65
46
64
45
73
49
79
52
80
53
85
57
81
55
72
51
58
44
55
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
94/ 100
Exceptional sunlight
Sunscore
There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.9 hrs
6.6 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 625 - 629 Hill Rd
$1,098,005
$51K under list price of $1.15M
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $669K to $2.1M.