AUCTION: Bidder registration deadline: 24 November. Starting bids expected between $1M-$2M.Known as Sweeney Canyon Riverside Estate, this Mediterranean-inspired residence occupies 49 private acres in the heart of the Santa Rita Hills with approximately 1,400 feet of Santa Ynez River frontage and sweeping valley views. Built in 2012 with steel and I-beam framing, the home is framed, plumbed, and ducted with an active building permit in place, ready to be completed to a new owner's vision. The plan includes a dramatic two-story foyer, five fireplaces, an elevator shaft serving four levels, and an expansive daylight basement with roll-up doors. Once home to the acclaimed Sweeney Canyon Vineyard Chardonnay, the land offers approximately 35 usable acres and two wells, suited to an estate vineyard, equestrian ranch, or boutique hospitality concept. Property and opportunity details provided by seller or others; buyer to verify.
New construction
Price cut: $455K (9/6)
$3,195,000
4375 Sweeney Rd, Lompoc, CA 93436
7beds
7,476sqft
Single Family Residence
Built in 2012
49.16 Acres Lot
$-- Zestimate®
$427/sqft
$-- HOA
What's special
Mediterranean-inspired residenceTwo wellsSteel and i-beam framingDramatic two-story foyerFive fireplacesSweeping valley views
- 373 days
- 567
- 17
Zillow last checked:
Listing updated:
Listed by:
Allan S. Jones DRE#: 00984793 805-688-5717,
Santa Ynez Valley Real Estate,
Shane King DRE#: 02061150 805-252-6755,
Santa Ynez Valley Real Estate
Source: North Santa Barbara County MLS,MLS#: 25002159
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 7
- Bathrooms: 9
- Full bathrooms: 8
- 1/2 bathrooms: 1
Dining room
- Features: Formal/Separate
Heating
- None
Cooling
- None
Features
- Number of fireplaces: 5
- Fireplace features: Dining Room, Other, Living Room, Family Room
Interior area
- Total structure area: 7,476
- Total interior livable area: 7,476 sqft
Video & virtual tour
Property
Parking
- Total spaces: 8
- Parking features: Circular Driveway, Drive Space, Attached
- Attached garage spaces: 8
- Has uncovered spaces: Yes
Features
- Stories: 4
- Entry location: No Stairs to Entry
- Fencing: Fenced
- Has view: Yes
- View description: River/Creek/Str, Hill/Peak/Mnt, Valley
- Has water view: Yes
- Water view: River/Creek/Str
- Waterfront features: Creek/Stream
Lot
- Size: 49.16 Acres
- Features: Level, Valley, Other Agriculture, Horses Allowed
Details
- Parcel number: 099200070
- Zoning description: Agricultural
- Horses can be raised: Yes
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Stucco
- Foundation: Raised, Slab
- Roof: Clay,Tile
Condition
- Under Construction,To Be Built
- New construction: Yes
- Year built: 2012
Utilities & green energy
- Sewer: Septic Tank
- Water: Shared Well, Well
Green energy
- Green verification: None
- Energy efficient items: None
- Energy generation: None
Community & HOA
HOA
- Has HOA: No
Location
- Region: Lompoc
Financial & listing details
- Price per square foot: $427/sqft
- Tax assessed value: $2,964,338
- Date on market: 10/31/2025
- Cumulative days on market: 377 days
- Listing terms: New Loan,OMC 1st,Cash
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 9/6/2026 | Price change | $3,195,000-12.5%$427/sqft |
Source:  North Santa Barbara County MLS #25002159 Report a problem | ||
| 7/23/2026 | Price change | $3,650,000-8.6%$488/sqft |
Source: North Santa Barbara County MLS #25002159 Report a problem | ||
| 5/20/2026 | Listed for sale | $3,995,000-11.1%$534/sqft |
Source: North Santa Barbara County MLS #25002159 Report a problem | ||
| 10/31/2025 | Listed for sale | $4,495,000$601/sqft |
Source: North Santa Barbara County MLS #25002159 Report a problem | ||
| 10/24/2025 | Listing removed | $4,495,000$601/sqft |
Source: North Santa Barbara County MLS #25002093 Report a problem | ||
| 10/21/2025 | Listed for sale | $4,495,000$601/sqft |
Source: North Santa Barbara County MLS #25002093 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $2,964,338 +1.9% |
| 2025 | $33,230 +5.5% | $2,908,006 +1.7% |
| 2024 | $31,505 +0.5% | $2,858,000 +2% |
| 2023 | $31,361 -4.6% | $2,800,977 -3.9% |
| 2022 | $32,870 +26.2% | $2,915,396 +30.3% |
| 2021 | $26,047 +1.6% | $2,237,506 +1.5% |
| 2020 | $25,647 +2% | $2,204,375 +2.3% |
| 2019 | $25,153 +1.8% | $2,154,104 +2.3% |
| 2018 | $24,699 -1.9% | $2,105,880 -1.8% |
| 2017 | $25,186 +2.1% | $2,144,270 +2.3% |
| 2016 | $24,659 -14.7% | $2,095,910 +1.5% |
| 2015 | $28,893 | $2,064,095 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: 93436
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