Seller is open to private financing for qualified buyers.Introducing Sweeney Canyon Riverside Estate, a Mediterranean-inspired residence on 49 acres with approximately 1,400 feet of Santa Ynez River frontage in the sought-after Sta. Rita Hills AVA, known for producing 94+ point Chardonnay and Pinot Noir. The unfinished residence, built in 2012 with steel and I-beam construction, spans about 14,423 sq. ft. over four levels connected by an elevator shaft. Framed, plumbed, and ducted, it is ready for final completion under an active building permit.Features include a grand two-story foyer, multiple indoor and outdoor entertaining terraces, seven bedrooms, six full baths, three half baths, and a 5,000 sq. ft. daylight basement with roll-up doors. Set among rolling hills with sweeping valley views, this property offers exceptional privacy and potential for agricultural or hospitality use under the Santa Barbara County Agricultural Enterprise Ordinance (Jan 2025). With two wells, a shared 30,000-gallon cistern, and about 35 acres of usable land, this former Sweeney Canyon Vineyard site invites a visionary owner to create a lasting legacy in the heart of wine country.
New construction
$4,495,000
4375 Sweeney Rd, Lompoc, CA 93436
7beds
7,476sqft
Est.:
Single Family Residence
Built in 2012
49.16 Acres Lot
$-- Zestimate®
$601/sqft
$-- HOA
What's special
Santa ynez river frontageMediterranean-inspired residenceGrand two-story foyerSteel and i-beam constructionExceptional privacySeven bedroomsThree half baths
- 196 days |
- 490 |
- 16 |
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
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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: $601/sqft
- Tax assessed value: $2,908,006
- Annual tax amount: $33,230
- Date on market: 10/31/2025
- Cumulative days on market: 199 days
- Listing terms: New Loan,OMC 1st,Cash
Estimated market value
Not available
Estimated sales range
Not available
$6,606/mo
Price history
| Date | Event | Price |
|---|---|---|
| 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 |
|---|---|---|
| 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 | $2,064,095 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 93436
Nearby schools
GreatSchools rating
- 3/10Arthur Hapgood Elementary SchoolGrades: K-6Distance: 6 mi
- 2/10Lompoc Valley Middle SchoolGrades: 7-8Distance: 6.9 mi
- 3/10Lompoc High SchoolGrades: 9-12Distance: 7.1 mi
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- California
- Santa Barbara County
- Lompoc
- 93436
- 4375 Sweeney Rd
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