1545 Willow Creek
Price History Original $4,950,000 → Last $4,595,000 → Sold $4,000,000
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Set within the highly regarded Willow Creek AVA, this exceptional estate spans 63.95± acres, including approximately 31± acres of established certified organic vineyard under the Williamson Act, offering agricultural value and long-term land stewardship. The 3,150± sq. ft. residence, originally built in 1978 and thoughtfully remodeled in 2023, maintains its authentic character while enhancing modern comfort and functionality. The home features two primary suites plus a loft.
The primary suite includes dual en-suite baths, providing separation and privacy, with three total ¾ bathrooms throughout. Open-concept living areas seamlessly connect the kitchen, dining, and great room, while expansive sliding doors lead to a front patio and rear deck overlooking Sheep Camp Creek, creating effortless indoor-outdoor living. Surrounded by vineyard rows, mature oaks, and natural landscape, the property offers a true wine country setting.
The vineyard includes 13 varietals — Bourboulenc, Cabernet Sauvignon, Cinsault, Counoise, Grenache, Grenache Blanc, Mourvèdre, Petite Sirah, Picpoul Blanc, Syrah, Vaccarèsse, Vermentino, and Zinfandel — and achieved California Certified Organic status through CCOF in 2022. Infrastructure includes the original 1,800± sq. ft. Mastantuono winery building, a 1,100± sq. ft. secondary structure, 50' x 36' pole barn, 32' x 40' metal equipment building, and an owned 14.5 KW solar system installed in 2020 and expanded in 2024.
Water resources include an approximate +/- 24 GPM well supported by four storage tanks totaling approximately 22,500 gallons. Ideal as a boutique wine operation, private vineyard retreat, or legacy holding, this offering combines productive acreage, established infrastructure, and Central Coast lifestyle appeal.
Basic / Listing Information
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Local & Market Information
Property & Market Context
This 2-bedroom, 4-bath Paso Robles single-family home offers 3,150 sq ft of living area on a 2,785,662 sq ft lot.
For context, its sold price of $4,000,000 is about 400% above the 2026 year-to-date through October 9, 2026 median closed single-family home price of $799,990 in Paso Robles.
Its 2,785,662 sq ft lot is about 31,555% larger than the 8,800 sq ft median lot size for closed single-family homes in Paso Robles during the same period.
Local Market Tidbit
Through October 9, 2026, 9% of closed single-family homes in Paso Robles were identified as horse property, ranking Paso Robles 3rd among 14 SLO County communities.
The information in this section is independently compiled or calculated by SLO County Homes and is not provided by the listing broker or CRMLS. Market comparisons use saved SLO County Homes statistics for the period shown and are for general informational purposes only.
IDX Information
Based on information from CRMLS as of September 30, 2026 at 1:51 PM PDT.
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All information is deemed reliable but is not guaranteed and should be independently reviewed and verified for accuracy. Property information is supplied by the listing broker and/or other sources and may be subject to errors, omissions, or changes without notice.
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