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    Napa Valley Vineyard Estate Opportunity Title is generated by Realmo AI

    Pratt Avenue St., Helena, CA 94574

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    Claim this Listing
    For Sale
    $6,900,000

    Residential Acreage - St. Helena, CA

    Lot size:
    11.84 Acres
    Added:
    Jan 12, 2026
    Days on Market:
    128
    Last Refresh:
    May 20 at 7:06 am

    Property Features for Pratt Avenue St.

    General Information

    Property type
    Land
    Property subtype
    Other
    Standard status
    Active
    APN
    009-030-062-000
    Lot size
    11.84 Acres

    Building Details

    Architectural style
    Other

    We can help!

    Listing Contact
    Erin Lail
    Erin Lail

    Listing agent Erin Lail License #02027696

    Listing office Coldwell Banker Brokers of the Valley 1200 Main St, St. Helena, CA

    Listing date Jan 12, 2026

    MLS# 326001697 Listing URL

    Copyright © 2026 Bay Area Real Estate Information Services, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Prime Napa Valley location: Close to St. Helena and the Napa River, offering both privacy and convenience.
    • Estate site with vineyard views: Ideal location for building a private residence with scenic views across the property.
    • Vineyard access: Nearly 10 acres of Cabernet Sauvignon vineyard, replanted in 2019‑2020 with a comprehensive subsurface drainage system.
    • Napa Valley Vine Trail access: Direct walking and biking access to St. Helena via the soon‑to‑be‑completed trail.
    • Productive vineyard: Vines reached full production in 2024, producing concentrated, expressive wines.
    • Abundant well: Property supported by an abundant well.

    Overview

    Located just north of St. Helena and within half a mile of the Napa River, the Railroad Vineyard offers the opportunity to create a private Napa Valley residence surrounded by open land and vineyard views, while remaining close to town. An ideal estate site provides privacy and long views across the property. The estate site adjoins the upcoming Napa Valley Vine Trail, allowing walking and biking access into St. Helena. The property includes nearly 10 acres of Cabernet Sauvignon, thoughtfully planted across gently sloping terrain. The vineyard was extensively replanted between 2019 and 2020 following the installation of a comprehensive subsurface drainage system. The vines reached full production in 2024, producing concentrated, expressive wines. The property is supported by an abundant well. This 11.84-acre property presents a blend of privacy, views, and proximity, offering the opportunity to build a Napa Valley home immersed in a vineyard landscape, with downtown access rarely found in an estate vineyard setting. The property is located on Pratt Avenue, St. Helena, CA 94574.
    Location Intelligence

    Current Use by Public Records

    Vineyards

    Map

    City
    Helena
    County
    Trinity
    State
    California
    Longitude
    -122.459
    Latitude
    38.5095

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    FAQs

    What type of property is this?
    Vineyard - Rare opportunity to build a private Napa Valley residence.
    Where is this vineyard located?
    The property is located at Pratt Avenue St. Helena, CA.
    What is the asking price?
    The asking price for this property is $6,900,000.
    What are key features of this property?
    This property features: Prime Napa Valley location: Close to St. Helena and the Napa River, offering both privacy and convenience.; Estate site with vineyard views: Ideal location for building a private residence with scenic views across the property.; Vineyard access: Nearly 10 acres of Cabernet Sauvignon vineyard, replanted in 2019‑2020 with a comprehensive subsurface drainage system.
    (707) 333-5596
    We can help!
    Listing Contact
    Erin Lail
    Erin Lail
    Real Estate License ID: 02027696
    Learn More
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    Realmo Value Estimations

    Realmo estimates a property’s market value using a proprietary methodology that incorporates public data and user-submitted information. This cumulative value is generated by integrating a variety of conventional and innovative methods. 

    Disclaimer

    These figures are not official appraisals and should not be used as a substitute for a valuation performed by a licensed appraiser.
    Actual market value may differ due to factors not captured in the data. Estimates are offered for informational purposes only, and users should conduct independent research before making financial or investment decisions.
    By using this feature, you acknowledge that Realmo is not responsible for actions taken based on these estimates.

    AI approach

    Realmo AI Method estimates property value using machine learning models trained on millions of comparable listings, transactions, and market signals. It analyzes property features, location intelligence data, and current market dynamics to predict the most probable market value in real time.

    Realmo CapRate Calculation

    Realmo calculates the Capitalization Rate (Cap Rate) to help estimate a property's potential return on investment. The Cap Rate is a fundamental metric in commercial real estate that measures the relationship between a property's net operating income and its market value.

    How We Calculate Cap Rate

    Cap Rate Formula:
    Cap Rate (%) = (Net Operating Income / Property Value) × 100

    Net Operating Income (NOI) Formula:
    NOI = Area × Lease Rate × (1 - Vacancy Rate) × (1 - Operating Expense Ratio)

    Components

    Net Operating Income (NOI) represents the annual income a property generates after operating expenses:

    • Area: Building square footage from property records
    • Lease Rate: Annual $/sqft based on market data for the property type and geographic location
    • Vacancy Rate: Percentage of unoccupied space based on market data for the property type and location
    • Operating Expense Ratio: Operating costs as a percentage of income, varies by property type

    Property Value is derived from:

    • Recent sale price (if available)
    • Statistical models using comparable sales
    • AI-powered valuation estimates

    Example Calculation

    For a 100,000 sqft Office Building:

    • Lease Rate: $25.00/sqft/year (market data for Office in this area)
    • Vacancy Rate: 8% (market data for Office in this area)
    • Operating Expense Ratio: 35% (typical for Office properties)
    • Property Value: $15,000,000

    Step 1: Calculate NOI

    NOI = 100,000 × $25.00 × (1 - 0.08) × (1 - 0.35)
    NOI = 100,000 × $25.00 × 0.92 × 0.65
    NOI = $1,495,000/year

    Step 2: Calculate Cap Rate

    Cap Rate = ($1,495,000 / $15,000,000) × 100
    Cap Rate = 9.97%

    Property Type Considerations

    Net Operating Income calculations vary by property type due to different operating expense ratios:

    • Office: Higher expenses (30-40%) for HVAC, utilities, maintenance
    • Retail: Moderate expenses (25-35%) for common area maintenance
    • Industrial/Warehouse: Lower expenses (15-25%) for minimal tenant services
    • Multifamily: Moderate expenses (35-45%) including property management
    • Self-Storage: Lower expenses (25-35%) due to minimal maintenance

    Market lease rates and vacancy rates are specific to each property type and geographic location, reflecting local market conditions.

    Disclaimer

    These calculations are estimates for informational purposes only and should not be used as a substitute for professional financial analysis or appraisal.

    • Cap Rate calculations depend on market data that may change over time
    • Actual operating expenses, lease rates, and vacancy rates may differ from market averages
    • Individual property conditions, lease terms, and tenant quality significantly impact actual NOI
    • Property value estimates are approximations and not official appraisals
    • Cap rates vary widely by market, property condition, and investment risk profile

    Professional Guidance Recommended: Before making any investment or financial decisions, consult with licensed appraisers, commercial real estate brokers, and financial advisors who can evaluate your specific property and circumstances.
    By using this feature, you acknowledge that Realmo is not responsible for investment decisions or actions taken based on these estimates.

    Cap approach

    Capitalization Method calculates value based on estimated net operating income (NOI) and applying a market-based capitalization rate (cap rate), we estimate what a typical investor might be willing to pay for it.

    Comparable approach

    Comparable estimate is based on recent sales of similar nearby properties, adjusted for factors like size, condition, and location.

    Relative

    Relative property class coefficient uses factors that account for typical price differences between various asset types (e.g., retail vs. industrial) to provide a more accurate market-aligned estimate.

    Geo

    Comparable Sales Method, enhanced by Geo coefficients — location-based adjustment factors that reflect differences in price levels across neighborhoods, cities, or regions ensuring a more accurate, market-sensitive valuation.

    Stat Estimate

    This method estimates value based on actual market adjusted recent (~5 years) sales of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all similar sales ($/sqft) are above this value
    • Range-to: 75% of all similar sales ($/sqft) are below this value
    AI Estimate

    This method estimates value based on AI market estimation of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all estimations ($/sqft) are above this value
    • Range-to: 75% of all estimations ($/sqft) are below this value
    Alternative use

    Estimate considers the property’s potential value if used for a different purpose-based on zoning, demand, and market feasibility.

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