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    Standalone Industrial Flex Building Title is generated by Realmo AI

    30C Mill Street, Healdsburg, CA 95448

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    Standalone industrial flex building with office space, multiple grade-level doors, sprinklers, and 400-amp 3-phase power.

    Type:Industrial
    Property size:
    9,600 SF
    Added:
    May 29, 2026
    Days on Market:
    9
    Last Refresh:
    Jun 1 at 2:30 pm

    Property Features for 30C Mill Street

    General Information

    Standard status
    Active
    Size
    9,600 SF
    Property subtype
    Industrial

    We can help!

    Listing Contact
    Nick Abbott

    Listing agent Nick Abbott License #CA 01357548

    Listing office North Bay Property Advisors

    Listing date May 29, 2026

    Source Crexi

    Displayed information is deemed reliable but is not guaranteed and should be independently verified.

    All listing content including descriptions, pricing, images are the copyrighted material of North Bay Property Advisors

    HighLights

    • Standalone industrial building with 9,600 +/- SF in the Plum Industrial Park in central Healdsburg
    • 3 grade‑level doors for warehouse access
    • Fire suppression sprinklers and fully insulated building
    • 400‑amp 3‑phase power supply
    • Office amenities include lower‑level bullpen offices, private offices, reception, break room, and restrooms
    • Second level includes a conference room and 3 large private offices; zoned for industrial use

    Overview

    Standalone industrial building totaling 9,600 +/- square feet within the Plum Industrial Park. The space features three grade-level doors, fire suppression sprinklers, and fully insulated warehouse areas. Power is provided via a 400-amp, 3-phase supply, supporting a wide range of industrial and light operational needs. The building includes office space on both levels, with two large bullpen areas, three private offices, a reception area, break room, and restrooms on the lower level, plus a conference room and three large private offices on the second level.

    Located in central Healdsburg within the Plum Industrial Park, the property is one of multiple buildings in the business park. The park configuration supports the concept of adding additional space through other buildings if needed for expansion.

    This setup is well suited for tenants who need a functional warehouse environment with dedicated administrative space. With zoned industrial use and practical power and door access, the property can support operations that require both storage and on-site offices for management and staff.
    Location Intelligence

    Current Use by Public Records

    Sonoma Shipping Shipping Company

    Suggested Use

    Restaurant Real Estate Agency Law Firm Building Supply Dental Office Spa & Massage Center Big Box & Wholesale Store Auto Repair Shop Hair Salon Nail Salon

    Zoning and permitted uses should be independently verified with local authorities.

    Similar Places Nearby

    • Oui Cater LLC — 149 healdsburg ave, healdsburg, ca 95448
    • Granados Mateo — 214 Healdsburg Ave, Healdsburg, CA 95448
    • Granados Mateo — Healdsburg, CA 95448
    • Field & Farm — 14 Matheson St, Healdsburg, CA 95448

    Location Insight

    • Map
    • Local Demand
    City
    Healdsburg
    County
    Sonoma
    State
    California
    Longitude
    -122.8715503
    Latitude
    38.6075064

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    FAQs

    What type of property is this?
    Flex space - Standalone industrial flex building with office space, multiple grade-level doors, sprinklers, and 400-amp 3-phase power.
    Where is this flex space located?
    The property is located at 30C Mill Street Healdsburg, CA.
    What are key features of this property?
    This property features: Standalone industrial building with 9,600 +/- SF in the Plum Industrial Park in central Healdsburg; 3 grade‑level doors for warehouse access; Fire suppression sprinklers and fully insulated building
    We can help!
    Contact for Pricing
    Please call us for current price
    and status of this listing
    Nick Abbott
    Real Estate License ID: CA 01357548
    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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