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    Buildable Lot with Road Access Title is generated by Realmo AI

    223 Tamalpais Road, Fairfax, CA 94930

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    Claim this Listing
    New
    For Sale
    $250,000

    Land, Other - Fairfax, CA

    Lot size:
    0.11 Acres
    Added:
    May 28, 2026
    Days on Market:
    3
    Last Refresh:
    May 30 at 9:06 am

    Property Features for 223 Tamalpais Road

    General Information

    Property type
    Land
    Property subtype
    Other
    Zoning
    Single-Family
    Standard status
    Active
    APN
    00105409
    Lot size
    0.11 Acres

    Building Details

    Architectural style
    Other

    We can help!

    Listing Contact
    Marjie J Orton

    Listing agent Marjie J Orton

    Listing office Engel & Völkers Sausalito 539 Bridgeway, Sausalito, CA

    Listing date May 28, 2026

    MLS# 325104438 Listing URL

    Copyright © 2026 Engel & Völkers. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Buildable lot with road access and views
    • Professional car deck parking plans by BHW structural engineers included
    • Past utilities were hooked up
    • Fire hydrant at the top of the property
    • Street parking available
    • Property was never on the market before

    Overview

    This property presents a unique opportunity for experienced builders seeking a potentially buildable lot with road access and views. The site previously had utilities connected, which were subsequently disconnected after a treefall incident that led to the demolition of the house. While significant cleanup has been undertaken, a partial foundation, terraced retaining walls, and plastic ground covering remain. The seller, who originally intended to reside on the property, invested in professional car deck parking plans developed by BHW structural engineers, which are available for review by prospective buyers. A fire hydrant is located at the top of the property, and street parking is accessible. This property is suited for experienced builders or those prepared to engage professional services. Seller disclosures are available upon request, and inquiries regarding future development should be directed to the city of Fairfax. The property, acquired directly from the previous owner, was never previously listed on the market. Past city records indicate that the property was once zoned for multi-unit use with a studio below, although a past city report indicates uncertainty as to whether this zoning is grandfathered in. The lot size is approximately 0.1085 acres.
    Property Profile Location Intelligence

    Current Use by Public Records

    Residential land & home ...

    Suggested Use

    Real Estate Agency Law Firm Restaurant Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Gym & Fitness Center Auto Repair Shop

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

    Location Insight

    • Map
    • Local Demand
    City
    Fairfax
    County
    Marin
    State
    California
    Longitude
    -122.595924
    Latitude
    37.986677

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    FAQs

    What type of property is this?
    Residential land & home lot - Unique opportunity for builders with road access and views.
    Where is this residential land & home lot located?
    The property is located at 223 Tamalpais Road Fairfax, CA.
    What is the asking price?
    The asking price for this property is $250,000.
    What are key features of this property?
    This property features: Buildable lot with road access and views; Professional car deck parking plans by BHW structural engineers included; Past utilities were hooked up
    (415) 887-9925
    We can help!
    Listing Contact
    Marjie J Orton
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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.

    More about this property
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