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    Costa Mesa Luxury Estate Title is generated by Realmo AI

    308 E 18th St, Costa Mesa, CA 92627

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    High-yield investment opportunity in Eastside Costa Mesa.

    Type:Mixed Use, Office, Senior Living, Special Purpose
    Property size:
    3,039 SF
    Lot size:
    8,500.00 Acres
    Price / SF:
    $1,349/SF
    Added:
    Feb 12, 2026
    Days on Market:
    89
    Last Refresh:
    Mar 17 at 1:15 pm

    Property Features for 308 E 18th St

    General Information

    Standard status
    Active
    Size
    3,039 SF
    Lot size
    8,500.00 Acres
    Property subtype
    Mixed Use, Office, Senior Living, Special Purpose

    Building Details

    Year Built
    1995

    We can help!

    Listing Contact
    Alice Schroeder

    Listing agent Alice Schroeder License #01319910

    Listing office Pacific Sotheby's International Realty

    Listing date Feb 12, 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 Pacific Sotheby's International Realty

    HighLights

    • Strategic investment opportunity in Eastside Costa Mesa with potential for high‑yield returns.
    • Rare zoning allows for luxury Residential Assisted Living or 'Senior Live‑in‑Place' facilities.
    • Demand for high‑end senior care significantly exceeds supply in this market.
    • Expansive 8,500+ Sq. Ft. lot.
    • 3,039 Sq. Ft. designer estate.
    • Built in 1995.

    Overview

    Located in Eastside Costa Mesa, this property presents an investment opportunity. The designer estate spans 3,039 square feet and is situated on an expansive lot exceeding 8,500 square feet. The property's zoning is favorable for Institutional and Recreational use, potentially suitable for luxury Residential Assisted Living or "Senior Live-in-Place" facilities. This property may serve as a strategic asset in a market where demand for modern care exceeds supply.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Assisted living facilities

    Suggested Use

    Real Estate Agency Law Firm Restaurant Dental Office Spa & Massage Center Hair Salon Nail Salon Building Supply Daycare Center Accounting Firm

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

    Similar Places Nearby

    • Newport Senior Living II — 260 E 16th St, Costa Mesa, CA 92627
    • Newport Heights Manor — 466 E 16th St, Costa Mesa, CA 92627
    • Cross Creek Cottages — 138 E 18th St, Costa Mesa, CA 92627
    • Newport Garden Villa — 495 Ogle St, Costa Mesa, CA 92627

    Location Insight

    • Map
    • Local Demand
    City
    Costa Mesa
    County
    Orange
    State
    California
    Longitude
    -117.9120752
    Latitude
    33.6358539

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    FAQs

    What type of property is this?
    Assisted living facility - High-yield investment opportunity in Eastside Costa Mesa.
    Where is this assisted living facility located?
    The property is located at 308 E 18th St Costa Mesa, CA.
    What is the asking price?
    The asking price for this property is $4,100,000.
    What are key features of this property?
    This property features: Strategic investment opportunity in Eastside Costa Mesa with potential for high‑yield returns.; Rare zoning allows for luxury Residential Assisted Living or 'Senior Live‑in‑Place' facilities.; Demand for high‑end senior care significantly exceeds supply in this market.
    We can help!
    Contact for Pricing
    Please call us for current price
    and status of this listing
    Alice Schroeder
    Real Estate License ID: 01319910
    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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