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    Extensively Renovated Historic Apartment Building Title is generated by Realmo AI

    5128 Marathon St, Los Angeles, CA 90038

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    Modernized apartment building with comprehensive capital improvements and historic character.

    Type:Multifamily
    Added:
    Apr 16, 2026
    Days on Market:
    52
    Last Refresh:
    Apr 16 at 8:11 pm

    Property Features for 5128 Marathon St

    General Information

    Standard status
    Active
    Property subtype
    Multifamily

    We can help!

    Listing Contact
    Neema Ahadian

    Listing agent Neema Ahadian License #CA: 01346750

    Listing office Los Angeles Office

    Listing date Apr 16, 2026

    Source Marcusmillichap

    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 Los Angeles Office

    HighLights

    • Comprehensive capital improvements and restoration completed.
    • All new electrical, plumbing, gas, and mechanical systems installed.
    • New fire alarm and fire sprinkler systems installed, significantly enhancing life‑safety.
    • Structural upgrades and framing improvements reinforce the building.
    • 15 ADA‑compliant units created, expanding accessibility.
    • New windows, restored building envelope, and custom‑built kitchen cabinetry and countertops.

    Overview

    The Jardinette Apartments have undergone a comprehensive program of capital improvements and restoration, significantly upgrading the building’s infrastructure and interior systems while maintaining the historic character of the property. The renovation program focused on modernizing major building systems, improving structural integrity, and enhancing residential functionality in accordance with current building standards. Extensive work has been completed across multiple building systems, including structural, electrical, plumbing, mechanical, fire protection, and building envelope improvements. Structural upgrades and framing improvements were implemented to reinforce the building while preserving the original architectural design. Interior improvements included new framing, insulation, and drywall installation, along with substantial upgrades to the basement level. The building’s infrastructure has been modernized with new electrical systems, plumbing systems, gas lines, and mechanical systems, providing long-term operational efficiency and reliability. Electrical improvements include new service upgrades coordinated with Los Angeles Department of Water and Power (LADWP), along with new electrical fixtures, outlets, and lighting throughout the building. The plumbing system has been fully upgraded with new plumbing infrastructure, new plumbing fixtures, and a new water boiler system, supported by an upgraded LADWP plumbing service connection. Mechanical improvements include updated heating and cooling systems to improve comfort and efficiency for residents. Life-safety systems have also been significantly enhanced through the installation of new fire alarm and fire sprinkler systems throughout the building. Additional improvements include the installation of new windows, restoration of the building envelope, and the construction of custom-built kitchen cabinetry and countertops fabricated on site. Residential improvements also include the voluntary creation of 15 ADA-compliant units, expanding accessibility within the building. Together, these capital improvements represent a substantial modernization of the property while preserving the architectural integrity of this historically significant building.
    Location Intelligence

    Current Use by Public Records

    Jardinette Apartments Tour Operator

    Suggested Use

    Law Firm Restaurant Real Estate Agency Spa & Massage Center Dental Office Hair Salon Nail Salon Food Market Gym & Fitness Center Grocery & Convenience Store

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

    Location Insight

    • Map
    • Local Demand
    City
    Los Angeles
    County
    Los Angeles
    State
    California
    Longitude
    -118.30985
    Latitude
    34.08479

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    FAQs

    What type of property is this?
    Apartment building - Modernized apartment building with comprehensive capital improvements and historic character.
    Where is this apartment building located?
    The property is located at 5128 Marathon St Los Angeles, CA.
    What are key features of this property?
    This property features: Comprehensive capital improvements and restoration completed.; All new electrical, plumbing, gas, and mechanical systems installed.; New fire alarm and fire sprinkler systems installed, significantly enhancing life‑safety.
    (310) 909-5444
    We can help!
    Listing Contact
    Neema Ahadian
    Real Estate License ID: CA: 01346750
    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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