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    53 E 39Th Ave San Mateo, CA 94403

    Sponsored
    For Sale
    $1,799,888

    Duplex - SAN MATEO, CA

    Type:Duplex
    Property size:
    2,962 SF
    Days on Market:
    2
    Last Refresh:
    Feb 10 at 2:06 pm

    Property Features for 53 E 39Th Ave

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Duplex
    Standard status
    Active
    Zoning
    R30000
    Rooms
    Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5
    Bedrooms
    5
    Parking
    4
    Parking features
    Garage, Garage - Attached
    Interior features
    Other
    Size
    2,962 SF

    Utilities

    Heating system
    Central, Forced Air, Natural Gas
    Cooling system
    Ceiling Fan(s), Wall Unit(s)

    Building Details

    Year built
    1935
    Number of units
    2
    Flooring type
    Carpet, Hardwood, Tile
    Roof type
    Composition
    Architectural style
    Other

    We can help!

    Listing Contact
    Dominic Gluhaich

    Intero Real Estate Services, Inc. (866) 334-7356

    Listing agent Dominic Gluhaich (408) 574-5000 License #02092371

    Listing date Feb 9, 2026

    MLS# ML82033640 Listing URL

    Copyright © 2026 MLS Listings, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    Learn more

    Property Insight Report

    Overview

    Spacious Duplex in San Mateo

    Located in San Mateo, this duplex at 53-55 E 39th Street offers a versatile property suitable for investors, multi-generational living, or owner-occupants seeking rental income. The front unit features 3 bedrooms and 1 bathroom with a generous layout, while the rear unit offers 2 bedrooms and 1 bathroom. Each unit has a private entrance, garage, indoor laundry, and access to outdoor yard space. The interiors are bright and well-maintained, featuring hardwood flooring and updated kitchens. Each unit also includes an oversized backyard. Situated on a quiet, tree-lined street, the property is located minutes from Hillsdale Shopping Center, Caltrain, top-rated schools, and various dining and retail options. Easy access to Highways 92, 101, and El Camino Real facilitates commuting. The property, with a lot size of 2962 square feet, is zoned R30000. This property presents an opportunity in one of the Peninsula's most desirable locations.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Duplexes

    Suggested Use

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

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

    Location Insight

    • Map
    • Local Demand
    City
    San Mateo
    County
    San Mateo
    State
    California
    Longitude
    -122.29126
    Latitude
    37.53426

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    FAQs

    What type of property is this?
    Duplex - Rare duplex in the heart of San Mateo.
    Where is this duplex located?
    The property is located at 53 E 39Th Ave San Mateo, CA.
    What is the asking price?
    The asking price for this property is $1,799,888.
    What are key features of this property?
    This property features: - Duplex ideal for investors or multi-generational living.; - Two units: 3-bed/1-bath front and 2-bed/1-bath rear.; - Each unit features a private entrance, garage, indoor laundry, and access to its own oversized backyard.
    (408) 574-5000
    Request Owner's contact information
    53 E 39Th Ave San Mateo, CA 94403
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    San Mateo, CA 94403
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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
    53 E 39Th Ave San Mateo, CA 94403
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    We can help!
    Listing Contact
    Dominic Gluhaich
    Real Estate License ID: 02092371
    (408) 574-5000
    Learn more
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