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    508 Sagrado Corazon Ave San Juan, PR 00915

    Sponsored
    For Sale
    $940,000

    Duplex - SAN JUAN, PR

    Type:Duplex
    Property size:
    3,341 SF
    Lot size:
    0.13 Acres
    Days on Market:
    4
    Last Refresh:
    Jan 31 at 1:06 am

    Property Features for 508 Sagrado Corazon Ave

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Duplex
    Standard status
    Active
    Zoning
    ZU
    Rooms
    Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5
    Bedrooms
    7
    APN
    041-081-424-14
    Parking features
    Carport, Garage
    Interior features
    Eat-in Kitchen, Elevator, High Ceilings, Living Room/Dining Room Combo
    Exterior features
    Garden, Private Entrance, Private Yard
    Accessibility
    Accessible Elevator Installed
    Size
    3,341 SF
    Lot size
    0.13 Acres

    Utilities

    Cooling system
    Multi Units, Wall/Window Unit(s), Window Unit(s)

    Building Details

    Year built
    1940
    Number of units
    1
    Building materials
    Concrete
    Architectural style
    Other

    We can help!

    Listing Contact
    Maria Ruiz Suau

    Mosaic Realty PR (787) 398-9950

    Listing agent Maria Ruiz Suau (787) 398-9950 License #04793

    Listing date Jan 28, 2026

    MLS# PR9118609 Listing URL

    Copyright © 2026 Stellar MLS. 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

    Overview

    Historic District Duplex in San Juan

    Located within the Historic District of Sagrado Corazón in San Juan, this duplex was built in the 1940s. The property is situated on an approximately 510 square meter lot and features an estimated 3,341 sq ft Gross Living Area. The residence offers a flexible layout suitable for multi-generational or mixed-use family living. The ground floor includes 4 bedrooms and 2 bathrooms, while the upper level provides 3 bedrooms and 2 bathrooms. The property features a 450-gallon cistern, a backup power generator, a garage, and a driveway accommodating approximately 4 vehicles, rear patios, and two service rooms. The historic district designation supports preservation, rehabilitation, and adaptive reuse while protecting neighborhood scale and compatible development. The property is located in a walkable urban setting near schools, universities, retail, dining, public transportation, and major access roads.
    Location Intelligence

    Current Use by Public Records

    Duplexes

    Map

    City
    San Juan
    County
    San Juan
    State
    Puerto Rico
    Longitude
    -66.058005
    Latitude
    18.439999

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    FAQs

    What type of property is this?
    Duplex - Duplex in San Juan's Historic District, ideal for multi-generational living.
    Where is this duplex located?
    The property is located at 508 Sagrado Corazon Ave San Juan, PR.
    What is the asking price?
    The asking price for this property is $940,000.
    What are key features of this property?
    This property features: - Located in the Historic District of Sagrado Corazón, offering preservation benefits and neighborhood character.; - Flexible layout with **7 bedrooms and 4 bathrooms**, suitable for multi-generational living or mixed-use.; - Convenient urban location near schools, universities, retail, dining, and public transportation.
    (787) 398-9950
    Request Owner's contact information
    508 Sagrado Corazon Ave San Juan, PR 00915
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    San Juan, PR 00915
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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
    508 Sagrado Corazon Ave San Juan, PR 00915
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    We can help!
    Listing Contact
    Maria Ruiz Suau
    Real Estate License ID: 04793
    (787) 398-9950
    Learn more
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