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For sale
  • $10,000,000

    9 Castana St, Guaynabo, PR 00968

    7beds
    10,000sqft
    : 
    Single Family Residence
    Built in 1997
    1.2 Acres Lot
    $-- Zestimate®
    $1,000/sqft
    $650/mo HOA

    What's special

    Basketball courtSpa-inspired pool and jacuzziFully equipped private gymFully equipped outdoor kitchenOutdoor air-conditioning systemTranquil koi pondResort-style outdoor spaces
    Nestled on 1.2 acres, 9 Castaña St. represents a rare opportunity to own a multigenerational estate within San Juan’s premier gated community, San Patricio. Designed by award-winning architect Carlos Betancourt, the residence masterfully balances grand-scale entertaining with a layout that remains intimate and connected, ensuring comfort for every member of the family. The resort-style outdoor spaces create a private sanctuary in the heart of the city, featuring a fully equipped outdoor kitchen, spa-inspired pool and jacuzzi, basketball court, outdoor air-conditioning system, tranquil koi pond, and a chicken coop. Inside, the home showcases soaring ceilings and expansive living areas, including multiple formal and informal gathering spaces, a game and media room with direct access to the outdoor entertaining areas, and a fully equipped private gym. Offering over 10,000 square feet of refined living space, the residence includes 7 bedrooms, 8 full bathrooms, and 2 powder rooms. On the main level, doors open throughout, creating a seamless indoor-outdoor flow, connecting the interior living spaces to the beautifully designed outdoor areas. Additional features include a double backup generator with automatic transfer switches and a 6,000-gallon cistern with a water treatment system, ensuring comfort and reliability year-round. The property has a covered carport for 4 vehicles, along with additional driveway parking. Centrally located, this home is approximately 10 minutes from the Condado area and 25 minutes from Dorado.
    6 days
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    Zillow last checked: 7 hours ago

    Listing updated: March 25, 2026 at 03:55am

    Listing Provided by:

    Joel Katz 787-587-4331,

    JOEL A KATZ 787-587-4331

    Source: Stellar MLS,MLS#: PR9120156MLS LogoOriginating MLS: Puerto Rico

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 7
      • Bathrooms: 10
      • Full bathrooms: 8
      • 1/2 bathrooms: 2
      Primary bedroom
      • Features: Walk-In Closet(s)
      • Level: Second
      Kitchen
      • Level: First
      Living room
      • Level: First
      Heating
      • None
      Cooling
      • Ductless
      Appliances
      • Included: Cooktop, Dishwasher, Dryer, Freezer, Ice Maker, Refrigerator, Washer
      • Laundry: Laundry Room
      Features
      • High Ceilings, PrimaryBedroom Upstairs, Walk-In Closet(s)
      • Flooring: Marble
      • Doors: Outdoor Kitchen
      • Has fireplace: No
      Interior area
      • Total structure area: 10,000
      • Total interior livable area: 10,000 sqft

      Property

      Parking
      • Total spaces: 4
      • Parking features: Carport
      • Carport spaces: 4
      Features
      • Levels: Two
      • Stories: 2
      • Exterior features: Basketball Court, Outdoor Kitchen, Tennis Court(s)
      • Has private pool: Yes
      • Pool features: Infinity
      Lot
      • Size: 1.2 Acres
      Details
      • Parcel number: 06209522504001
      • Zoning: RESI
      • Special conditions: None

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • Concrete
      • Foundation: Concrete Perimeter
      • Roof: Concrete
      Condition
      • New construction: No
      • Year built: 1997

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Private
      • Utilities for property: Electricity Connected, Water Connected

      Community & HOA

      Community
      • Pet fee: $0 monthly
      • Subdivision: SAN PATRICIO URBANIZATION
      HOA
      • Has HOA: Yes
      • HOA fee: $650 monthly
      • HOA name: San Patricio Urbanization
      Location
      • Region: Guaynabo

      Financial & listing details

      • Price per square foot: $1,000/sqft
      • Date on market: 3/24/2026
      • Cumulative days on market: 365 days
      • Ownership: Fee Simple
      • Total actual rent: 0
      • Electric utility on property: Yes
      • Road surface type: Asphalt

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        Price history
        DateEventPrice
        3/24/2026Listed for sale$10,000,000$1,000/sqft
        Source: Stellar MLS #PR9120156 Report a problem
        2/17/2026Listing removed$10,000,000$1,000/sqft
        Source: Stellar MLS #PR9111890 Report a problem
        2/23/2025Listed for sale$10,000,000$1,000/sqft
        Source: Stellar MLS #PR9111890 Report a problem

        Public tax history

        Public tax history
        Tax history is unavailable.

        BuyAbility℠ payment

        Est. payment
        $52,219/mo
        Principal & interest
        $51569
        HOA Fees
        $650
        More affordability tools

          Climate risks

          Neighborhood: 00968

          Getting around

          54 / 100
          Somewhat Walkable

          Nearby schools

          GreatSchools rating

          No schools nearby

          We couldn't find any schools near this home.

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