For Sale
Single family home for sale at 9 Castaña St, Guaynabo, PR 00968 | MLS# PR9120156 | Listing updated on 2026-03-25
Photo 1 of Single family home for sale at 9 Castaña St, Guaynabo, PR 00968 | MLS# PR9120156 | Listing updated on 2026-03-25
Photo 2 of Single family home for sale at 9 Castaña St, Guaynabo, PR 00968 | MLS# PR9120156 | Listing updated on 2026-03-25
Photo 3 of Single family home for sale at 9 Castaña St, Guaynabo, PR 00968 | MLS# PR9120156 | Listing updated on 2026-03-25
Photo 4 of Single family home for sale at 9 Castaña St, Guaynabo, PR 00968 | MLS# PR9120156 | Listing updated on 2026-03-25
54+
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$10,000,000

  • Beds Icon7 Beds
  • Beds Icon
    10 Baths
  • Beds Icon10,000sqft

9 Castaña St, Guaynabo, PR 00968

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  • Single Family Residence

  • Built in 1997

  • $650/mo HOA

  • 1.2 acres lot

  • $1,000/sq.ft

Description

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 e...

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  • Houzeo last checked: 8 minutes ago
  • Listing updated: March 25, 2026 at 10:53 am
  • Listing Provided by: Joel Katz (787) 587-4331 | JOEL A KATZ (787) 587-4331
  • Source: Stellar MLS-FL | MLS#: PR9120156 Stellar MLS-FL

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    -

  • County

    Guaynabo County

  • City

    Guaynabo

  • Neighborhood

    --

  • Year Built

    1997

  • HOA Fees

    $650/mo

  • Finished Area

    10,000 sqft

  • Lot Size

    1.2 acres lot

  • Basement Area

    - sqft

  • MLS Name

    Stellar MLS

  • MLS Number

    PR9120156

  • MLS Status

    Active

  • Days on Market

    173

  • Cumulative Days on Market

    359

Data provided by Redfin

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