Address
9 CastaÑa Street, GUAYNABO, PR
Price
$ 10,000,000
Property Attributes
  • MLS#PR9120156
  • TypeSingle Family
  • Listing Status Active
  • CountyGuaynabo
  • CityGUAYNABO
  • AreaGuaynabo
  • NeighborhoodSAN PATRICIO URBANIZATION
  • Zip00968
  • StyleSingle Family Residence
  • Year Built1997
  • Price$ 10,000,000
  • Bedrooms7
  • Full Bathrooms8
  • Half Bathrooms2
  • Sqr Footage10000
  • Lot Size1.2 Acres
Data Source:
Stellar MLS
Property 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 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.

Price History
3/24/2026 Listed $10,000,000

General Features

Sewer Public Sewer
Heating None
Cooling Mini-Split Unit(s)
Utilities Electricity Connected,Water Connected
Roof Concrete
Appliances Cooktop,Dishwasher,Dryer,Freezer,Ice Maker,Refrigerator,Washer
Zoning RESI
HOA Fee 650
Pool Features Infinity
Construction Materials Concrete
Pets Allowed Yes
Year Built 1997
Levels Two
Property Subtype Single Family Residence
Ownership Fee Simple
Assoc Fee Paid Per Monthly
County Guaynabo
New Construction false
Property Type Residential
Subdivision Name SAN PATRICIO URBANIZATION
Facing Direction West
Garage Y/N false
Total Rooms 3
Full Baths 8
Status Active
Directions head west on Avenida de Diego and follow signs toward PR-22 / Expreso José de Diego. Merge onto PR-22 heading west toward Guaynabo. Continue on PR-22 for a few minutes, then take the exit toward PR-20 / Expreso Rafael Martínez Nadal. Merge onto PR-20 southbound and continue until you reach the exit for San Patricio. After exiting, follow the local roads into the San Patricio community, then proceed to 9 Castaña Street
City GUAYNABO
Association Name San Patricio Urbanization
MLS Area 00968 - Guaynabo
Lot Size Units Acres
Lot Size Square Feet 52272
Carport Spaces 4
Carport Y/N true
Land Lease Y/N false
Additional Parcels Y/N false
Lease Considered Y/N true
Building Area Units Square Feet
Living Area Units Square Feet
Standard Status Active
Occupancy Type Vacant
Minimum Lease 6 Months
Water Access Y/N false
Monthly HOA Amount 650
Water View Y/N false
Flood Zone Code n/a
In Law Suite YN false

Interior Features

Interior Amenities High Ceilings,PrimaryBedroom Upstairs,Walk-In Closet(s)
Flooring Marble
Furnished Y/N Partially
Air Conditioning Y/N true
Heating Y/N false
Fireplace Y/N false
Half Baths 2
Laundry Features Laundry Room
Total Bedrooms 7
LivingAreaSource Owner
Total Baths 10

Exterior Features

Exterior Amenities Basketball Court,Outdoor Kitchen,Tennis Court(s)
Water Source Private
Lot Size Area 1.2
Foundation Details Concrete Perimeter
Building Area Total 10000
Lot Size Acres 1.2
Road Surface Type Asphalt
Private Pool true
Waterfront Y/N false
Covered Spaces 4

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Property vs Single Family Average in 00968

Price
AVG $4.49M
$10M
Year Built
AVG 1977
1997