# 358 CALLE FORTALEZA, San Juan,  00971

> **TL;DR:** commercial, $1,495,000 ($300/sqft), built 1916, 4,978 sqft. Est. $6,478/mo.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $1,495,000 |
| Price/sqft | $300 |
| Square Feet | 4,978 |
| Year Built | 1916 |
| Lot Size | 195 sqft (0.00 acres) |
| Property Type | Commercial (Other) |
| Status | For Sale |
| Days on Market | 0 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $6,478 |
| **Total** | **$6,478** |

## Property Highlights

- Built in 1916
- 0.00 acre lot

## Description

### Agent Description
EXCLUSIVE INVESTMENT OPPORTUNITY | OLD SAN JUAN Where history becomes a strategic investment. Presented here is one of the most attractive assets currently available in Old San Juan, located on the iconic and highly trafficked Calle Fortaleza, in the heart of Puerto Rico's most exclusive historic district. KEY ASSET DETAILS Complete building comprised of five (5) registered units, each with its own independent deed, which represents one of the greatest attributes of value from an investment perspective. 4,978.05 square feet of construction, 195.48 square meter lot, Multi-level structure with a lookout/terrace area, Prime location with high tourist and commercial traffic, Cadastre: 040-003-057-05-001. DIFFERENTIATING VALUE: This asset is distinguished by a rare combination within the Old San Juan market: Prime location on Calle Fortaleza, Entire building within the historic district, Five units with independent deeds, allowing for total development flexibility and multiple exit strategies, High demand in the investment market, Scarcity of comparable properties available, The existence of independently titled units allows for maximizing future value through segmented sales, boutique condominium development, or diversified income structuring. DEVELOPMENT POTENTIAL The property allows for various high-yield strategies: Development of a boutique hotel with an experiential concept and rooftop terrace; Conversion to loft-style residences targeting the international market; Mixed-use project with commercial, residential, and rooftop components; Development of an apartment complex for sale or rent, capitalizing on the high demand in the historic area. Additionally, the buyer can benefit from economic and tax incentives applicable to historic properties and investment projects in Puerto Rico, which can represent significant advantages in terms of return, depending on the project structure and regulatory compliance. This type of asset is ideal for investors seeking to position themselves in the premium segment of Old San Juan, with the capacity to capture significant appreciation through repositioning. OPPORTUNITY PRICE A strategic entry into an asset with high appreciation potential in a market with limited inventory and constant demand. INFORMATION AND PRIVATE TOURS This is not simply a historic building. It is a development opportunity in one of the most coveted locations in Old San Juan, with a legal and physical structure designed to maximize return on investment. Please feel free to contact me for any further details..

## Location

- **Address:** 358 CALLE FORTALEZA, San Juan,  00971
- **Coordinates:** 18.4655079, -66.1126465
- **Google Maps:** https://www.google.com/maps?q=18.4655079,-66.1126465

## Listing Agent

- **Name:** Orbe Soto
- **Brokerage:** Keller Williams Grand Homes
- **Phone:** 7877068400
- **Email:** kwadmin@kellerwilliamspr.com

## Primary Photo

![358 CALLE FORTALEZA - Primary Photo](http://lh.rdcpix.com/22dbca9537335eeccf083d1ac305a806l-f1289967724r.jpg)

*26 total photos available on [listing page](https://www.propertysimple.com/listing/358-calle-fortaleza-san-juan-00971-pr64798)*

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**MLS#:** 64798 | **Updated:** 2026-06-18
**Source:** listhub

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

[View on PropertySimple](https://www.propertysimple.com/listing/358-calle-fortaleza-san-juan-00971-pr64798)

---

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