The founding partners at Upside Realty, LLC are real estate attorneys and demonstrated entrepreneurs with a deep respect for their clients’ long-term objectives and budget considerations. The Upside Realty team is led by corporate and transactional attorney MR. Juan Carlos Stolberg, who has represented clients working in a variety of fields, including real estate developers, fund advisers, tech startup founders, beverage distributors, restaurant owners, and more. Since 2003, Mr. Stolberg has been a Director at the Stolberg Group, a commercial and residential real estate holding company based in Old San Juan, Puerto Rico, responsible for overseeing and managing over 25 units in the old city alone.
Ms. Sashira Cortés joins Upside Realty as Operations Director, where she oversees all the firm’s management processes and client accounts. Before joining the team at Upside Realty, Sashira spent more than three years working in the financial space managing accounts and performing auditing and quality control. The Upside Realty team is pleased to move our clients closer toward their real estate purchasing, selling, and investment goals with efficiency and professionalism.
Lcda. María Cristina Falcón Font, is a Real State Broker and Attorney. At Upside, she is leading project management, contracts, client service, negotiations, property and business administration.
At Upside Realty, we understand all aspects of commercial and residential real estate as well as the legal aspects of the real estate industry in Puerto Rico. Get started on your real estate journey with a team of reliable, reputable professionals. Invest. Add Value. Profit.

Juan Carlos Stolberg

Sashira Cortés

Giancarlo Gonzalez

Lcda. María Cristina Falcón
208 Luna Street San Juan, Puerto Rico
7 Beds 6 Baths 8,310 SqFt 0.080 Acres
305 Calle De La Luna San Juan, Puerto Rico
5 Beds 5 Baths 5,150 SqFt 0.060 Acres
259 Calle Fortaleza San Juan, Puerto Rico
10 Beds 10 Baths 11,300 SqFt 0.120 Acres
14 Calle Sol San Juan, Puerto Rico
3 Beds 4 Baths 3,500 SqFt 0.040 Acres
252 Calle De La Tanca San Juan, Puerto Rico
5 Beds 3 Baths 5,500 SqFt 0.060 Acres
267 San Sebastian San Juan, Puerto Rico
3 Beds 3 Baths 2,600 SqFt 0.040 Acres
350 Sol San Juan, Puerto Rico
5 Beds 5 Baths 4,795 SqFt 0.040 Acres
354 Fortaleza Street San Juan, Puerto Rico
1 Beds 6 Baths 8,513 SqFt 0.070 Acres
201 Calle De La Tanca San Juan, Puerto Rico
3 Beds 3 Baths 4,400 SqFt 0.040 Acres
4 Calle San Justo Old San Juan, Puerto Rico
3 Beds 3 Baths 2,400 SqFt 0.050 Acres
268 Calle Norzagaray San Juan, Puerto Rico
3 Beds 3 Baths 2,300 SqFt 0.010 Acres
205 San Justo Street San Juan, Puerto Rico
1 Beds 2 Baths 3,800 SqFt 0.010 Acres
54 Calle Cruz San Juan, Puerto Rico
6 Beds 3 Baths 3,400 SqFt 0.050 Acres
306 Calle Sol San Juan, Puerto Rico
1 Beds 1 Baths 940 SqFt 0.020 Acres
204 Calle San Jose San Juan, Puerto Rico
1 Beds 1 Baths 1,700 SqFt 0.040 Acres
1333 CALLE 8 SO Urb Caparta Terrace San Juan, Puerto Rico
3 Beds 2 Baths 1,000 SqFt 238 Acres