Our law practice is devoted primarily to shared ownership, including fractional ownership of vacation homes and resorts, tenancy in common (TIC) for both occupancy and investment, subdivisions and condominium conversions, equity sharing, shared appreciation mortgages, investment partnerships, crowdfunding, private securities offerings, and other co-ownership matters. Over the past five years, we have assisted numerous startups developing web-based platforms for real estate investment and equity sharing.

We work on projects ranging from individual homes to large developments, and represent sellers, buyers, developers, internet entrpeneurs, and real estate professionals of all kinds.

From our offices in San Francisco California and Paris France, we have worked on projects all over the world, including most U.S. States, as well as Mexico, Canada, Italy, France, Spain, Portugal, England, Ireland, Morocco, Argentina, Nicaragua, Costa Rica, Panama, Dominican Republic, Barbados, St. Barts, Bermuda, Granada, St. Kitts, Belize, Thailand, and Indonesia. Since 1985, we have prepared fractional ownership documentation for over 6,000 clients.

In addition to advising clients, Andy Sirkin has personally developed more than 40 real estate projects throughout the world, and managed a successful real estate brokerage and syndication companies. He was an accredited instructor with the California Department of Real Estate, and frequently conducts TIC, equity sharing and fractional ownership workshops for buyers, sellers, developers, and real estate agents. He is a vocal advocate for creation of affordable home ownership opportunities, has made numerous appearances on San Francisco Bay Area television and radio, and addressed the Commonwealth Club of California. Andy was the original co-author of  The Condominium Bluebook, published annually by Piedmont Press, and the author of The Equity Sharing Manual, first published by John Wiley and Sons in November 1994 (order the book). A member of the California Bar since 1984, Andy graduated Magna Cum Laude and Order of the Coif from Boston College Law School, where he served as editor of the Boston College Law Review, and Summa Cum Laude from University of Vermont.

Rosemarie MacGuinness has worked with SirkinLaw APC since 2007. She prepares and reviews shared-ownership agreements, condominium governing documents, and advises on the operation, enforcement and dispute resolution procedures in small homeowner associations. Her practice also includes the preparation of loan documents and easement agreements addressing access and other rights between adjacent property owners. Rosemarie manages the subdivision department at SirkinLaw, which handles applications for residential and commercial conversion and new-construction projects.She is an Executive Committee member of the Real Property Section of the San Francisco Bar Association, and has participated on continuing legal education panels regarding co-ownership issues for both the California State Bar and the San Francisco Bar Associations. Rosemarie frequently provides educational workshops to real estate agents, and has worked with the San Francisco Association of Realtors regarding their publications. Prior to joining SirkinLaw, Rosemarie was Senior Counsel and Director of Arbitration at the Pacific Stock Exchange and a construction litigator with McInerney and Dillon in Oakland. She is also a licensed real estate broker and a rental property owner. Rosemarie obtained her law degree from University College Dublin, Ireland, and her Master’s Degree from Northeastern University, Boston, Massachusetts.