William Montero

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William Montero

Real Estate Professional

Specializing in multi-million dollar properties, William Montero has achieved more than $2 billion in career sales with a focus on discretion, sophistication and peerless client service. Will consistently outperforms his clients’ expectations with a data-driven approach and an unequaled understanding of the market, enabling him to set numerous sales records and source off-market opportunities across Massachusetts. Many of the most desirable properties in Boston are sold off market, and through his local and global network, Will offers his top-tier clientele access to qualified buyers and an exclusive selection of listings not found anywhere else.


In 2020, Will and colleague Amy Mizner established Mizner + Montero, a unique partnership between two reputable leaders in Massachusetts' luxury real estate market. The alliance was formed with the intention of bringing together two top real estate advisors with expertise spanning the urban and suburban markets, taking the home search process from daunting and overwhelming to personalized and exciting. Because Will and Amy deliver the same impeccable level of service, there is not only inherent trust, but constant collaboration. With this partnership, Will sold more than $128 million in property in 2020 and is able to better serve his clients as they navigate their real estate goals—from the city to the suburbs and beyond.


Will has provided buyer and seller representation in numerous significant sales including:


-Four Seasons Private Residences One Dalton Street, Penthouse, Boston – $16,500,000

-The St. Regis Residences Boston, Penthouse 1E, Boston – Under Contract

-130 Commonwealth Avenue, Boston – $11,600,000


-2 Commonwealth Avenue, Unit 11C, Boston – $10,500,000


-74 Beacon Street, Boston – $9,500,000


-51 Commonwealth Avenue, Boston – $5,450,000


-10 Albion Road, Wellesley – $4,950,000


-811 Fox Hill Road, Chatham – $5,825,000


-259 Marlborough Street, Boston – $4,575,000


-163 Marlborough Street, Boston – $4,418,000


-220 Boylston Street, Boston – $7,350,000


-776 Boylston Street, Boston – $11,950,000


-400 Stuart Street, Penthouse 1, Boston – $6,500,000


-282 Beacon Street, Unit 7, Boston – $3,850,000


-282 Marlborough Street, Unit 1, Boston – $4,400,000


-400 Stuart Street, Unit 21E, Boston – $3,995,000


-776 Boylston Street, Unit E9F, Boston – $3,750,000


-110 Stuart Street, Penthouse 3, Boston – $4,850,000


-400 Stuart Street, Unit 21A, Boston – $3,600,00


-1 Avery Street, Unit 22A, Boston – $2,280,000


-50 Commonwealth Avenue, Boston – $2,400,000


-294 Newbury Street, Penthouse, Boston – $2,800,000

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