718-953-2732Central Brooklyn, NY · Serving all five boroughs
Our story

Since 2000, Flateau Realty Corp. has paired disciplined market analysis with block-by-block neighborhood knowledge.

Flateau Realty office neighborhood — classic Brooklyn streetscape

Committed to a better Brooklyn

Richard Flateau founded Flateau Realty Corp. to serve Bedford-Stuyvesant and Central Brooklyn with the same rigor he brought to finance at NYU Stern and Harvard.

Today our team handles residential and commercial sales and leases across every borough — with several agents who were born, raised, and still volunteer in the communities we represent.

How we work

Community first

  • Agents who live in the neighborhoods they serve
  • Long-term relationships over quick transactions
  • Support for block associations and local institutions

Full-service brokerage

  • Residential and commercial sales
  • Leases for apartments and retail
  • Guidance for estates and downsizing
Leadership

Licensed brokers and salespersons affiliated with Flateau Realty Corp.

Portrait of Richard Flateau

Richard Flateau

Corporate Broker

Richard Flateau · NYS Lic. 31FL0947818 · Licensed real estate salesperson affiliated with Flateau Realty Corp.

Flateau Realty Corp. · NYS Lic. 109926086

368A Decatur Street, Brooklyn, NY 11233

Founder of Flateau Realty Corp. with an MBA from NYU Stern and an A.B. from Harvard — serving Brooklyn since 2000.

Commercial salesMulti-familyInvestment property

Jeffrey Grannum

Licensed Salesperson

Jeffrey Grannum · NYS Lic. 10401249441 · Licensed real estate salesperson affiliated with Flateau Realty Corp.

Flateau Realty Corp. · NYS Lic. 109926086

368A Decatur Street, Brooklyn, NY 11233

Deal-maker with decades of NYC property management and labor-relations leadership.

Residential salesRentalsTownhouses

Gloria Sandiford

Corporate Broker

Gloria Sandiford · NYS Lic. 10311205381 · Licensed real estate salesperson affiliated with Flateau Realty Corp.

Flateau Realty Corp. · NYS Lic. 109926086

368A Decatur Street, Brooklyn, NY 11233

Corporate broker focused on downsizing, estates, and protecting homeowner equity in Central Brooklyn.

EstatesSeniorsHistoric properties

Maria Flateau

Licensed Salesperson

Maria Flateau · NYS Lic. 10401282697 · Licensed real estate salesperson affiliated with Flateau Realty Corp.

Flateau Realty Corp. · NYS Lic. 109926086

368A Decatur Street, Brooklyn, NY 11233

Patient, responsive guide for renters and buyers navigating competitive NYC markets.

RentalsFirst-time buyersManhattan apartments

Pierre Nicolas

Licensed Salesperson

Pierre Nicolas · NYS Lic. 10401387587 · Licensed real estate salesperson affiliated with Flateau Realty Corp.

Flateau Realty Corp. · NYS Lic. 109926086

368A Decatur Street, Brooklyn, NY 11233

Licensed salesperson supporting residential leases and sales throughout NYC.

RentalsUrban apartments

Join our team

Experienced agents and motivated newcomers: build your practice with a Brooklyn brokerage that values community.

View careers