Real Estate: New York/Expert Profile

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I believe I can answer questions in the following sub categories with respect to New York City: Residential Brokerage, Landlord Tenant disputes, Any type of lease questions, any definition pertaining to residential real estate, any questions about property management, most questions about development, construction codes, and housing laws, questions about Section 8, HPD and government sponsored housing. Also corporate and short term housing questions.

Experience in the area

I am currently the President of Think Properties NYC, a residential brokerage firm in New York City. I am also President of National Property Management Group. We manage over 1000 Residential Units and 50 retail/commercial units, generally as tax payers or part of mixed use buildings. We handle project management, marketing, and rentals/sales of new construction properties as well.


The Real Estate Board of New York (REBNY), Boutique Brokerage Firm Alliance (President)


New York Times, Real Estate Weekly, Wikipedia, Wiki-answers


Undergrad: Union College Degree: Bachelors Degree, Double Major Economics/French Graduate: New York University Degree: Masters of Science, Masters in Real Estate Development Licensed Real Estate Broker in State of New York

Awards and Honors

Undergrad: Phi Beta Kappa, National Honor Society, Magna Cum Laude

Past/Present Clients

Oakwood Worldwide, JP Morgan Chase (for Relocation), and several other firms.

Average Ratings

Recent Reviews from Users

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    K = Knowledgeability    C = Clarity of Response    P = Politeness
Cristina01/17/17101010Mark responded very quickly and his response .....
Dan04/27/15101010Thank you.
K04/25/15101010Dear Mark, Thank you for your prompt .....
J04/17/15101010Thank you, Mark, for all your valuable .....

Recent Answers from Mark Shemel

2017-01-16 Solar panels and roof rights vs. roof ownership:

It appears you have the right to install, but the obligations to maintain those areas may change.  It's possible the unit owner can argue and bring you to court, but I don't think they would win.  It does

2017-01-15 Solar panels and roof rights vs. roof ownership:

I think this really depends on the bylaws of the coop.  How are the rights for the rooftop units written here?  There should be specific language about this.  Let me know.

2015-04-25 rents:

most landlords don't like it when you ask your neighbors how much their rent is.  but it certainly is not appalling.  if you find that asking your neighbors how much they paying the rent bothers your landlord

2015-04-16 rent increase:

without the proper notification, your landlord cannot pretend the apartment was vacant and raise your rent by 20%. I believe the notification. Between 60 and 90 days. there is a website on that

2015-04-15 rent increase:

Hi J,    That really depends on what type of apartment you live in.  If the apartment is Free Market, the landlord can raise the rent by any amount that he wants.   If your apartment is rent stabilized


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