Sayedahmed, Sigourney pay $3M to Stellar for 20-unit walkup in Washington Heights

Sharif Sayedahmed and Andre Rives Sigourney through the entity Ramo WH Rentals LLC paid $3 million to Stellar Management through the entity Five Twenty Nine Audubon Associates for the 20-unit residential walkup building (C7) at 529 West 179th Street in Washington Heights, Manhattan. The expected use is cash flowing.
The deal closed on January 8, 2026 and was recorded on January 9, 2026. The property has 21,325 square feet of built space according to a PincusCo analysis of city data. The sale price per built square foot is $140 per the PincusCo analysis. (The price per square foot analysis is the transaction price divided by square feet as reported in public records and assumes no air rights have been sold.)
The signatory for Stellar Management was Adam Roman . The signatory for Sharif Sayedahmed and Andre Rives Sigourney was Sharif M. Sayedahmed and Andre Rives Sigourney. The contract date was October 29, 2025.

Prior sales, articles and revenue

Prior to this transaction, PincusCo has no record that the buyer Sharif Sayedahmed had purchased any other properties and has no record it sold any properties over the past 24 months.
The seller Stellar Management had not purchased any other properties and sold eight properties in eight transactions for a total of $167.9 million over the same time period. The former owners according to the Department of Housing Preservation and Development includes Smajlje Srdanovic, head officer and Ramses Capellan, officer. The business entity is Five Twenty Nine Audubon Associates. The 21,325-square-foot property generated revenue of $444,165 or $21 per square foot, according to the most recent income and expense figures.

The property

The residential walkup building with 20 residential units in Washington Heights has 21,325 square feet of built space according to a PincusCo analysis of city data. The parcel has frontage of 50 feet and is 100 feet deep with a total lot size of 5,000 square feet. The zoning is R7-2 which allows for up to 3.44 times floor area ratio (FAR) for residential. The city-designated market value for the property in 2022 is $2 million. The property has 16 rent regulated units according to city tax records from 2024.

Violations and lawsuits

There were no lawsuits or bankruptcies filed against the property for the past 24 months. In addition, according to city public data, the property has received seven housing violations in the last year.

Development

There are no active new building construction projects or major alteration projects with initial costs more than $1 million on this tax lot.

The block

On this tax block, PincusCo has identified the owners of nine of the 18 commercial properties representing 751,240 square feet of the 968,245 square feet. The largest owner is Jacob Schwimmer, followed by Nyc Housing Partnership and then Clairmont Group.
There are no active new building construction projects on this tax block.

The majority, or 53 percent of the 968,245 square feet of built space are elevator buildings, with walkup buildings next occupying 39 percent of the space.

The seller

The PincusCo database currently indicates that Stellar Management owned at least 80 commercial properties with 6,969 residential units in New York City with 9,591,900 square feet and a city-determined market value of $1.5 billion. (Market value is typically about 50% of actual value.) The portfolio has $3.5 billion in debt, with top three lenders as Goldman Sachs, New York Community Bank, and Bank of America respectively. Within the portfolio, the bulk, or 73 percent of the 9,591,900 square feet of built space are elevator properties, with office properties next occupying 11 percent of the space. The bulk, or 86 percent of the built space, is in Manhattan, with Brooklyn next at 6 percent of the space.

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