Guan Yu Li signs $6M loan with CrowdFunz for medical development in Dyker Heights

Guan Yu Li through the entity 6418 8th Ave Realty LLC as borrower signed a loan with lender CrowdFunz through the entity Crowdfunz 624 LLC valued at $6 million for the medical office building project at 6418 8th Avenue in Dyker Heights, Brooklyn.

On the lot, there is one active new building construction project, B00991102, for a 19,187 square-foot commercial medical building. The project was submitted by Guan Yu Li and filed by Guan Yu Li with plans filed January 22, 2024 and permitted April 17, 2025.
The deal closed on August 29, 2025 and was recorded on September 25, 2025. The prior lender was AMS Capital Solutions which held debt that had an original loan amount of $2.4 million.The property has zero square feet of built space and 8,000 square feet of additional air rights for a total buildable of 8,000 square feet according to a PincusCo analysis of city data. The loan price per built square foot is $N/A and the price per buildable square foot is $750 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 owner bought the property on August 29, 2023, for $4.3 million. The signatory for Guan Yu Li was Guan Yu Li. The signatory for CrowdFunz was Jing An .

The property

The parcel has frontage of 100 feet and is 80 feet deep with a total lot size of 8,000 square feet. The zoning is M1-1 which allows for up to 1 times floor area ratio (FAR) for manufacturing. The city-designated market value for the property in 2022 is $416,000.

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 two DOB violations, $14,435 in ECB penalties, and $14,735 in OATH penalties in the last year.

Development

The neighborhood

In Dyker Heights, The bulk, or 30 percent of the 7.1 million square feet of commercial built space are mixed-use buildings, with walkup buildings next occupying 26 percent of the space. In sales, Dyker Heights has had very little sales volume relative to other neighborhoods with $168 million in sales volume in the last two years. For development, Dyker Heights has had very little major development activity relative to other neighborhoods.It had 267,602 square feet of commercial and multi-family construction under development in the last two years, which represents 4 percent of the neighborhood’s built space.

The block

On this tax block, PincusCo has identified the owners of two of the 17 commercial properties representing 5,101 square feet of the 199,916 square feet. The two identified owners are Guan Yu Li and Luba Perlman.
On the tax block, there was one new building construction project filed totaling 19,187 square feet. It is a 19,187 square-foot 56 building submitted by Guan Yu Li and filed by Guan Yu Li with plans filed January 22, 2024 and permitted April 17, 2025.

The majority, or 44 percent of the 199,916 square feet of built space are industrial buildings, with office buildings next occupying 43 percent of the space.

The borrower

The PincusCo database currently indicates that Guan Yu Li owned at least three commercial properties with 138 residential units in New York City with 249,854 square feet and a city-determined market value of $49.9 million. (Market value is typically about 50% of actual value.) The portfolio has $76.6 million in debt, with top three lenders as Madison Realty Capital, 360 Capital Funding, and Goodman Capital respectively. Within the portfolio, the bulk, or 91 percent of the 249,854 square feet of built space are elevator properties, with M4 properties next occupying 9 percent of the space. They are all located in Brooklyn.

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