Exhibit 10.21

ESCROW AGREEMENT

This ESCROW AGREEMENT, dated as of June 21st, 2023 (together with Schedule A hereto, this “Agreement”), is between Safe and Green Development Corporation, (“Issuer”), a Delaware corporation, with principal offices located at 990 Biscayne Blvd, Suite 501, Office 12, Miami, FL 33132and AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC, a New

York limited liability trust company, with principal offices located at 6201 15th Avenue, Brooklyn, New York, 11219 (“Escrow Agent”).

WHEREAS, Issuer has secured a bridge loan (the “Underlying Agreement”) from Bridgeline Capital Ventures on behalf of its compartment S&G Dev Corp Notes (the “Investor”), pursuant to which. Issuer shall place the Escrow Assets (as herein defined) in a segregated and restricted escrow account(s) titled in the name of the Escrow Agent as security for the payment of the Loan;

WHEREAS, the Escrow Agent has agreed to accept, hold, and disburse the Escrow Assets deposited with it in accordance with this Agreement; and

WHEREAS, in order to establish the Escrow Account(s) and otherwise to effect the provisions of the Underlying Agreement, the parties hereto have entered into this Agreement.

NOW THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto, for themselves, their successors and assigns, hereby agree as follows:

“Affiliate” means, with respect to any person, (a) a person which directly or indirectly through one or more intermediaries controls, is controlled by or is under common control with such person, (b) any person of which such person is the beneficial owner of a twenty-five percent (25%) or greater interest, or (c) any person which acquires all or substantially all of the assets of such person. A person is deemed to control another person if such person, directly or indirectly, has the power to direct the management, operations or business of such person. The term “beneficial owner” is to be determined in accordance with Rule 13d-3 of the Securities Exchange Act of 1934, as amended.

“Business Day” shall mean each day that is not a Saturday, Sunday or other day on which banking institutions located in New York are authorized or obligated by law or executive order to close.

“Escrow Assets” shall mean the Escrow Assets set forth on Schedule A hereto and deposited with Escrow Agent pursuant to Section 3 of this Agreement.

“Escrow Period” shall mean the period commencing on the date hereof and ending on the applicable termination date set forth on Schedule A hereto.

“Issuer Representative” shall mean the person(s) so designated on Schedule A hereto or any other person designated in a writing signed and delivered to Escrow Agent in accordance with the notice provisions of this Agreement.

“Written Direction” shall mean a written direction executed by the Issuer Representative and Investor directing the Escrow Agent to disburse all or a portion of the Escrow Assets or to take or refrain from taking an action pursuant to this Agreement.

The Escrow Agent shall have no liability to Issuer, or to its respective shareholders, partners, or members, officers or directors, employees, Affiliates or any other person with respect to any such suspension of performance or disbursement into court (including any disbursement obligations hereunder), specifically including any liability or claimed liability that may arise, or be alleged to have arisen, out of or as a result of any delay in the disbursement of the Escrow Assets or any delay in or with respect to any other action required or requested of the Escrow Agent, absent willful misconduct or gross negligence by the Escrow Agent.

After any retiring Escrow Agent’s resignation, the provisions of this Agreement shall inure to its benefit as to any actions taken or omitted to be taken by it while it was Escrow Agent under this Agreement. Any corporation or other entity into which the Escrow Agent may be merged or converted or with which it may be merged or consolidated, or any other entity to which all or a majority of all of the Escrow Agent’s escrow business may be transferred by sale of assets or otherwise, shall be the Escrow Agent under this Agreement without further act or consent of any party hereto.

The Escrow Agent shall not be obligated to take any legal or other action or commence any proceeding in connection with the Escrow Assets, any account in which Escrow Assets are deposited, this Agreement or the Underlying Agreement, or to appear in, prosecute or defend any such legal action or proceeding (whether or not it shall have been furnished with acceptable indemnification and advancement). The Escrow Agent may consult legal counsel selected by it in the event of any dispute or question as to the construction of any of the provisions hereof or of any other agreement or of its duties hereunder, or relating to any dispute or question involving any party hereto, and shall incur no liability and shall be fully indemnified from any liability whatsoever in acting in accordance with the written opinion of such counsel. The Issuer shall promptly pay, upon demand, the reasonable fees, costs and expenses of any such counsel. The Escrow Agent shall have no responsibility with respect to the use or application of any the Escrow Assets paid by the Escrow Agent pursuant to the provisions hereof.

The Escrow Agent is authorized, in its sole discretion, to comply with orders issued or process entered by any court with respect to the Escrow Assets, without determination by the Escrow Agent of such court’s jurisdiction in the matter. If any portion of the Escrow Assets is at any time attached, garnished or levied upon under any court order, or in case the payment, assignment, transfer, conveyance or delivery of any such property shall be stayed or enjoined by any court order, or in case any order, judgment or decree shall be made or entered by any court affecting such property or any part thereof, then and in any such event, the Escrow Agent is authorized, in its sole discretion, to rely upon and comply with any such order, writ, judgment or decree which it is advised by legal counsel selected by it is binding upon it without the need for appeal or other action; and if the Escrow Agent complies with any such order, writ, judgment or decree, it shall not be liable to any of the parties hereto or to any other person or entity by reason of such compliance even though such order, writ, judgment or decree may be subsequently reversed, modified, annulled, set aside or vacated.

The parties hereto consent to and agree to submit to the jurisdiction of any of the courts specified herein and agree to accept service of process to vest personal jurisdiction over them in any of these courts.

Each party hereto irrevocably and unconditionally waives any right to a trial by jury and agrees that any of them may file a copy of this section of this Agreement with any court as written evidence of the knowing, voluntary and bargained-for agreement among the parties hereto irrevocably to waive the right to trial by jury in any litigation related to or arising under this Agreement.

The Escrow Agent in any funds transfer may rely solely upon any account numbers or similar identifying numbers provided by the parties hereto to identify (i) a beneficiary, (ii) a beneficiary’s bank, or (iii) an intermediary bank. The Escrow Agent may apply any of the Escrow Assets for any payment order it executes using any such identifying number, even where its use may result in a person other than a beneficiary being paid, or the transfer of funds to a bank other than a beneficiary’s bank or an intermediary bank designated.

[signature page follows]

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed as of the date first above written.

SCHEDULE A

Escrow Assets:

Issuer Common Stock:           1,999,999 shares

The Acceptance Fee and the Annual Escrow Fee for each year of the term of this Agreement are payable upon execution of this Agreement. In the event the escrow is not funded, the Acceptance Fee and all related expenses, including attorneys’ fees, costs and expenses remain due and payable, and if paid, will not be refunded. Annual fees cover a full year in advance, or any part thereof, and thus are not pro-rated in the year of termination.

The fees quoted in this schedule apply to services ordinarily rendered in the administration of an escrow account and are subject to reasonable adjustment based on final review of documents, or when Escrow Agent is called upon to undertake unusual or extraordinary duties or responsibilities, or as changes in law, procedures, or the cost of doing business demand. Services in addition to and not contemplated in this Agreement, including document amendments and revisions, non-standard cash and/or investment transactions, calculations, notices and reports, and legal fees, will be billed as expenses.

Unless otherwise indicated, the above fees relate to the establishment of one escrow account. Additional sub-accounts governed by this Agreement may incur an additional charge. Transaction costs include charges for wire transfers, checks, internal transfers and securities transactions.

The fees quoted in this schedule are subject to reasonable adjustment by Escrow Agent in accordance with its customary practices and if it is called upon to undertake further unusual or extraordinary duties or responsibilities, or as changes in law, procedures, or the cost of doing business demand.

If to Issuer:

Blank Rome LLP

1271 Avenue of the Americas

New York, NY 10020

Attention:

Facsimile No.: ([●]) [●]-[●]

with a copy (which shall not constitute notice) to:

If to Escrow Agent at:

American Stock Transfer & Trust Company, LLC

6201 15th Ave

Brooklyn NY 11219

Attn: Escrow Department

Tel:

with copy to:

American Stock Transfer & Trust Company, LLC

48 Wall Street, 22nd Floor

New York, NY 10005

Attention: Legal Department

Email:

If to the Investor at:

Bridgeline Capital Partners, S.A.

2 Place de Strasbourg

L-2562 Luxembourg