Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in this Registration Statement on Form S-3 of Coastal Financial Corporation of our reports dated March 15, 2024, relating to the consolidated financial statements of Coastal Financial Corporation and subsidiaries (the “Company”) (which report expresses an unqualified opinion on the consolidated financial statements and includes an explanatory paragraph relating to the adoption of Accounting Standards Codification Topic 326, Financial Instruments - Credit Losses) and the effectiveness of internal control over financial reporting of the Company, appearing in the Annual Report on Form 10-K of the Company for the year ended December 31, 2023, filed with the Securities and Exchange Commission. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
/s/ Moss Adams LLP
Everett, WA
May 31, 2024