Home state: Delaware
    Open membership
    Lends in 2 states

    TIDEMARK mortgage rates

    TIDEMARK's lowest publicly advertised 30-year fixed rate today is 6.625% — the national average is 6.88%. That's about $24,411 saved over the life of a $400,000, 30-year loan. We track TIDEMARK daily and refresh rates every morning.

    Rates as of Sep 10, 2026

    Today's rates from TIDEMARK

    ProductRateAPRPointsAs ofSource
    30 Year Fixed6.625%6.693%0Sep 10, 2026Visit
    20 Year Fixed6.375%6.464%0Sep 10, 2026Visit
    15 Year Fixed5.875%5.985%0Sep 10, 2026Visit
    5 Year ARM6.375%6.429%0Sep 10, 2026Visit
    7 Year ARM6.5%6.554%0Sep 10, 2026Visit
    10 Year ARM6.75%6.805%0Sep 10, 2026Visit

    Rate history

    Lowest daily rate TIDEMARK advertised for each product, past 90 days.

    Collecting data — the trend chart appears after a few days of tracking.

    Who can join TIDEMARK

    Tidemark Federal Credit Union is open to anyone who lives, works, worships, or attends school in Sussex and Kent Counties in Delaware, or Somerset, Worcester, and Wicomico Counties in Maryland. Additionally, anyone nationwide can join by becoming a member of the Tidemark Foundation.

    Open membership. Anyone in the U.S. can join — no employer, geographic or association requirement.
    County
    Sussex County, DE, Kent County, DE, Somerset County, MD, Worcester County, MD, Wicomico County, MD

    Where TIDEMARK writes mortgages

    TIDEMARK publishes mortgage lending in 2 states.

    Eligibility indicates likely eligibility only. Confirm membership and lending availability directly. See our methodology.

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