Current San Antonio, Texas and the surrounding area money market deposit account rates include Baxter Credit UnionBaxter Credit Union7034 Alamo Downs Pkwy, San Antonio, TX 78238A5.0 ★Texas Ratio: 7.04% Money Market Special Intro rate at 3.50% APY, Sunflower BankSunflower Bank970 E Basse Rd, San Antonio, TX 78209A+5.0 ★Texas Ratio: 5.67% Thrive Money Market at 3.45% APY, TruistTruist1000 Nw Loop 410, San Antonio, TX 78213A+5.0 ★Texas Ratio: 3.63% Small Business Money Market Account at 3.25% APY, UNIFY Financial Federal Credit UnionUNIFY Financial Federal Credit Union1 Lone Star Pass Bldg 1, San Antonio, TX 78264B4.4 ★Texas Ratio: 17.71% Money Market Plus Account at 3.25% APY, and Farm Bureau Bank FSBFarm Bureau Bank FSB17300 Henderson Pass, San Antonio, TX 78232A+5.0 ★Texas Ratio: 2.42% Plus Money Market at 2.50% APY. Money market rates as of June 29, 2026 according to verified data from MonitorBankRates.
San Antonio has 13 local institutions in our database, with money market rates as high as 3.50% APY from Baxter Credit Union at 7034 Alamo Downs Pkwy, San Antonio, TX 78238. Use the table below to compare all available offers, including options from institutions serving the broader Texas area. Rates are continually updated — we recommend checking back frequently.
Rates reflect recent market quotes and representative offers available to depositors in San Antonio, Texas and surrounding area. Last Updated and Verified: June 29, 2026
$15,000+
Tiered balance; $24,999.01 & Above
Eligible clients can earn a 3.25% annual percentage yield (APY) with a new Truist Business Money Market account. Rates may vary based on branch location and whether you open an account in a branch, by phone or online. Interest earned is based on the following ledger balance tiers: Tier 1 - $0.01 to $4,999.99; Tier 2 - $5,000 to $99,999.99; Tier 3 - $100,000 to $499,999.99; Tier 4 - $500,000 to $999,999.99; Tier 5 - $1,000,000 to $4,999,999.99; Tier 6 - $5,000,000 or greater. Tiers 1-6 are eligible for this 3.25% Annual Percentage Yield (APY) variable rate offer. Your new Money Market Account could initially earn a rate lower than 3.25% APY. However, within 10 calendar days of account opening, your eligible account will automatically upgrade to the 3.25% APY rate. The standard interest rate and APY are 0.01% for balances $0.01 and greater. Fees may reduce earnings.
Tiered balance; $24,999.00 & Below
MMA Rates and APYs valid for IRAs
Up to six free withdrawals per statement cycle.
$1,000,000 and up
MMA Rates and APYs valid for IRAs
$100,000 to $999,999
$15,000+
MMA Rates and APYs valid for IRAs
MMA Rates and APYs valid for IRAs
Annual Percentage Yield (APY) is accurate as of August 28, 2025. Rates offered may change without notice. Fees may reduce yield. Each depositor is FDIC-insured up to applicable limits. For additional terms and conditions, contact Plains State Bank.
$25,000 - $49,999
$2,500 - $24,999
As High As
MMA Rates and APYs valid for IRAs
MMA Rates and APYs valid for IRAs
MMA Rates and APYs valid for IRAs
E-Option
MMA Rates and APYs valid for IRAs
E-Option
$15,000
MMA Rates and APYs valid for IRAs
Daily Balance Method
E-Option
E-Option
Interest rate up to
Annual Percentage Yield is accurate as of posting date and applies to new money deposits only. Rate is subject to change without notice after account opening. Fees and/or withdrawals could reduce the earnings on the account.
Tier: $100,000 and up
On balance above $350,000
Balance $50,000 or more
APY is accurate as of 12/01/2025. Required minimum balance to open is $500. To earn the stated APY, minimum balance required is $1,000,000. This is a variable rate account. Dividend rates and balance tiers may change at any time without prior notice. Dividends on Money Market Accounts will be compounded monthly and credited each calendar month. APY is accurate as of the last dividend declaration date. Fees could reduce the earnings on the account.
New money only
New money only
Balance: $1,000,000 or more
$500,000.00 and above
Balance: $750,000 to $999,999.99
Tiered balance
Compare local San Antonio, TX money market quotes against the statewide average
Daily money market rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.
Texas high-yield MMA rates currently average 3.218% APY.
Texas standard MMA rates currently average 0.770% APY.
Independent, Free, and Unbiased Rate Comparisons: MonitorBankRates.com is an independent rate comparison service. Our San Antonio, Texas money market rate tables are free for consumers to use, and we do not receive payment from any financial institution to be included or to be ranked in any particular order. Listings are based solely on the rates each institution publicly advertises on its own website.
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Direct-Sourced & Verified Money Market Rate Data: We aggregate money market deposit account rates for San Antonio, Texas directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. Every money market rate displayed on MonitorBankRates.com is highly accurate and trustworthy.
Local, Regional, and National Coverage: Our systems constantly monitor the market to provide a complete picture of available yields in San Antonio, Texas. We feature a comprehensive mix of institutions from neighborhood credit unions and mid-sized regional banks to large national institutions available to savers in TX.
Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update money market rates daily. Because MMA yields can fluctuate rapidly based on market conditions, every product listed features its own specific “last updated” date, giving you complete transparency.