Introduction
On March 12, 2026, mortgage rates are showing subtle shifts that could influence your next move. Whether you’re eyeing a new home or refinancing, small changes in rates can have big effects over time. Credit Unions like Columbia Community and Publix Employees continue to offer competitive options, with the lowest rate today at 4.75% for a Jumbo 15-year fixed purchase loan from Columbia Community. Meanwhile, Zillow’s national average for a 30-year fixed jumbo rose slightly to 6.29%, reflecting a modest uptick in longer-term borrowing costs. Inflation expectations have nudged up too, signaling some caution ahead. Here’s what you need to know before locking in a rate so you can make the most informed financial choice for your future.
New Purchase - Jumbo 15 yrs Fixed
Lender
2026-03-12
(Current Day)
(Current Day)
2026-03-05
(7 Days Ago)
(7 Days Ago)
2026-02-25
(15 Days Ago)
(15 Days Ago)
2026-02-10
(30 Days Ago)
(30 Days Ago)
2026-01-26
(45 Days Ago)
(45 Days Ago)
2026-01-11
(60 Days Ago)
(60 Days Ago)
2025-12-12
(90 Days Ago)
(90 Days Ago)
2025-09-13
(180 Days Ago)
(180 Days Ago)
5.50%
5.38%
-12.5 bps
5.25%
-25 bps
5.38%
-12.5 bps
5.38%
-12.5 bps
5.63%
+12.5 bps
5.63%
+12.5 bps
5.63%
+12.5 bps
4.75%
4.75%
4.63%
-12.5 bps
4.63%
-12.5 bps
5.00%
+25 bps
5.00%
+25 bps
5.13%
+37.5 bps
5.00%
+25 bps
5.38%
5.25%
-12.5 bps
5.25%
-12.5 bps
5.25%
-12.5 bps
5.38%
5.25%
-12.5 bps
5.38%
5.25%
-12.5 bps
5.25%
5.13%
-12.5 bps
5.00%
-25 bps
5.00%
-25 bps
5.13%
-12.5 bps
5.00%
-25 bps
4.75%
-50 bps
4.63%
-62.5 bps
5.50%
5.38%
-12.5 bps
5.25%
-25 bps
5.38%
-12.5 bps
5.38%
-12.5 bps
5.38%
-12.5 bps
5.38%
-12.5 bps
5.50%
New Purchase - Jumbo 30 yrs Fixed
Lender
2026-03-12
(Current Day)
(Current Day)
2026-03-05
(7 Days Ago)
(7 Days Ago)
2026-02-25
(15 Days Ago)
(15 Days Ago)
2026-02-10
(30 Days Ago)
(30 Days Ago)
2026-01-26
(45 Days Ago)
(45 Days Ago)
2026-01-11
(60 Days Ago)
(60 Days Ago)
2025-12-12
(90 Days Ago)
(90 Days Ago)
2025-09-13
(180 Days Ago)
(180 Days Ago)
6.00%
5.75%
-25 bps
5.75%
-25 bps
5.75%
-25 bps
5.88%
-12.5 bps
6.13%
+12.5 bps
6.25%
+25 bps
6.38%
+37.5 bps
5.88%
5.75%
-12.5 bps
5.75%
-12.5 bps
5.75%
-12.5 bps
5.88%
5.88%
6.00%
+12.5 bps
6.13%
+25 bps
6.00%
5.88%
-12.5 bps
5.63%
-37.5 bps
5.88%
-12.5 bps
5.88%
-12.5 bps
5.88%
-12.5 bps
6.00%
6.00%
6.13%
6.00%
-12.5 bps
5.88%
-25 bps
6.00%
-12.5 bps
6.00%
-12.5 bps
6.00%
-12.5 bps
6.00%
-12.5 bps
6.00%
-12.5 bps
6.00%
5.88%
-12.5 bps
5.88%
-12.5 bps
6.00%
5.88%
-12.5 bps
6.00%
6.13%
+12.5 bps
6.25%
+25 bps
ABERDEEN PROVING GROUND FEDERAL CREDIT UNION
On March 12, 2026, Jumbo 15 Year Fixed Purchase loans are priced at 5.5%, up 12.5 basis points from last week and also higher by the same margin compared to 30 days ago. Meanwhile, the Jumbo 30 Year Fixed Purchase rate stands at 6.0%, reflecting a larger increase of 25 basis points over the past seven and thirty days. These rising yields signal higher borrowing costs for jumbo loan borrowers, impacting affordability especially for those seeking longer-term financing options. First-time buyers with jumbo loan needs may face increased monthly payments, while homeowners considering refinancing should evaluate if fixed-rate stability offsets current rate elevations. Given these trends, members should carefully analyze mortgage strategies, including fixed-rate commitments or refinancing potential if cost savings outweigh upfront expenses. For details, visit https://www.apgfcu.com/rates/mortgage-rates.html.
COLUMBIA COMMUNITY CREDIT UNION
As of March 12, 2026, Jumbo 15-year fixed purchase loans maintain a stable rate at 4.75% with 1.0 point, unchanged over the past week but up 12.5 basis points compared to 30 days ago. This stability supports borrowers seeking shorter-term financing with predictable payments amid moderate yield spread fluctuations. Conversely, the Jumbo 30-year fixed purchase loan rate increased by 12.5 basis points week-over-week to 5.875% with 1.0 point, reflecting tighter long-term borrowing costs and a rise equal to the monthly trend.
For members planning large purchases, these movements indicate higher costs for extended terms while shorter terms remain steady. Borrowers valuing payment certainty should consider fixed-rate options; those evaluating purchase timing must account for recent upward shifts in longer-term yields. Assess refinancing potential only if expected savings exceed closing expenses given current rate levels.
For details, visit https://www.columbiacu.org/home-loans/.
DESERT FINANCIAL CREDIT UNION
As of March 12, 2026, Jumbo 15-Year Fixed Rate Purchase loans are priced at 5.375% with 1.125 points, marking a 12.5 basis point increase over the past week and month. Similarly, the Jumbo 30-Year Fixed Rate Purchase program stands at 6.0% with 0.875 points, also up by 12.5 basis points in the last seven and thirty days. These yield spread expansions indicate a higher cost of borrowing for jumbo loan borrowers compared to earlier periods, which may impact those seeking long-term financing stability or shorter-term payoff horizons. Members considering purchase loans should evaluate fixed-rate options carefully to manage interest rate risk amid recent upward adjustments. For those weighing refinancing, these trends underscore the importance of analyzing potential savings against closing costs given current rate shifts. For details, visit https://www.desertfinancial.com/en/rates#a_ref_2187.
HUDSON VALLEY CREDIT UNION
On March 12, 2026, 15-Year Fixed Jumbo Purchase rates increased by 12.5 basis points to 5.25%, marking a rise of 25 basis points compared to 30 days ago. Similarly, the 30-Year Fixed Jumbo Purchase rate climbed by 12.5 basis points week-over-week to 6.125%, up 12.5 basis points from a month prior. These upward shifts reflect tightening yield spreads and higher borrowing costs for jumbo loans. Members pursuing jumbo purchases should evaluate how rising rates impact monthly payments and total interest outlay, particularly those seeking long-term stability versus shorter terms. Given these trends, borrowers may consider locking fixed rates now or reassess refinancing options if current savings justify closing costs. For details, visit https://www.hvcu.org/personal/borrow/mortgages/mortgage-rates/.
NAVY FEDERAL CREDIT UNION
As of March 12, 2026, NAVY FEDERAL CREDIT UNION reports stable mortgage rates for jumbo loan products. The 15-year Fixed Conventional Jumbo rate remains steady at 5.375%, unchanged from both one week and one month ago, reflecting consistent yield spreads in short-term jumbo financing. Similarly, the 30-year Fixed Homebuyers Choice Jumbo rate holds at 6.75%, with no variation over the past seven or thirty days, indicating a stable cost of borrowing for longer-term jumbo loans.
These rate steadiness patterns suggest limited volatility in jumbo mortgage yields, which benefits members prioritizing predictable payments or planning large home purchases. First-time buyers and those seeking long-term affordability should consider fixed-rate options to lock in current rates. Meanwhile, homeowners with existing jumbo mortgages may evaluate refinancing only if closing costs are outweighed by potential savings.
For details, visit https://www.navyfederal.org/loans-cards/mortgage/mortgage-rates.html.
PUBLIX EMPLOYEES FEDERAL CREDIT UNION
As of March 12, 2026, 15-year fixed purchase loans offer the lowest rate at 4.78%, unchanged over the past week but down 8 basis points compared to 30 days ago. The 30-year fixed purchase rate remains steady at 5.23%, also unchanged this week and down 15 basis points month-over-month. These stable yields suggest modestly reduced borrowing costs over the last month, benefiting members seeking long-term financing predictability. First-time buyers may find the 15-year fixed option advantageous for lower overall interest expense, while those prioritizing smaller monthly payments might prefer the 30-year fixed product. Members considering refinancing should evaluate whether current rates sufficiently lower their cost of borrowing to justify associated fees. Given these trends, consider fixed-rate mortgages if you value payment stability; assess refinancing when potential savings exceed closing costs. For details, visit https://www.pefcu.com/loans/more-loan-info/loan-rates/#:~:text=financial%20institutions%20only.-,Mortgage%20RATES,-As%20of%20August.
SECURITY SERVICE FEDERAL CREDIT UNION
As of March 12, 2026, 15-Year Fixed Jumbo Purchase loans maintain the lowest rate at 6.0%, unchanged from both one and thirty days ago. Similarly, the 30-Year Fixed Jumbo Purchase loan holds steady at 6.5%, reflecting no movement over the past week or month. This stability in jumbo fixed-rate mortgages suggests consistent borrowing costs for members seeking higher loan amounts, with no recent yield spread volatility impacting these products. Borrowers prioritizing rate certainty may find the fixed 15-year jumbo option advantageous due to its lower rate and predictable payments. Given the absence of rate changes, members should evaluate their mortgage strategy carefully; those considering large purchases might benefit from locking in current rates while monitoring market shifts for potential refinancing opportunities when cost savings outweigh fees. For details, visit https://www.ssfcu.org/rates/home-loan-rates.
TROPICAL FINANCIAL CREDIT UNION
As of March 12, 2026, TROPICAL FINANCIAL reports stable mortgage rates for jumbo purchase loans. The 15-year jumbo fixed-rate remains steady at 5.5% with 1.125 points, unchanged from both one week and one month ago, reflecting no movement in yield spreads. Similarly, the 30-year jumbo fixed-rate holds firm at 5.625% with 0.75 points, maintaining its level over the past 30 days.
For members considering high-value home purchases, these consistent rates indicate a stable cost of borrowing, allowing for predictable monthly payments and long-term financial planning. Borrowers valuing rate stability may find the fixed-rate options appropriate for locking in current yields without exposure to market volatility.
Given this rate environment, members should evaluate their mortgage strategy carefully; consider fixed-rate jumbo loans if prioritizing payment certainty. Additionally, review refinancing possibilities when potential savings surpass associated costs.
WHATCOM EDUCATIONAL CREDIT UNION
As of March 12, 2026, Jumbo 15-Year Fixed Purchase rates increased by 12.5 basis points, reaching 5.50% from last week’s 5.375%. This upward movement also reflects a 12.5 basis point rise compared to 30 days ago. Meanwhile, the Jumbo 30-Year Fixed Purchase rate rose by the same margin over the past week to 6.00%, matching its level from one month prior.
These changes suggest a modest increase in the cost of borrowing for jumbo loan borrowers seeking longer-term financing stability or shorter payoff horizons. For buyers prioritizing lower monthly payments, the Jumbo 15-Year Fixed at 5.50% remains the lowest available option, albeit with slightly higher upfront points at 0.75.
Members should consider these yield spread trends when evaluating purchase timing or mortgage strategy. In particular, those valuing payment predictability may prefer fixed-rate options amid recent rate increases. Reviewing refinancing opportunities may also be prudent if projected savings outweigh associated costs.
For details, visit https://www.wecu.com/homeloans/purchase/.
Zillow National Average
As of March 12, 2026, mortgage rates for 15-Year Fixed Rate Jumbo loans have decreased to 6.011%, down by 0.10% from yesterday. In contrast, the 30-Year Fixed Rate Jumbo has seen a slight increase to 6.293%, up by 0.08% in the same timeframe. Over the past week, the 15-Year Fixed Rate Jumbo has fallen by 0.15%, indicating a favorable trend for borrowers seeking shorter-term financing options. Conversely, the 30-Year Fixed Rate Jumbo shows stability with minimal fluctuations. Borrowers should evaluate these movements carefully, as lower rates on the shorter term loans may provide cost-effective opportunities for refinancing or purchasing new homes.
Federal Reserve Economic Trends
Inflation expectations are reflected in the Breakeven Inflation Rate indicators, with the 10-Year at 2.360% and the 5-Year at 2.580%, suggesting stable inflation outlooks. Recent movements show that the largest decline was in Mortgage 30Yr Average Rates, which fell by 6.00 points over the past week, significantly impacting borrowing costs. Meanwhile, the Breakeven Inflation Rate 5Yr has increased by 0.11 points over 30 days, indicating rising inflation concerns that could pressure future rates. The lowest mortgage rate recorded is for Mortgage 30Yr FHA Average Rates at 5.859%. Borrowers should monitor these trends as they directly influence loan affordability and overall financial planning.
LendMesh
Sometimes, the best financial decisions are the ones you make with support and knowledge. That’s what LendMesh brings to the table for every homebuyer. Our platform was inspired by countless real-world stories—parents saving for a forever home, recent grads starting out, and even retirees downsizing to something just right. We partner with a trusted network of banks and credit unions to keep our rate comparisons honest and up to date. No matter your journey, our advisors have walked alongside buyers just like you, offering tools, tips, and a listening ear. Ready to see what’s possible in today’s market? Visit our Mortgage Loans page at https://www.lendmesh.com/loans/mortgage_loans and let’s plan your next move with confidence.
Conclusion
Looking ahead, even small fluctuations like the 0.125 percentage point increases seen in many Credit Union Jumbo loans can add up, raising monthly payments by tens of dollars and stretching total interest costs over decades. For buyers and refinancers alike, it’s wise to weigh the benefits of shorter-term loans with lower rates against the stability of longer terms. Keep an eye on inflation trends as they often shape mortgage pricing in subtle ways. If you’re planning to buy or refinance soon, consider locking in a competitive rate like the 4.75% Jumbo 15-year fixed from Columbia Community while evaluating how these changes affect your budget long term. Thoughtful timing and clear goals remain your best tools for navigating today’s mortgage landscape confidently.