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What Is the Share of Seriously Underwater Mortgages in Q1 2026?

In the first quarter of 2026, the percentage of seriously underwater properties across the U.S. increased quarterly and annually.

Percentage of Seriously Underwater Properties: 3.2 percent of mortgaged residential properties, where the combined estimated loan balances are at least 25 percent more than the property’s estimated market value

Monthly change: up from 3 percent in Q4, 2025

Year-over-year change: up from 2.8 percent in Q1, 2025

The states with the highest shares of seriously underwater homes in the first quarter were: Louisiana, Kentucky, Mississippi, Oklahoma, Arkansas.

What’s Driving Q1 2026 Underwater Trends?

The share of seriously underwater homes continued to edge higher in the first quarter of 2026, reaching 3.2 percent of mortgaged homes nationwide, up from 3 percent in the prior quarter and 2.8 percent a year earlier. The increase was broad-based, with seriously underwater rates rising quarter-over-quarter in 44 states and the District of Columbia and rising year-over-year in 45 states and the District of Columbia. Homeowner equity remains relatively strong overall, but the data show signs of moderation as the share of seriously underwater properties edges up across much of the country.

Percentage of Seriously Underwater Rates by State – Q1 2026

Below is the complete state-by-state ranking for the first quarter of 2026, listing each state’s share of seriously underwater properties and the top four counties with the highest percentages of seriously underwater homes.

1. Louisiana

11.8% seriously underwater, up from 10.7% last quarter and up from 10.5% last year

Counties: Vernon, Webster, Iberville, De Soto

2. Kentucky

8.5% seriously underwater, up from 7.9% last quarter and up from 7.3% last year

Counties: Adair, Pike, Greenup, Hopkins

3. Mississippi

8% seriously underwater, down from 8.3% last quarter and up from 6.6% last year

Counties: Washington, Lauderdale, Tate, Pike

4. Oklahoma

6.6% seriously underwater, up from 5.4% last quarter and up from 5.5% last year

Counties: Okmulgee, Pontotoc, Stephens, Garfield

5. Arkansas

6.4% seriously underwater, up from 5.6% last quarter and up from 5.8% last year

Counties: Columbia, Arkansas, Union, Hot Spring

6. Iowa

6% seriously underwater, up from 5.8% last quarter and up from 5.7% last year

Counties: Lee, Tama, Henry, Black Hawk

7. Kansas

5% seriously underwater, down from 5.3% last quarter and up from 4.7% last year

Counties: Dickinson, Finney, Wyandotte, Johnson

8. Missouri

4.9% seriously underwater, up from 4.6% last quarter and up from 4.7% last year

Counties: Butler, Dunklin, Saint Louis City, Scott

9. Illinois

4.9% seriously underwater, up from 4.7% last quarter and up from 4.8% last year

Counties: Mcdonough, Saline, Mason, Warren

10. West Virginia

4.5% seriously underwater, up from 4.4% last quarter and up from 4.2% last year

Counties: Harrison, Mercer, Wayne, Cabell

11. North Dakota

4.3% seriously underwater, up from 4.2% last quarter and down from 4.8% last year

Counties: Stutsman, Stark, Williams, Richland

12. Nebraska

4.3% seriously underwater, up from 4.2% last quarter and up from 4.1% last year

Counties: Scotts Bluff, Gage, Lincoln, Madison

13. Pennsylvania

4.3% seriously underwater, up from 3.9% last quarter and up from 3.9% last year

Counties: Greene, Jefferson, Philadelphia, Fayette

14. Ohio

4.3% seriously underwater, up from 4% last quarter and up from 4.1% last year

Counties: Belmont, Pike, Coshocton, Scioto

15. Maryland

3.8% seriously underwater, up from 3.7% last quarter and up from 2.9% last year

Counties: Baltimore City, Dorchester, Allegany, Somerset

16. Alabama

3.7% seriously underwater, up from 3.6% last quarter and up from 3.4% last year

Counties: Dallas, De Kalb, Montgomery, Walker

17. Indiana

3.7% seriously underwater, up from 3.3% last quarter and up from 3% last year

Counties: Miami, Jackson, Shelby, Washington

18. Tennessee

3.7% seriously underwater, up from 3.4% last quarter and up from 3.1% last year

Counties: Dyer, Lauderdale, Haywood, Obion

19. South Carolina

3.6% seriously underwater, up from 3.4% last quarter and down from 3.8% last year

Counties: Darlington, Laurens, Clarendon, Chesterfield

20. Georgia

3.5% seriously underwater, down from 3.5% last quarter and up from 3.1% last year

Counties: Decatur, Berrien, Colquitt, Muscogee

21. Wisconsin

3.5% seriously underwater, up from 3.4% last quarter and up from 3.4% last year

Counties: Taylor, Rusk, Monroe, Vernon

22. New Mexico

3.3% seriously underwater, up from 3% last quarter and up from 2.8% last year

Counties: Rio Arriba, Lea, Eddy, Los Alamos

23. Michigan

3.1% seriously underwater, up from 2.8% last quarter and up from 2.9% last year

Counties: Gogebic, Wayne, Branch, Cass

24. North Carolina

3.1% seriously underwater, up from 2.9% last quarter and up from 2.5% last year

Counties: Caswell, Vance, Edgecombe, Bladen

25. Minnesota

3% seriously underwater, up from 2.8% last quarter and up from 2.7% last year

Counties: Koochiching, Pennington, Hubbard, Wadena

26. South Dakota

3% seriously underwater, up from 2.9% last quarter and down from 3.4% last year

Counties: Yankton, Union, Minnehaha, Meade

27. Colorado

2.8% seriously underwater, up from 2.7% last quarter and up from 2.3% last year

Counties: Otero, Las Animas, Logan, Morgan

28. Delaware

2.8% seriously underwater, up from 2.5% last quarter and up from 2.4% last year

Counties: Sussex, Kent, New Castle

29. Idaho

2.8% seriously underwater, up from 2.6% last quarter and up from 2.5% last year

Counties: Valley, Shoshone, Franklin, Jerome

30. Utah

2.6% seriously underwater, up from 2.6% last quarter and up from 2.6% last year

Counties: Washington, Sevier, Box Elder, Carbon

31. Texas

2.6% seriously underwater, up from 2.3% last quarter and up from 2.3% last year

Counties: Starr, Lamar, Gray, Jim Wells

32. Maine

2.5% seriously underwater, up from 2.2% last quarter and up from 2.1% last year

Counties: Aroostook, Washington, Franklin, Piscataquis

33. Wyoming

2.4% seriously underwater, up from 2.3% last quarter and down from 2.5% last year

Counties: Campbell, Converse, Carbon, Uinta

34. Virginia

2.4% seriously underwater, up from 2.4% last quarter and up from 1.97% last year

Counties: Greene, Brunswick, Fluvanna, Pittsylvania

35. Florida

2.4% seriously underwater, up from 2.3% last quarter and up from 1.64% last year

Counties: Charlotte, Jackson, Gadsden, Marion

36. Arizona

2.2% seriously underwater, up from 2.1% last quarter and up from 1.81% last year

Counties: Santa Cruz, Graham, Navajo, Pinal

37. Oregon

2.2% seriously underwater, up from 2.1% last quarter and up from 1.8% last year

Counties: Jefferson, Malheur, Wasco, Coos

38. Alaska

2.2% seriously underwater, up from 2.1% last quarter and up from 2.2% last year

Counties: Matanuska-Susitna, Fairbanks North Star, Anchorage, Kenai Peninsula

39. Washington

2.1% seriously underwater, same as 2.1% last quarter and up from 1.93% last year

Counties: Pacific, Chelan, Grays Harbor, Stevens

40. Nevada

2.1% seriously underwater, up from 1.88% last quarter and up from 1.64% last year

Counties: Nye, Elko, Lyon, Churchill

41. Montana

1.93% seriously underwater, down from 2.2% last quarter and up from 1.89% last year

Counties: Yellowstone, Lewis And Clark, Silver Bow, Missoula

42. New York

1.89% seriously underwater, up from 1.81% last quarter and up from 1.84% last year

Counties: Saint Lawrence, Herkimer, Franklin, Cattaraugus

43. New Jersey

1.83% seriously underwater, up from 1.75% last quarter and up from 1.71% last year

Counties: Salem, Cumberland, Mercer, Hudson

44. Hawaii

1.81% seriously underwater, down from 1.89% last quarter and up from 1.33% last year

Counties: Maui, Honolulu, Hawaii, Kauai

45. California

1.7% seriously underwater, up from 1.66% last quarter and up from 1.34% last year

Counties: Trinity, Lake, Plumas, Siskiyou

46. Massachusetts

1.5% seriously underwater, up from 1.3% last quarter and up from 1.2% last year

Counties: Suffolk, Berkshire, Franklin, Hampden

47. New Hampshire

1.3% seriously underwater, up from 1.2% last quarter and up from 1.1% last year

Counties: Coos, Sullivan, Cheshire, Grafton

48. Rhode Island

1.2% seriously underwater, up from 1% last quarter and up from 1% last year

Counties: Bristol, Providence, Kent, Newport

49. Vermont

0.7% seriously underwater, same as 0.7% last quarter and same as 0.7% last year

Counties: Chittenden, Washington, Addison

Conclusion

The findings indicate that seriously underwater mortgage rates remain low across the U.S., but the first quarter of 2026 showed continued upward movement both quarterly and annually. Nationally, seriously underwater homes accounted for 3.2 percent of mortgaged properties, up from 3 percent in the prior quarter and 2.8 percent a year earlier, while the highest state-level rates were in Louisiana, Kentucky, Mississippi, Oklahoma, and Arkansas. Read ATTOM’s full first-quarter 2026 U.S. Home Equity & Underwater Report here.

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