The NACDL recently updated their site with a map that links you to each state now.<br />
The new layout takes all the guessing out and states either ‘yes or no’ or recommendations for recording and then summarizes the Policy, General Rule Exceptions and Consequences for not recording.
Click Your State to Get Up to Date Recording Laws

Alabama

Alaska

Arkansas

Arizona

California

Colorado

Connecticut

Delaware

District of Columbia

Florida

Georgia

Hawaii

Idaho

Illinois

Indiana

Iowa

Kansas

Kentucky

Louisiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Montana

Nebraska

Nevada

New Hampshire

New Jersey

New Mexico

New York

North Carolina

North Dakota

Ohio

Oklahoma

Oregon

Pennsylvania

Rhode Island

South Carolina

South Dakota

Tennessee

Texas

Utah

Vermont

Virginia

Washington

West Virginia

Wisconsin

Wyoming