All - Architectural style - Queen Anne style
| Warren Block |
| Warren House |
| Warrick, John Wesley and Grace Shafer, House |
| Washington, William B. and Julia, House |
| Waterloo Library |
| Watkins, Albert, House |
| Watlington, Benjamin, House |
| Waunakee Railroad Depot |
| Way, Dr. J. Howell, House |
| Weaver, Gov. Arthur J., House |
| Webb, Alfred, Investment Properties |
| Webb, Elijah Thomas, House |
| Weis, Henry, House |
| Weldele, Simon, House |
| Welker, James R., House |
| Westcott Stock Farm |
| Whaley, Robert J., House |
| Whaley, W. B. Smith, House |
| Wheeler, Albert H., House |
| Wheeler, F.W., House |
| Wheeler House |
| Wheeler-Stallard House |
| White, Ai J., Duplex |
| White, Almond A., House |
| Whitefield Union Hall |
| Whitehead, C. H., House |
| White, Theodore, House |
| Whitewater Hotel |
| Whitmore, George Carter, Mansion |
| Whittier, John Greenleaf, School, No. 33 |
| Wickham, O. P., House |
| Williams House |
| Williams, William G. and Anne, House |
| Wilson, Blanche A., House |
| Wilson Block |
| Wilson-Vines House |
| Winder Depot |
| Wisconsin Land and Lumber Company Office Building |
| Wishard, Henry, House |
| Withers House |
| Withers-Maguire House |
| Woelke, John, House |
| Wolfe, Thomas, House |
| Woodland Street Historic District |
| Woodwardville |
| Wright, C. J., House |
| Wright, John R., House |
| Wyant-Talbot House |
| Yeakel, Edward, House |
| Yewell House |
| Young, John, House |
| Young Men's Christian Association Building |
| Young-Yentes-Mattern Farm |
| Zitterell, William J. and Hattie J., House |
Data from United States Park Service and Wikidata