Benjamin E. Briscoe House (Cochise County, Arizona)
Benjamin H. Snyder House (Berkeley County, West Virginia)
Benjamin Hamilton House (Deschutes County, Oregon)
Benson Dillon Billinghurst House (Washoe County, Nevada)
Benson Historic District (Johnston County, North Carolina)
Benton Avenue Historic District (Rock County, Wisconsin)
Benton Park District (St. Louis, Missouri)
Bergman High School (Boone County, Arkansas)
Berkeley Lake Park (Denver County, Colorado)
Berkeley Park Historic District (Fulton County, Georgia)
Berkeley Square Historic District (Mercer County, New Jersey)
Berlin Historic District (Camden County, New Jersey)
Berry House (White County, Arkansas)
Berry--Sigler Investment Property (Yamhill County, Oregon)
Berryville Agriculture Building (Carroll County, Arkansas)
Berryville Gymnasium (Carroll County, Arkansas)
Berryville Historic District (Clarke County, Virginia)
Bert and Fay Havens House (Jerome County, Idaho)
Berteling Building (St. Joseph County, Indiana)
Bertschy House (Benton County, Arkansas)
Berwick Armory (Columbia County, Pennsylvania)
Bethany Deaconess Hospital (Power County, Idaho)
Bethel AME Church (Scott County, Iowa)
Bethel House (Prairie County, Arkansas)
Bettis Academy and Junior College (Edgefield County, South Carolina)
Historic school for the education of African-American children near Trenton, SC
Beyerlein House (Pulaski County, Arkansas)
Big Flat School Gymnasium (Baxter County, Arkansas)
Big Springs Ranger Station (Coconino County, Arizona)
Big Woods School (Du Page County, Illinois)
Billingsville School (Mecklenburg County, North Carolina)
Billsborough House (Flathead County, Montana)
Billy Ketchum House (Mendocino County, California)
Bird Haven (Kanawha County, West Virginia)
Birdtown Historic District (Cuyahoga County, Ohio)
Bisbee Woman's Club Clubhouse (Cochise County, Arizona)
Bishop House (Natrona County, Wyoming)
Bismarck Cathedral Area Historic District (Burleigh County, North Dakota)
Bixby--Bryant Ranch House (Orange County, California)
Black Mountain College Historic District (Buncombe County, North Carolina)
Blackfeather Farm (Johnson County, Kansas)
Blackfoot Railway Depot (Bingham County, Idaho)
Blaine Smith House (Multnomah County, Oregon)
Blandford (Lake County, Florida)
Blanton School (Hunt County, Texas)
Blenman--Elm Historic District (Pima County, Arizona)
Bloom House (White County, Arkansas)
Bloomfield Street Historic District (Clarke County, Georgia)
Bloomsbury Historic District (Wake County, North Carolina)
Blue Bend Forest Camp (Greenbrier County, West Virginia)
Boiling Springs Historic District (Cumberland County, Pennsylvania)
Bolick Historic District (Catawba County, North Carolina)
Bollinger-Hartley House (Watauga County, North Carolina)
Bon Ton Historic District (Gallatin County, Montana)
Bond--Sullivan House (Sedgwick County, Kansas)
Bonnots Mill Historic District (Osage County, Missouri)
Booker Farm (Union County, Tennessee)
Boslough-Claycomb House (Jackson County, Oregon)
Bottoms House (Miller County, Arkansas)
Bouas House (St. Louis County, Missouri)
Boulder City Historic District (Clark County, Nevada)
Boulders, The (Orange County, New York)
Boulders, The (Putnam County, Indiana)
Boulevard Historic District (Clarke County, Georgia)
Boulevard Subdivision Historic District (Leflore County, Mississippi)
Bowen Court (Los Angeles County, California)
Boxwood Lodge (Davie County, North Carolina)
Boyd--Hall House (Taylor County, Texas)
Boykin Mill Complex (Kershaw County, South Carolina)
Boylan Heights (Wake County, North Carolina)
Bozeman Brewery Historic District (Gallatin County, Montana)
Brackett House (Middlesex County, Massachusetts)
Braden Castle Park Historic District (Manatee County, Florida)
Bradford Village Historic District (Washington County, Rhode Island)
Brady Heights Historic District (Tulsa County, Oklahoma)
Brae-Burn Historic District (Middlesex County, Massachusetts)
Brandeis University President's House (Middlesex County, Massachusetts)
Branson City Park Historic District (Taney County, Missouri)
Brantley Historic District (Crenshaw County, Alabama)
Breezedale Historic District (Douglas County, Kansas)
Brevard College Stone Fence and Gate (Transylvania County, North Carolina)
Brickenstein-Leinbach House (Forsyth County, North Carolina)
Brighton Town Hall (Franklin County, New York)
Brister School House (Winn Parish, Louisiana)
Broad-Kenan Streets Historic District (Wilson County, North Carolina)
Broadmoor Historic District (Orleans Parish, Louisiana)
Brook Hill Farm (Bedford County, Virginia)
Brookfield Center Historic District (Fairfield County, Connecticut)
Brooks Lake Lodge (Fremont County, Wyoming)
Brookside (Morris County, New Jersey)
Brookwood Hills Historic District (Fulton County, Georgia)
Broomfield Rowhouse (Douglas County, Nebraska)
Brothers-O'Neil House (Bracken County, Kentucky)
Brown House (White County, Arkansas)
Brown--Evans House (Walworth County, South Dakota)
Brownstetter House (Yuma County, Arizona)
Brownsville Northside Historic District (Fayette County, Pennsylvania)
Bruner, Mayall, House (Middlesex County, Massachusetts)
Bruno School Building (Marion County, Arkansas)
Brunzell House (Ada County, Idaho)
Bryan Court (Los Angeles County, California)
Bryan Neck Presbyterian Church (Bryan County, Georgia)
Buchtel Bungalow (Denver County, Colorado)
Buckhead Historic District (Morgan County, Georgia)
Buckhorn Mineral Springs Resort (Jackson County, Oregon)
Buckingham Apartments (Vanderburgh County, Indiana)
Bud Fendley House (Searcy County, Arkansas)
Buell's Lane Historic District (Suffolk County, New York)
Buena Vista Heights Historic District (Clarke County, Georgia)
Buford School Building (Baxter County, Arkansas)
Building at 218 Spring (Mohave County, Arizona)
Building at 614 Main Street (Barnstable County, Massachusetts)
Bulloch Family House (Meriwether County, Georgia)
Bulls Gap Historic District (Hawkins County, Tennessee)
Bungalow Colony Historic District (Bexar County, Texas)
Bungalow Heaven Historic District (Los Angeles County, California)
Bungalow Historic District (Finney County, Kansas)
Burge House (Harris County, Texas)
Burgess, Frank, House (Norfolk County, Massachusetts)
Burkhardt Historic District (St. Louis County, Missouri)
Burnap-Rickard House (Benton County, Oregon)
Burnham--Marston House (San Diego County, California)
Bush House (Pulaski County, Arkansas)
Bush-Usher House (Stewart County, Georgia)
Buttonwood Park Historic District (Bristol County, Massachusetts)
Byron Farmstead (Parker County, Texas)
Byron Redden House (Maricopa County, Arizona)
Byus--Kirkland House (Angelina County, Texas)
Bywater Historic District (Orleans Parish, Louisiana)
C and H Refinery Historic District (Niobrara County, Wyoming)
C. B. Power Bungalow (Lewis and Clark County, Montana)
C. D. Kelly House (White County, Arkansas)
C. E. Chambers House (Davison County, South Dakota)
C.E. Thompson General Store and House (Clark County, Arkansas)
C.L. and Bessie G. McGhee House (Franklin County, North Carolina)
Cabbagetown District (Fulton County, Georgia)
Cactus Inn (Maricopa County, Arizona)
Caddo Valley Academy Complex (Montgomery County, Arkansas)
Cadiz Township Joint District No. 2 School (Green County, Wisconsin)
Former School repurposed as a private residence
Cafeteria Building--Cleveland School (Conway County, Arkansas)
Cal-Vada Lodge Hotel (Washoe County, Nevada)
Caldwell House (White County, Arkansas)
Calhoun Street Historic District (Leon County, Florida)
Calvary Lutheran Church & Parsonage (Marion County, Oregon)
Cama Beach Resort (Island County, Washington)
Cameron Court District (DeKalb County, Georgia)
Cameron Historic District (Moore County, North Carolina)
Cameron Park (Wake County, North Carolina)
Camp Billings (Orange County, Vermont)
Camp Clover Ranger Station (Coconino County, Arizona)
Camp Curry Historic District (Mariposa County, California)
Camp George West Historic District (Jefferson County, Colorado)
Camp Intermission (Franklin County, New York)
Camp Pinchot Historic District (Okaloosa County, Florida)
Camp Sherman Community Hall (Jefferson County, Oregon)
Campbell, Collen C., House (Barnstable County, Massachusetts)
Heavily altered, with an addition to the front
Canadian National Railways Depot (Lake of the Woods County, Minnesota)
Candler Park Historic District (DeKalb County, Georgia)
Canelo Ranger Station (Santa Cruz County, Arizona)
Canemah Historic District (Clackamas County, Oregon)
Cannelton Historic District (Perry County, Indiana)
Cape Charles Historic District (Northampton County, Virginia)
Cape Lookout Village Historic District (Carteret County, North Carolina)
Capitol Avenue Historic District (Cole County, Missouri)
Capitol View Historic District (Fulton County, Georgia)
Caplewood Drive Historic District (Tuscaloosa County, Alabama)
Capt. Charles C. Henderson House (Clark County, Arkansas)
Capt. George Raabe House (Multnomah County, Oregon)
Capt. W. F. Purdy House (Sarasota County, Florida)
Cardwell-Holman House (Multnomah County, Oregon)
Carl House (Benton County, Arkansas)
Carl's Addition Historic District (Benton County, Arkansas)
Carlos and Anne Recker House (Marion County, Indiana)
Carlton Place Historic District (Tulsa County, Oklahoma)
Carmichael-Loudon House (Yakima County, Washington)
Carolina Place Historic District (New Hanover County, North Carolina)
Caroline Mark House (Carroll County, Illinois)
Carr School (St. Louis, Missouri)
Carriage House Historic District (Custer County, Montana)
Carrington House (Suffolk County, New York)
Carroll Avenue, 1300 Block (Los Angeles County, California)
Carrollton Historic District (Orleans Parish, Louisiana)
Carson--Annis Ferry Farm (Butler County, Kentucky)
Carter House (Tangipahoa Parish, Louisiana)