[3] Name on the Register Image Date listed[4] Location City or town Description 1 10 Cottages on Short Street 10 Cottages on Short Street August 29, 1985 (#85001873 ) Short Street[5] 31°20′00″N 110°56′16″W / 31.333242°N 110.937675°W / 31.333242; -110.937675 (10 Cottages on Short Street ) Nogales 2 Arizona-Sonora Manufacturing Company Machine Shop Arizona-Sonora Manufacturing Company Machine Shop August 29, 1985 (#85001851 ) Grand Ave. at Arroyo Boulevard 31°20′24″N 110°56′17″W / 31.339913°N 110.938113°W / 31.339913; -110.938113 (Arizona-Sonora Manufacturing Company Machine Shop ) Nogales 3 Atascosa Lookout House Upload image January 28, 1988 (#87002462 ) Coronado National Forest 31°25′33″N 111°08′47″W / 31.425833°N 111.146389°W / 31.425833; -111.146389 (Atascosa Lookout House ) Tubac Lookout cabin destroyed, other structures damaged by 2011 fire[6] 4 Barrio de Tubac Archeological District Upload image September 12, 2003 (#03000912 ) Address Restricted Tubac 5 Bowman Hotel Bowman Hotel August 29, 1985 (#85001852 ) 245 Grand Ave.[5] 31°20′13″N 110°56′24″W / 31.33696°N 110.94012°W / 31.33696; -110.94012 (Bowman Hotel ) Nogales 6 W.G. Bowman House W.G. Bowman House August 29, 1985 (#85001850 ) 613 Sierra[5] 31°20′34″N 110°56′13″W / 31.34287°N 110.937°W / 31.34287; -110.937 (W.G. Bowman House ) Nogales 7 Burton Building Burton Building August 29, 1985 (#85001848 ) 253 Grand Ave.[5] 31°20′14″N 110°56′24″W / 31.33724°N 110.93989°W / 31.33724; -110.93989 (Burton Building ) Nogales 8 Cady Hall Cady Hall December 2, 1992 (#92001635 ) 346 Duquesne 31°32′20″N 110°45′14″W / 31.53881°N 110.75398°W / 31.53881; -110.75398 (Cady Hall ) Patagonia Now the Patagonia Public Library.[7] 9 Calabasas Calabasas June 3, 1971 (#71000118 ) North of Nogales 31°27′09″N 110°57′34″W / 31.452478°N 110.959570°W / 31.452478; -110.959570 (Calabasas ) Rio Rico 10 Canelo Ranger Station Canelo Ranger Station June 10, 1993 (#93000513 ) Forest Rd. 52B north of Canelo in the Coronado National Forest 31°33′05″N 110°30′59″W / 31.551389°N 110.516389°W / 31.551389; -110.516389 (Canelo Ranger Station ) Canelo 11 Canelo School Canelo School July 31, 1991 (#91000981 ) 18 miles southeast of Sonoita on State Route 93 31°32′32″N 110°30′36″W / 31.542222°N 110.51°W / 31.542222; -110.51 (Canelo School ) Canelo 12 Frank F. Cranz House Frank F. Cranz House August 29, 1985 (#85001849 ) 321 Arroyo[5] 31°20′19″N 110°56′25″W / 31.338597°N 110.940321°W / 31.338597; -110.940321 (Frank F. Cranz House ) Nogales 13 Crawford Hill Historic Residential District Crawford Hill Historic Residential District August 29, 1985 (#85001874 ) Roughly bounded by Oak St., Terrace Ave., Compound St., and Interstate 19 and Grindell 31°20′07″N 110°56′12″W / 31.335278°N 110.936667°W / 31.335278; -110.936667 (Crawford Hill Historic Residential District ) Nogales 14 George Dunbar House George Dunbar House August 29, 1985 (#85001853 ) 605 Sierra[5] 31°20′34″N 110°56′14″W / 31.342684°N 110.93729°W / 31.342684; -110.93729 (George Dunbar House ) Nogales 15 James Finley House James Finley House November 19, 1974 (#74000462 ) 7.2 miles southwest of Patagonia in the Coronado National Forest 31°27′55″N 110°42′24″W / 31.465278°N 110.706667°W / 31.465278; -110.706667 (James Finley House ) Harshaw 16 Guevavi Mission Ruins Guevavi Mission Ruins November 5, 1971 (#71000119 ) 6 miles north of U.S./Mexico border 31°24′36″N 110°54′10″W / 31.41°N 110.902778°W / 31.41; -110.902778 (Guevavi Mission Ruins ) Nogales 17 Sen. James A. Harrison House Sen. James A. Harrison House August 29, 1985 (#85001854 ) Morley Avenue[5] 31°20′17″N 110°56′12″W / 31.338165°N 110.936683°W / 31.338165; -110.936683 (Sen. James A. Harrison House ) Nogales 18 Hotel Blanca Hotel Blanca August 29, 1985 (#85001861 ) 456 Morley Avenue[5] 31°20′26″N 110°56′04″W / 31.34049°N 110.93432°W / 31.34049; -110.93432 (Hotel Blanca ) Nogales 19 House at 220 Walnut Street House at 220 Walnut Street August 29, 1985 (#85001856 ) 365 Walnut St.[5] 31°20′21″N 110°56′32″W / 31.339162°N 110.942285°W / 31.339162; -110.942285 (House at 220 Walnut Street ) Nogales 20 House at 334–338 Walnut Street House at 334–338 Walnut Street August 29, 1985 (#85001857 ) 459–465 Walnut St.[5] 31°20′24″N 110°56′39″W / 31.340029°N 110.944074°W / 31.340029; -110.944074 (House at 334–338 Walnut Street ) Nogales 21 House at 665 Morley Avenue House at 665 Morley Avenue August 29, 1985 (#85001858 ) Morley Avenue[5] 31°20′25″N 110°56′04″W / 31.340278°N 110.934492°W / 31.340278; -110.934492 (House at 665 Morley Avenue ) Nogales 22 Kentucky Camp Historic District Kentucky Camp Historic District November 22, 1995 (#95001312 ) Near Forest Road 163 off State Route 83 [8] 31°44′13″N 110°43′43″W / 31.736944°N 110.728611°W / 31.736944; -110.728611 (Kentucky Camp Historic District ) Coronado National Forest 23 Pete Kitchen Ranch Pete Kitchen Ranch February 20, 1975 (#75000360 ) 3.5 miles north of Nogales off U.S. Route 89 31°24′08″N 110°57′16″W / 31.402222°N 110.954444°W / 31.402222; -110.954444 (Pete Kitchen Ranch ) Nogales 24 S.H. Kress & Co. Building S.H. Kress & Co. Building August 29, 1985 (#85001859 ) 48 N. Morley Ave.[5] 31°20′01″N 110°56′27″W / 31.333488°N 110.940920°W / 31.333488; -110.940920 (S.H. Kress & Co. Building ) Nogales 25 Las Dos Naciones Cigar Factory Las Dos Naciones Cigar Factory August 29, 1985 (#85001860 ) 204 Morley Ave.[5] 31°20′09″N 110°56′20″W / 31.33586°N 110.9389°W / 31.33586; -110.9389 (Las Dos Naciones Cigar Factory ) Nogales 26 The Little Outfit Schoolhouse The Little Outfit Schoolhouse January 8, 2009 (#08001275 ) 571 Canelo Pass Road 31°29′43″N 110°34′25″W / 31.495278°N 110.573611°W / 31.495278; -110.573611 (The Little Outfit Schoolhouse ) Patagonia Ranch school opened 1940, grades 3 to 8, teaching ideals of the West 27 Marsh Heights Historic District Marsh Heights Historic District October 29, 1985 (#85003407 ) Roughly bounded by Court St., Summit Ave., S. Court St., and Morley Ave. 31°20′09″N 110°56′38″W / 31.335833°N 110.943889°W / 31.335833; -110.943889 (Marsh Heights Historic District ) Nogales 28 George B. Marsh Building George B. Marsh Building August 29, 1985 (#85001855 ) 142–154 Grand Ave.[5] 31°20′07″N 110°56′26″W / 31.335169°N 110.940677°W / 31.335169; -110.940677 (George B. Marsh Building ) Nogales 29 Mediterranean Style House Mediterranean Style House August 29, 1985 (#85001863 ) 215 Walnut Street[5] 31°20′18″N 110°56′27″W / 31.338403°N 110.940782°W / 31.338403; -110.940782 (Mediterranean Style House ) Nogales 30 Mediterranean Style House Mediterranean Style House August 29, 1985 (#85001862 ) 245 Walnut Street[5] 31°20′19″N 110°56′28″W / 31.33856°N 110.94108°W / 31.33856; -110.94108 (Mediterranean Style House ) Nogales 31 Hugo Miller House Hugo Miller House August 29, 1985 (#85001864 ) 565 Potrero[5] 31°20′33″N 110°56′08″W / 31.342449°N 110.935694°W / 31.342449; -110.935694 (Hugo Miller House ) Nogales 32 Montezuma Hotel Montezuma Hotel August 29, 1985 (#85001867 ) 108–120 Morley Avenue[5] 31°20′03″N 110°56′25″W / 31.33417°N 110.94039°W / 31.33417; -110.94039 (Montezuma Hotel ) Nogales 33 Nogales Electric Light, Ice & Water Company Power House Nogales Electric Light, Ice & Water Company Power House August 29, 1985 (#85001865 ) 491 Grand Avenue[5] 31°20′26″N 110°56′14″W / 31.340532°N 110.937144°W / 31.340532; -110.937144 (Nogales Electric Light, Ice & Water Company Power House ) Nogales 34 Nogales High School Nogales High School August 29, 1985 (#85001866 ) 310 W. Plum St.[5] 31°20′25″N 110°56′28″W / 31.34019°N 110.94124°W / 31.34019; -110.94124 (Nogales High School ) Nogales 35 Nogales Steam Laundry Building Nogales Steam Laundry Building August 29, 1985 (#85001868 ) 223–219 East 31°20′03″N 110°56′19″W / 31.33426°N 110.9387°W / 31.33426; -110.9387 (Nogales Steam Laundry Building ) Nogales 36 A.S. Noon Building A.S. Noon Building August 29, 1985 (#85001871 ) 185 Grand Avenue[5] 31°20′11″N 110°56′26″W / 31.33631°N 110.94044°W / 31.33631; -110.94044 (A.S. Noon Building ) Nogales 37 Old Nogales City Hall and Fire Station Old Nogales City Hall and Fire Station April 3, 1980 (#80000772 ) 136 Grand Avenue[5] 31°20′05″N 110°56′27″W / 31.33482°N 110.94086°W / 31.33482; -110.94086 (Old Nogales City Hall and Fire Station ) Nogales 38 Old Tubac Schoolhouse Old Tubac Schoolhouse November 10, 1970 (#70000115 ) Tubac Presidio State Historic Park [9] 31°36′43″N 111°02′48″W / 31.61197°N 111.04677°W / 31.61197; -111.04677 (Old Tubac Schoolhouse ) Tubac 39 Pennington Rural Historic Landscape Upload image February 10, 2000 (#00000004 ) North of the junction of Royal Rd. and Calle Del Rio 31°20′55″N 110°50′52″W / 31.348611°N 110.847778°W / 31.348611; -110.847778 (Pennington Rural Historic Landscape ) Nogales 40 Jose Piscorski Building Jose Piscorski Building August 29, 1985 (#85001870 ) 186–190 Morley Avenue[5] 31°20′08″N 110°56′21″W / 31.33559°N 110.93915°W / 31.33559; -110.93915 (Jose Piscorski Building ) Nogales 41 Ruby Ruby April 28, 1975 (#75000361 ) North of the U.S./Mexico border between Ruby and Montana peaks 31°29′01″N 111°14′14″W / 31.483611°N 111.237222°W / 31.483611; -111.237222 (Ruby ) Ruby 42 San Rafael Ranch Historic District San Rafael Ranch Historic District February 7, 2008 (#08000001 ) San Rafael Valley 31°21′14″N 110°36′47″W / 31.3537938°N 110.613118°W / 31.3537938; -110.613118 (San Rafael Ranch Historic District ) Lochiel 43 Santa Cruz Bridge No. 1 Santa Cruz Bridge No. 1 September 30, 1988 (#88001635 ) South River Rd. over the Santa Cruz River 31°23′20″N 110°52′28″W / 31.38883°N 110.8745°W / 31.38883; -110.8745 (Santa Cruz Bridge No. 1 ) Nogales 44 Santa Cruz County Courthouse Santa Cruz County Courthouse December 7, 1977 (#77000239 ) Court Street and Morley Avenue 31°20′11″N 110°56′16″W / 31.336414°N 110.937864°W / 31.336414; -110.937864 (Santa Cruz County Courthouse ) Nogales 45 Three Mediterranean Cottages on Pajarito Street Three Mediterranean Cottages on Pajarito Street August 29, 1985 (#85001872 ) 141 and 147 Pajarito, 533 Portrero[5] 31°20′30″N 110°56′11″W / 31.3418°N 110.93632°W / 31.3418; -110.93632 (Three Mediterranean Cottages on Pajarito Street ) Nogales 46 Tubac Presidio Tubac Presidio December 2, 1970 (#70000116 ) Broadway and River Rd. 31°36′44″N 111°02′47″W / 31.612124°N 111.046430°W / 31.612124; -111.046430 (Tubac Presidio ) Tubac 47 Tubac Townsite Historic District Tubac Townsite Historic District October 17, 1994 (#94001195 ) Roughly bounded by Tubac and Plaza Rds. and Presidio Dr. 31°36′44″N 111°02′43″W / 31.612222°N 111.045278°W / 31.612222; -111.045278 (Tubac Townsite Historic District ) Tubac 48 Tumacacori Museum Tumacacori Museum May 28, 1987 (#87001437 ) Tumacácori National Historical Park 31°34′04″N 111°03′04″W / 31.56781°N 111.05107°W / 31.56781; -111.05107 (Tumacacori Museum ) Tumacacori 49 Tumacacori National Monument Tumacacori National Monument October 15, 1966 (#66000193 ) 18 miles (29 km) north of Nogales on Interstate 19 31°34′07″N 111°03′03″W / 31.568533°N 111.050725°W / 31.568533; -111.050725 (Tumacacori National Monument ) Tumacacori Mission site that was declared a National Monument and has since been converted to a National Historical Park 50 US Custom House US Custom House August 6, 1987 (#87001344 ) Junction of International and Terrace Sts. 31°19′59″N 110°56′36″W / 31.3331°N 110.94327°W / 31.3331; -110.94327 (US Custom House ) Nogales 51 U.S. Custom House and U.S. Inspection Office, Morley Gate-Nogales, Arizona U.S. Custom House and U.S. Inspection Office, Morley Gate-Nogales, Arizona August 9, 2016 (#14000244 ) International St. at Morley Ave. 31°19′58″N 110°56′29″W / 31.332814°N 110.941378°W / 31.332814; -110.941378 (U.S. Custom House and U.S. Inspection Office, Morley Gate-Nogales, Arizona ) Nogales 52 US Post Office and Immigration Station-Nogales Main US Post Office and Immigration Station-Nogales Main December 3, 1985 (#85003107 ) Hudgin St. and Morley Ave. 31°20′15″N 110°56′14″W / 31.33748°N 110.93733°W / 31.33748; -110.93733 (US Post Office and Immigration Station-Nogales Main ) Nogales 53 J.E. Wise Building J.E. Wise Building August 29, 1985 (#85001869 ) 87 N. Grand Avenue[5] 31°20′04″N 110°56′30″W / 31.334447°N 110.941669°W / 31.334447; -110.941669 (J.E. Wise Building ) Nogales