This list presents the full set of buildings, structures, objects, sites, or districts designated on the National Register of Historic Places in Cowlitz County, Washington, and offers brief descriptive information about each of them. The National Register recognizes places of national, state, or local historic significance across the United States.^[1] Out of over 90,000 National Register sites nationwide,^[2] Washington is home to approximately 1,500,^[3] and 32 of those are found partially or wholly in Cowlitz County.

          This National Park Service list is complete through NPS recent listings posted January 26, 2024.^[4]

Current listings

[5]	Name on the Register[6]	Image	Date listed[7]	Location	City or town	Description
1	Berwind–Purcell House		July 6, 2010 (#10000416)	808 Lone Oak Rd. 46°10′56″N 122°57′58″W / 46.182222°N 122.966111°W / 46.182222; -122.966111 (Berwind–Purcell House)	Longview
2	Big Four Furniture Building		December 5, 1985 (#85003013)	1329 Commerce Ave. 46°08′18″N 122°55′54″W / 46.138333°N 122.931667°W / 46.138333; -122.931667 (Big Four Furniture Building)	Longview	Built in 1924 for Lumberman's Bank.
3	Adam Catlin House		December 9, 1994 (#94001434)	202 NW. Second Ave. 46°08′49″N 122°54′55″W / 46.146944°N 122.915278°W / 46.146944; -122.915278 (Adam Catlin House)	Kelso
4	Columbia Theater		December 5, 1985 (#85003014)	1225 Vandercook Way 46°08′27″N 122°55′53″W / 46.140833°N 122.931389°W / 46.140833; -122.931389 (Columbia Theater)	Longview
5	First Christian Church		December 5, 1985 (#85003015)	2000 E. Kessler Blvd. 46°07′53″N 122°56′45″W / 46.131389°N 122.945833°W / 46.131389; -122.945833 (First Christian Church)	Longview	The First Christian Church.
6	Jim Creek Bridge		March 28, 1995 (#95000258)	WA 503 over Jim Cr. 45°59′45″N 122°30′55″W / 45.995833°N 122.515278°W / 45.995833; -122.515278 (Jim Creek Bridge)	Woodland	Bridges of Washington State MPS
7	Hulda Klager Lilac Gardens	More images	July 17, 1975 (#75001847)	115 S. Pekin Rd. 45°53′51″N 122°45′07″W / 45.8975°N 122.751944°W / 45.8975; -122.751944 (Hulda Klager Lilac Gardens)	Woodland
8	Lake Sacajawea Park		December 5, 1985 (#85003011)	Bounded by Nichols and Kessler Blvds. 46°08′14″N 122°56′46″W / 46.137222°N 122.946111°W / 46.137222; -122.946111 (Lake Sacajawea Park)	Longview
9	Laughlin Round Barn		May 15, 1986 (#86001080)	8249 Barnes Dr. 46°20′25″N 122°55′24″W / 46.340278°N 122.923333°W / 46.340278; -122.923333 (Laughlin Round Barn)	Castle Rock	Laughlin Round Bridge near Castle Rock.
10	Lawetlat'la	More images	September 11, 2013 (#13000748)	Gifford Pinchot National Forest 46°12′49″N 122°14′39″W / 46.213576°N 122.244301°W / 46.213576; -122.244301 (Lawetlat'la)	Cougar	Cowlitz people name for Mount St. Helens
11	Robert Alexander Long High School	More images	December 5, 1985 (#85003010)	2903 Nichols Blvd. 46°08′27″N 122°57′15″W / 46.140833°N 122.954167°W / 46.140833; -122.954167 (Robert Alexander Long High School)	Longview	Built in 1927, this is the oldest high school in Longview.
12	Longview Bridge	More images	July 16, 1982 (#82004208)	Spans Columbia river 46°06′48″N 122°57′10″W / 46.113333°N 122.952778°W / 46.113333; -122.952778 (Longview Bridge)	Longview	Better known as the Lewis and Clark Bridge. Historic Bridges and Tunnels in Washington TR
13	Longview Civic Center Historic District	More images	December 5, 1985 (#85003012)	Bounded by Maple St., Sixteenth Ave., Hemlock St., and Eighteenth Ave. 46°08′23″N 122°56′16″W / 46.139722°N 122.937778°W / 46.139722; -122.937778 (Longview Civic Center Historic District)	Longview
14	Longview Community Church	More images	December 5, 1985 (#85003016)	2323 Washington Way 46°08′03″N 122°56′55″W / 46.134167°N 122.948611°W / 46.134167; -122.948611 (Longview Community Church)	Longview
15	Longview Community Church-Saint Helen's Addition	More images	December 5, 1985 (#85003017)	416 Twentieth Ave. 46°07′28″N 122°57′32″W / 46.124444°N 122.958889°W / 46.124444; -122.958889 (Longview Community Church-Saint Helen's Addition)	Longview
16	Longview Community Store		December 5, 1985 (#85003027)	421 Twentieth Ave. 46°07′29″N 122°57′05″W / 46.124722°N 122.951389°W / 46.124722; -122.951389 (Longview Community Store)	Longview
17	Longview Women's Clubhouse	More images	December 5, 1985 (#85003018)	835 Twenty-first Ave. 46°07′57″N 122°56′46″W / 46.1325°N 122.946111°W / 46.1325; -122.946111 (Longview Women's Clubhouse)	Longview
18	Mills Building		December 5, 1985 (#85003019)	1239 Commerce Ave. 46°08′11″N 122°56′00″W / 46.136389°N 122.933333°W / 46.136389; -122.933333 (Mills Building)	Longview
19	Nutty Narrows Bridge	More images	August 18, 2014 (#14000500)	Spanning Olympia Way between 18th Avenue and Maple Street 46°08′29″N 122°56′26″W / 46.141469°N 122.940494°W / 46.141469; -122.940494 (Nutty Narrows Bridge)	Longview
20	Pacific Telephone and Telegraph Building		December 5, 1985 (#85003020)	1304 Vandercook Way 46°08′27″N 122°55′57″W / 46.140833°N 122.9325°W / 46.140833; -122.9325 (Pacific Telephone and Telegraph Building)	Longview
21	Pounder Building		December 5, 1985 (#85003021)	1208 Commerce Ave. 46°08′10″N 122°56′01″W / 46.136111°N 122.933611°W / 46.136111; -122.933611 (Pounder Building)	Longview
22	Schumann Building		December 5, 1985 (#85003022)	1233 Commerce Ave. 46°08′11″N 122°55′58″W / 46.136389°N 122.932778°W / 46.136389; -122.932778 (Schumann Building)	Longview
23	Sevier and Weed Building		December 5, 1985 (#85003023)	1266 Twelfth Ave. 46°08′12″N 122°55′53″W / 46.136667°N 122.931389°W / 46.136667; -122.931389 (Sevier and Weed Building)	Longview
24	Nat Smith House		March 3, 1975 (#75001846)	110 W. Grant St. 46°08′48″N 122°54′56″W / 46.146667°N 122.915556°W / 46.146667; -122.915556 (Nat Smith House)	Kelso
25	Stella Blacksmith Shop		December 19, 1985 (#85003204)	8530 Ocean Beach Hwy. 46°11′30″N 123°07′13″W / 46.191667°N 123.120278°W / 46.191667; -123.120278 (Stella Blacksmith Shop)	Stella
26	J. D. Tennant House		April 12, 1984 (#84003461)	420 Rutherglen Rd. 46°09′06″N 122°59′30″W / 46.151667°N 122.991667°W / 46.151667; -122.991667 (J. D. Tennant House)	Longview
27	Tyni Building		December 5, 1985 (#85003024)	1166 Commerce Ave. 46°08′05″N 122°56′02″W / 46.134722°N 122.933889°W / 46.134722; -122.933889 (Tyni Building)	Longview
28	U.S. Post Office – Kelso Main		August 7, 1991 (#91000646)	304 Academy St. 46°08′44″N 122°54′31″W / 46.145556°N 122.908611°W / 46.145556; -122.908611 (U.S. Post Office – Kelso Main)	Kelso
29	U.S. Post Office – Longview Main	More images	May 30, 1991 (#91000647)	1603 Larch St. 46°08′17″N 122°56′16″W / 46.138056°N 122.937778°W / 46.138056; -122.937778 (U.S. Post Office – Longview Main)	Longview
30	Washington Gas and Electric Building	More images	December 5, 1985 (#85003025)	1346 Fourteenth Ave. 46°08′18″N 122°56′01″W / 46.138333°N 122.933611°W / 46.138333; -122.933611 (Washington Gas and Electric Building)	Longview	Fourteenth Ave., corner of Broadway: current address 1333 Broadway.
31	Willard Building		December 5, 1985 (#85003026)	1403 Twelfth Ave. 46°08′19″N 122°55′53″W / 46.138611°N 122.931389°W / 46.138611; -122.931389 (Willard Building)	Longview
32	Yale Bridge	More images	July 16, 1982 (#82004206)	Spanning the Lewis River on State Route 503 45°57′40″N 122°22′18″W / 45.961111°N 122.371667°W / 45.961111; -122.371667 (Yale Bridge)	Yale	Extends into Clark County