Twelve West

{{Short description|22-floor, mixed-use apartment and office building located in downtown Portland, Oregon}}

{{Use American English|date=February 2025}}

{{Infobox building

| name = Twelve West

| image = File:Twelve West building.jpg

| image_size = 200px

| caption =

| location = S.W. 12th & Washington, Portland, Oregon, United States

| coordinates = {{coord|45.5221|-122.6839|region:US-OR|display=inline,title}}

| map_type = Portland downtown

| start_date = 2007

| completion_date = 2009

| opening = 2009

| building_type = retail, office, luxury apartments, parking

| antenna_spire =

| roof = {{convert|266|ft|m}}

| top_floor =

| floor_count = 22

| elevator_count = 7

| cost = $137 million

| floor_area =

| architect = ZGF Architects

| structural_engineer=

| main_contractor = Hoffman Construction

| developer = Gerding Edlen

| owner =

| management =

| references =

}}

Twelve West (stylized as twelve | west) is a 22-floor, mixed-use apartment and office building located in downtown Portland, Oregon, United States. The building is home to INDIGO @ twelve | west apartments and ZGF Architects LLP. During design and construction the building was known as “12W” and “ZGF Tower”,{{cite web | url = http://www.oregonlive.com/business/index.ssf/2009/07/portland_architecture_firm_pul.html | title = Portland architecture firm pulls out all stops for new office}}{{cite web | url = http://www.emporis.com/application/?nav=building&lng=3&id=266804 | archive-url = https://archive.today/20130208045051/http://www.emporis.com/application/?nav=building&lng=3&id=266804 | url-status = usurped | archive-date = February 8, 2013 | title = 12th and Washington, Portland }} but the name changed after a naming contest in July 2009.{{cite web | url = http://blog.indigo12west.com/2009/07/come-see-the-wizard/ | title = Come See the Wizard | url-status = dead | archiveurl = https://web.archive.org/web/20091019093931/http://blog.indigo12west.com/2009/07/come-see-the-wizard/ | archivedate = 2009-10-19 }} Initial plans included a hotel and a total of 31 floors, but they were revised after the hotel company withdrew.