{"found":true,"answer":"Boulder Planning and Development Services permit PMT2012-04221-RFG: issued Aug 28, 2012 for roofing work at 3300 Walnut St. Installation of snoblox ace snow retention system on an existing commercial building. On 13 sqauers, 4/12 pitch per permit application.","permit":{"id":"PMT2012-04221-RFG","url":"https://nearbypermits.com/boulder/permit/PMT2012-04221-RFG/","address":"3300 Walnut St","addressUrl":"https://nearbypermits.com/boulder/address/3300-walnut-st/","zip":"80301","zipUrl":"/boulder/zip/80301/","zipDerived":false,"type":"Roofing","cityType":"Roofing Replacement Permit, Roofing Replacement Permit","status":"Cancelled","cityStatus":"Void","description":"Installation of snoblox ace snow retention system on an existing commercial building. On 13 sqauers, 4/12 pitch per permit application.","date":"2012-08-28","dateLabel":"Issued","cost":"$1,147","source":"https://services.arcgis.com/ePKBjXrBZ2vEEgWd/arcgis/rest/services/Construction_Permits/FeatureServer/0/query?where=PermitNum%3D%27PMT2012-04221-RFG%27&outFields=PermitNum%2COriginalAddress%2COriginalZip%2CPermitType%2CPermitWorkType%2CDescription%2CIssuedDate%2CStatusCurrent%2CEstProjectCost&f=html","group":"exterior","sentence":"Installation of snoblox ace snow retention system on an existing commercial building","costValue":1147,"lat":null,"lon":null},"city_data_updated":"2026-10-17","newest_permit":"2026-10-16","newest_permit_age_days":2,"stale":false,"checked":"2026-10-18 01:26 UTC","source":"https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee","source_agency":"Boulder Planning and Development Services","source_license":{"name":"CC0 1.0","url":"https://creativecommons.org/publicdomain/zero/1.0/","terms_url":"https://creativecommons.org/publicdomain/zero/1.0/"},"page_url":"https://nearbypermits.com/boulder/address/3300-walnut-st/","see_more":"Every permit at 3300 Walnut St: https://nearbypermits.com/boulder/address/3300-walnut-st/"}