# Building permits at 1023 Walnut St, Boulder, CO 31 permits on record here. The newest, Feb 25: AES Radio Dialer - ST00932055 Installation of a new AES Radio Dialer to monitor an existing Simplex 4100ES. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Feb 25, 2026 | Fire systems | AES Radio Dialer - ST00932055 Installation of a new AES Radio Dialer to monitor an existing Simplex 4100ES Fire Alarm Control Panel. | $850 | [FIR2026-00061](https://nearbypermits.com/boulder/permit/FIR2026-00061/) | | Jul 1, 2024 | Alteration or repair | Scope of work described below. No new occupiable area is proposed. 1. New alum. Louvers @ walnut st. Facade 2. New storefront & fire-rated glazing systems 3. New glass back panels @ landings @ walnut st. 4. New roof covering existing steel pergola: 5. Existing fluorescent lighting to be replaced in | $400,000 | [BLD-NRE2023-00185](https://nearbypermits.com/boulder/permit/BLD-NRE2023-00185/) | | Oct 6, 2021 | Electrical | Relocate main entry and replace a portion of storefront w/ new folding partition. | $500 | [ELE2021-00886](https://nearbypermits.com/boulder/permit/ELE2021-00886/) | | Oct 6, 2021 | Alteration or repair | Relocate main entry and replace a portion of storefront w/ new folding partition. | $75,000 | [BLD-NRE2021-00086](https://nearbypermits.com/boulder/permit/BLD-NRE2021-00086/) | | Jul 13, 2021 | Mechanical (HVAC) | Interior Work Only: Replacement of an existing fully automated parking system in an existing below grade parking garage to a different and new fully automated parking system using Utron automated systems. No exterior work is involved with renovating the old system with the new system. There are 2 ex | $4,000 | [MEC2020-02076](https://nearbypermits.com/boulder/permit/MEC2020-02076/) | | Jul 13, 2021 | Electrical | Interior Work Only: Replacement of an existing fully automated parking system in an existing below grade parking garage to a different and new fully automated parking system using Utron automated systems. No exterior work is involved with renovating the old system with the new system. There are 2 ex | $8,000 | [ELE2020-01863](https://nearbypermits.com/boulder/permit/ELE2020-01863/) | | Jul 13, 2021 | Alteration or repair | Interior Work Only: Replacement of an existing fully automated parking system in an existing below grade parking garage to a different and new fully automated parking system using Utron automated systems. No exterior work is associated in the replacement of the different automated parking system. Re | $3,200,000 | [BLD-NRE2020-00224](https://nearbypermits.com/boulder/permit/BLD-NRE2020-00224/) | | May 3, 2018 | Sign | SIGN- Installation of a non-illuminated, double-sided 4.5 sf projecting sign in the Pearl West development. Copy: "Corrida Tierra Y Mar" +logo. Approved under REV2016-00006 and HIS2018-00072. | $4,150 | [PMT2018-01283-SGN](https://nearbypermits.com/boulder/permit/PMT2018-01283-SGN/) | | Aug 21, 2017 | Fence, wall or deck | Permit for replacement of an existing half height swing gate with a full height gate for additional security for an exterior patio connecting to an exterior stairway on a commercial mixed use building. See HIS2017-0051 and ADR2017-00058 for previous approvals. | $15,000 | [PMT2017-02997-FEN](https://nearbypermits.com/boulder/permit/PMT2017-02997-FEN/) | | Aug 21, 2017 | Electrical | Permit for replacement of an existing half height swing gate with a full height gate for additional security for an exterior patio connecting to an exterior stairway on a commercial mixed use building. See HIS2017-0051 and ADR2017-00058 for previous approvals. | $1,500 | [PMT2017-02997-ELE](https://nearbypermits.com/boulder/permit/PMT2017-02997-ELE/) | | Dec 16, 2016 | Sign | Installation of a projecting wall sign on the Walnut street elevation "PEARL WEST". All fees on PMT2016-03342. | $6,000 | [PMT2016-04186-SGN](https://nearbypermits.com/boulder/permit/PMT2016-04186-SGN/) | | Nov 17, 2016 | Sign | Installation of an internally illuminated wall sign "Galvanize" and an internally illuminated projecting sign "G" | $13,000 | [PMT2016-03343-SGN](https://nearbypermits.com/boulder/permit/PMT2016-03343-SGN/) | | Oct 18, 2016 | Fire systems | Fs - sowl - add 4/rel 12 | $2,625 | [PMT2016-04790-FIR](https://nearbypermits.com/boulder/permit/PMT2016-04790-FIR/) | | Aug 29, 2016 | Mechanical (HVAC) | Tenant interior finish to buildout a couple common elements of the new commercial retail building on the Walnut St side. Scope include buildout of storage rooms, closet, leasing office, and construction of interior bridge vestibule with lift. | Not listed | [PMT2016-03320-MEC](https://nearbypermits.com/boulder/permit/PMT2016-03320-MEC/) | | Aug 29, 2016 | Electrical | Tenant interior finish to buildout a couple common elements of the new commercial retail building on the Walnut St side. Scope include buildout of storage rooms, closet, leasing office, and construction of interior bridge vestibule with lift. | Not listed | [PMT2016-03320-ELE](https://nearbypermits.com/boulder/permit/PMT2016-03320-ELE/) | | Aug 29, 2016 | Elevator | Tenant interior finish to buildout a couple common elements of the new commercial retail building on the Walnut St side. Scope include buildout of storage rooms, closet, leasing office, and construction of interior bridge vestibule with lift. | $120,000 | [PMT2016-03320](https://nearbypermits.com/boulder/permit/PMT2016-03320/) | | Jun 15, 2016 | Fire systems | Fa - es - tf for galvanize pearlwest (1st & 2nd floors) | $18,504 | [PMT2016-02725-FIR](https://nearbypermits.com/boulder/permit/PMT2016-02725-FIR/) | | Feb 24, 2016 | Fire systems | Fs - es - new core/shell for 1023 walnut bldg | $146,769 | [PMT2016-00703-FIR](https://nearbypermits.com/boulder/permit/PMT2016-00703-FIR/) | | Nov 4, 2014 | Plumbing | New construction for Eleventh and Pearl development including four story mixed use commercial/office core and shell building with a single level basement automated automobile storage garage related to PMT2014-0468; see LUR2012-0008 and TEC2013-00059 and TEC2013-00084. | $258,390 | [PMT2014-00470-PLB](https://nearbypermits.com/boulder/permit/PMT2014-00470-PLB/) | | Nov 4, 2014 | Mechanical (HVAC) | New construction for Eleventh and Pearl development including four story mixed use commercial/office core and shell building with a single level basement automated automobile storage garage related to PMT2014-0468; see LUR2012-0008 and TEC2013-00059 and TEC2013-00084. | $692,657 | [PMT2014-00470-MEC](https://nearbypermits.com/boulder/permit/PMT2014-00470-MEC/) | | Nov 4, 2014 | Electrical | New construction for Eleventh and Pearl development including four story mixed use commercial/office core and shell building with a single level basement automated automobile storage garage related to PMT2014-0468; see LUR2012-0008 and TEC2013-00059 and TEC2013-00084. | $574,254 | [PMT2014-00470-ELE](https://nearbypermits.com/boulder/permit/PMT2014-00470-ELE/) | | Nov 4, 2014 | New building | New construction for Eleventh and Pearl development including four story mixed use commercial/office core and shell building with a single level basement automated automobile storage garage related to PMT2014-0468; see LUR2012-0008 and TEC2013-00059 and TEC2013-00084. | $9,715,624 | [PMT2014-00470](https://nearbypermits.com/boulder/permit/PMT2014-00470/) | | Jun 17, 2014 | Grading | Design and calcs for cantilevered soldier beam and wood lagging shoring system for the Walnut Building. Scope includes grading associated with cut. | Not listed | [PMT2014-02309-GRA](https://nearbypermits.com/boulder/permit/PMT2014-02309-GRA/) | | Jun 17, 2014 | New building | Design and calcs for cantilevered soldier beam and wood lagging shoring system for the Walnut Building. Scope includes grading associated with cut. | $158,300 | [PMT2014-02309](https://nearbypermits.com/boulder/permit/PMT2014-02309/) | | May 23, 2014 | Demolition | Entire structure demolition (Daily Camera building). Demolition per plans and associated ROW permits. Demolition of 1023 Walnut dependent upon build back of new exterior rated wall at 1033 Walnut per PMT2014-02252. | Not listed | [PMT2014-02421-DEM](https://nearbypermits.com/boulder/permit/PMT2014-02421-DEM/) | | Nov 1, 2010 | Fire systems | Tennant Finish Fire Alarm For Trada | $4,820 | [PMT2010-04616-FIR](https://nearbypermits.com/boulder/permit/PMT2010-04616-FIR/) | | Sep 29, 2010 | Plumbing | Tenant Remodel - For installation of new kitchen in office space to include countertops, cabinets, 2 walls, 2 kitchen sinks, and a dishwasher. (See PMT2010-04238 for separate electrical permit) | $2,500 | [PMT2010-04239-PLB](https://nearbypermits.com/boulder/permit/PMT2010-04239-PLB/) | | Sep 29, 2010 | Electrical | Tenant Remodel - For installation of new kitchen in office space to include countertops, cabinets, 2 walls, 2 kitchen sinks, and a dishwasher. (See PMT2010-04238 for separate electrical permit) | $500 | [PMT2010-04239-ELE](https://nearbypermits.com/boulder/permit/PMT2010-04239-ELE/) | | Sep 29, 2010 | Alteration or repair | Tenant Remodel - For installation of new kitchen in office space to include countertops, cabinets, 2 walls, 2 kitchen sinks, and a dishwasher. (See PMT2010-04238 for separate electrical permit) | $6,000 | [PMT2010-04239](https://nearbypermits.com/boulder/permit/PMT2010-04239/) | | Sep 29, 2010 | Electrical | Electrical Permit - For installation of 48 outlets, 34 new fixtures, and 8 switches in vacant space for office use (Trada Electrical). | $5,000 | [PMT2010-04238-ELE](https://nearbypermits.com/boulder/permit/PMT2010-04238-ELE/) | | Jan 18, 1990 | Mechanical (HVAC) | Mechanical relocate ductwork | $1,000 | [PMT1990-P7909-MEC](https://nearbypermits.com/boulder/permit/PMT1990-P7909-MEC/) | ## More on this street Other addresses on Walnut St with permits, nearest house number first: - [1011 Walnut St 200](https://nearbypermits.com/boulder/address/1011-walnut-st-200/): newest permit Aug 21, 2026 - [1002 Walnut St](https://nearbypermits.com/boulder/address/1002-walnut-st/): newest permit Dec 10, 2025 - [1050 Walnut St](https://nearbypermits.com/boulder/address/1050-walnut-st/): newest permit Nov 18, 2025 - [921 Walnut St](https://nearbypermits.com/boulder/address/921-walnut-st/): newest permit Aug 5, 2026 - [1175 Walnut St](https://nearbypermits.com/boulder/address/1175-walnut-st/): newest permit Oct 31, 2025 - [854 Walnut St](https://nearbypermits.com/boulder/address/854-walnut-st/): newest permit May 27, 2026 - [848 Walnut St](https://nearbypermits.com/boulder/address/848-walnut-st/): newest permit Jun 22, 2026 - [824 Walnut St 46](https://nearbypermits.com/boulder/address/824-walnut-st-46/): newest permit Sep 9, 2026 - [812 Walnut St](https://nearbypermits.com/boulder/address/812-walnut-st/): newest permit Sep 28, 2026 - [790 Walnut St B](https://nearbypermits.com/boulder/address/790-walnut-st-b/): newest permit Oct 27, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 21:27 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 31 permits at this address: https://nearbypermits.com/boulder/address/1023-walnut-st/