# Building permits at 4141 Arapahoe Ave, Boulder, CO 19 permits on record here. The newest, Apr 22, 2025: Installation of a rooftop solar PV system. 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 | |---|---|---|---|---| | Apr 22, 2025 | Electrical | Installation of a rooftop solar PV system. 5/19/25 ballasted system changed to a fully fastened system. See engineer's letter. REVISION 6/20/25 Change in layout | $82,472 | [ELE2024-00240](https://nearbypermits.com/boulder/permit/ELE2024-00240/) | | Mar 27, 2024 | Fire systems | Install a new NFPA 13 wet pipe fire sprinkler system with 154 sprinkler heads. See BLD-NRE2023-00071, 72, 73 and 83 for tenant finish general building TI permits, and FIR2023-00306 for core/shell fire alarm permit. Boulder dental properties 4141 arapahoe (fsn13) | $64,000 | [FIR2024-00108](https://nearbypermits.com/boulder/permit/FIR2024-00108/) | | Oct 30, 2023 | Alteration or repair | 2,722 sq. ft. Orthodontic office on the 1st floor of an existing 2 story building | $600,000 | [BLD-NRE2023-00083](https://nearbypermits.com/boulder/permit/BLD-NRE2023-00083/) | | Oct 30, 2023 | Alteration or repair | 2,988 sq.ft. Oral Surgery & Dental Implant office on the first floor of an existing two-story building. Associated with FLD2023-00016 and ADR2022-00161. | $630,000 | [BLD-NRE2023-00073](https://nearbypermits.com/boulder/permit/BLD-NRE2023-00073/) | | Oct 30, 2023 | Alteration or repair | Tenant Finish of 3,870 Sq. Ft. of common area within existing 2 story building. Associated with FLD2023-00016 and ADR2022-00161. | $456,377 | [BLD-NRE2023-00072](https://nearbypermits.com/boulder/permit/BLD-NRE2023-00072/) | | Oct 24, 2023 | Alteration or repair | 3803 tenant finish for general dentistry office, located on 2nd floor of existing 2 story building. Associated with FLD2023-00016 and ADR2022-00161. | $664,033 | [BLD-NRE2023-00071](https://nearbypermits.com/boulder/permit/BLD-NRE2023-00071/) | | Oct 11, 2023 | Alteration or repair | Floodplain development permit associated with four tenant improvement permits (BLD-NRE2023-00071, -00072, -00073, and -00083) for a medical/dental office building within the 100-year floodplain of Boulder Creek. | Not listed | [FLD2023-00016](https://nearbypermits.com/boulder/permit/FLD2023-00016/) | | Sep 25, 2023 | Electrical | Needing Temporary power for Demo and construction activities once building permit is approved. | Not listed | [ELE2023-00987](https://nearbypermits.com/boulder/permit/ELE2023-00987/) | | Aug 28, 2023 | Fire systems | Additions / alterations to the existing fire alarm system to accommodate a tenant finish on the first floor. See BLD-NRE2023-00083 for general building permit. See FIR2023-00306 for original fire alarm permit. Wong orthodontics suite 100 (fati) | $4,270 | [FIR2023-00309](https://nearbypermits.com/boulder/permit/FIR2023-00309/) | | Aug 28, 2023 | Fire systems | Additions / alterations to the existing fire alarm system to accommodate a tenant finish on the first floor. See BLD-NRE2023-00073 for general building permit. See FIR2023-00306 for original fire alarm permit. Dr nedbalski suite 110 (fati) | $6,160 | [FIR2023-00308](https://nearbypermits.com/boulder/permit/FIR2023-00308/) | | Aug 25, 2023 | Fire systems | Additions / alterations to the existing fire alarm system to accommodate a tenant finish on the second floor. See BLD-NRE2023-00071 for general building permit. See FIR2023-00306 for original fire alarm permit. Dr britt suite 200 (fati) | $6,787 | [FIR2023-00307](https://nearbypermits.com/boulder/permit/FIR2023-00307/) | | Aug 24, 2023 | Fire systems | New fire alarm system to monitor the building's sprinkler system for water flow or tampering and activate outside horn/strobe upon water flow. Notification will be provided in hallways and restrooms. Detection and controls for elevator recall and two-way comm system will be provided. See BLD-NRE2023 | $23,585 | [FIR2023-00306](https://nearbypermits.com/boulder/permit/FIR2023-00306/) | | Jul 25, 2023 | Demolition | Deconstruction of interior wall partitions, plumbing fixtures, lighting fixtures, and misc finishes. No demolition of exterior or structural elements approved. | Not listed | [DEM2023-00023](https://nearbypermits.com/boulder/permit/DEM2023-00023/) | | Oct 21, 2020 | Electrical | *Replace (3) pole fixtures and (3) wall packs to comply with outdoor lighting ordinance. | $4,759 | [ELE2020-01268](https://nearbypermits.com/boulder/permit/ELE2020-01268/) | | Sep 28, 2015 | Roofing | Overlay only of 57.17 squares of a commercial roof (contractor indicates 1/4" per foot pitch) with membrane roofing. | $38,637 | [PMT2015-04203-RFG](https://nearbypermits.com/boulder/permit/PMT2015-04203-RFG/) | | Sep 3, 2014 | Alteration or repair | Tenant finish of 30 sq.ft. to include electrical work. | $9,500 | [PMT2014-03604-FLD](https://nearbypermits.com/boulder/permit/PMT2014-03604-FLD/) | | Sep 3, 2014 | Electrical | Tenant finish of 30 sq.ft. to include electrical work. | $2,460 | [PMT2014-03604-ELE](https://nearbypermits.com/boulder/permit/PMT2014-03604-ELE/) | | Sep 3, 2014 | Alteration or repair | Tenant finish of 30 sq.ft. to include electrical work. | $9,500 | [PMT2014-03604](https://nearbypermits.com/boulder/permit/PMT2014-03604/) | | Jun 22, 1990 | Alteration or repair | Ten fnsh. The original general permit number is r0953. | $2,000 | [PMT1990-R0953](https://nearbypermits.com/boulder/permit/PMT1990-R0953/) | ## Zoning requests nearby We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment ## More on this street Other addresses on Arapahoe Ave with permits, nearest house number first: - [4430 Arapahoe Ave](https://nearbypermits.com/boulder/address/4430-arapahoe-ave/): newest permit Aug 14, 2025 - [4440 Arapahoe Ave](https://nearbypermits.com/boulder/address/4440-arapahoe-ave/): newest permit Mar 19, 2026 - [4450 Arapahoe Ave](https://nearbypermits.com/boulder/address/4450-arapahoe-ave/): newest permit Oct 24, 2024 - [3701 Arapahoe Ave](https://nearbypermits.com/boulder/address/3701-arapahoe-ave/): newest permit Jul 29, 2026 - [3601 Arapahoe Ave 207](https://nearbypermits.com/boulder/address/3601-arapahoe-ave-207/): newest permit Nov 24, 2025 - [3555 Arapahoe Ave](https://nearbypermits.com/boulder/address/3555-arapahoe-ave/): newest permit Aug 20, 2026 - [3550 Arapahoe Ave](https://nearbypermits.com/boulder/address/3550-arapahoe-ave/): newest permit Oct 23, 2025 - [4743 Arapahoe Ave 202](https://nearbypermits.com/boulder/address/4743-arapahoe-ave-202/): newest permit May 4, 2026 - [4745 Arapahoe Ave 200](https://nearbypermits.com/boulder/address/4745-arapahoe-ave-200/): newest permit Sep 25, 2025 - [4747 Arapahoe Ave](https://nearbypermits.com/boulder/address/4747-arapahoe-ave/): newest permit Sep 2, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-12 10:31 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 19 permits at this address: https://nearbypermits.com/boulder/address/4141-arapahoe-ave/