# Building permits at 2420 Bluff St, Boulder, CO 19 permits on record here. The newest, Jun 2, 2025: This project involves renovating the 943 sqft existing basement by adding a new egress window and enlarging. 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 | |---|---|---|---|---| | Jun 2, 2025 | Alteration or repair | This project involves renovating the 943 sqft existing basement by adding a new egress window and enlarging two existing windows. A new bathroom and a wet bar will also be added to enhance the basement's functionality | $78,109 | [BLD-SFD2024-00430](https://nearbypermits.com/boulder/permit/BLD-SFD2024-00430/) | | Jul 19, 2022 | Mechanical (HVAC) | Install new AC unit. | $6,511 | [MEC2022-01338](https://nearbypermits.com/boulder/permit/MEC2022-01338/) | | Jul 19, 2022 | Electrical | Please refer to MEC2022-01338 | $300 | [ELE2022-01038](https://nearbypermits.com/boulder/permit/ELE2022-01038/) | | Feb 25, 2021 | Mechanical (HVAC) | VOID- 180 days no activity Installation of ductless system | $7,995 | [MEC2021-00328](https://nearbypermits.com/boulder/permit/MEC2021-00328/) | | Jul 28, 2011 | Addition | Addition of low, uncovered deck (less than 30 inches in height) to south of existing attached deck at rear of single-family residence. Deck addtion to be 225 s.f. | $5,166 | [PMT2011-03236](https://nearbypermits.com/boulder/permit/PMT2011-03236/) | | Dec 17, 2009 | Electrical | Installation of a 1.84 kW flush-mount grid-tied photo-voltaic system. | $10,000 | [PMT2009-05139-ELE](https://nearbypermits.com/boulder/permit/PMT2009-05139-ELE/) | | Aug 3, 2006 | Plumbing | New 2-story 3 bedroom modular house with 2120 sf finished space and 1092 sf unfinished basement. Includes 2-1/2 bathrooms. Existing two car detached garage to remain. | $13,000 | [PMT2006-02447-PLB](https://nearbypermits.com/boulder/permit/PMT2006-02447-PLB/) | | Aug 3, 2006 | Mechanical (HVAC) | New 2-story 3 bedroom modular house with 2120 sf finished space and 1092 sf unfinished basement. Includes 2-1/2 bathrooms. Existing two car detached garage to remain. | $5,700 | [PMT2006-02447-MEC](https://nearbypermits.com/boulder/permit/PMT2006-02447-MEC/) | | Aug 3, 2006 | Electrical | New 2-story 3 bedroom modular house with 2120 sf finished space and 1092 sf unfinished basement. Includes 2-1/2 bathrooms. Existing two car detached garage to remain. | $8,000 | [PMT2006-02447-ELE](https://nearbypermits.com/boulder/permit/PMT2006-02447-ELE/) | | Aug 3, 2006 | New building | New 2-story 3 bedroom modular house with 2120 sf finished space and 1092 sf unfinished basement. Includes 2-1/2 bathrooms. Existing two car detached garage to remain. | $254,817 | [PMT2006-02447](https://nearbypermits.com/boulder/permit/PMT2006-02447/) | | Jun 20, 2006 | Demolition | Demolition permit for entire structure demolition of 1130 sf house. | Not listed | [PMT2006-02446-DEM](https://nearbypermits.com/boulder/permit/PMT2006-02446-DEM/) | | Mar 1, 2006 | Electrical | Service change 200amps | $1,000 | [PMT2006-00458-ELE](https://nearbypermits.com/boulder/permit/PMT2006-00458-ELE/) | | Jan 27, 2006 | Fire systems | Installation of new Anti-freeze system for OAU | $5,321 | [PMT2006-00270-FIR](https://nearbypermits.com/boulder/permit/PMT2006-00270-FIR/) | | Jul 28, 2005 | Plumbing | Construction of new detached, 2 car garage with second floor owners accessory dwelling unit [OAU #05-31] | Not listed | [PMT2005-02278-PLB](https://nearbypermits.com/boulder/permit/PMT2005-02278-PLB/) | | Jul 28, 2005 | Mechanical (HVAC) | Construction of new detached, 2 car garage with second floor owners accessory dwelling unit [OAU #05-31] | $3,400 | [PMT2005-02278-MEC](https://nearbypermits.com/boulder/permit/PMT2005-02278-MEC/) | | Jul 28, 2005 | Electrical | Construction of new detached, 2 car garage with second floor owners accessory dwelling unit [OAU #05-31] | Not listed | [PMT2005-02278-ELE](https://nearbypermits.com/boulder/permit/PMT2005-02278-ELE/) | | Jul 28, 2005 | New building | Construction of new detached, 2 car garage with second floor owners accessory dwelling unit [OAU #05-31] | $63,259 | [PMT2005-02278](https://nearbypermits.com/boulder/permit/PMT2005-02278/) | | Aug 20, 2004 | Plumbing | Convert existing duplex to a single family detached dwelling by removing one kitchen and opening a covered over doorway between the units. Owner contractor. | $200 | [PMT2004-03294-PLB](https://nearbypermits.com/boulder/permit/PMT2004-03294-PLB/) | | Aug 20, 2004 | Alteration or repair | Convert existing duplex to a single family detached dwelling by removing one kitchen and opening a covered over doorway between the units. Owner contractor. | $100 | [PMT2004-03294](https://nearbypermits.com/boulder/permit/PMT2004-03294/) | ## More on this street Other addresses on Bluff St with permits, nearest house number first: - [2425 Bluff St](https://nearbypermits.com/boulder/address/2425-bluff-st/): newest permit Dec 12, 2025 - [2428 Bluff St](https://nearbypermits.com/boulder/address/2428-bluff-st/): newest permit Nov 20, 2024 - [2406 Bluff St](https://nearbypermits.com/boulder/address/2406-bluff-st/): newest permit Aug 13, 2025 - [2434 Bluff St](https://nearbypermits.com/boulder/address/2434-bluff-st/): newest permit Jan 23, 2026 - [2435 Bluff St](https://nearbypermits.com/boulder/address/2435-bluff-st/): newest permit Aug 13, 2025 - [2443 Bluff St](https://nearbypermits.com/boulder/address/2443-bluff-st/): newest permit Jan 21, 2025 - [2445 Bluff St](https://nearbypermits.com/boulder/address/2445-bluff-st/): newest permit Aug 4, 2026 - [2502 Bluff St A](https://nearbypermits.com/boulder/address/2502-bluff-st-a/): newest permit Jan 28, 2026 - [2512 Bluff St](https://nearbypermits.com/boulder/address/2512-bluff-st/): newest permit Aug 10, 2026 - [2515 Bluff St](https://nearbypermits.com/boulder/address/2515-bluff-st/): newest permit May 5, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 03:45 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/2420-bluff-st/