# Building permits at 3136 9th St, Boulder, CO 24 permits on record here. The newest, May 28: Bring power to Hot tub. 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 | |---|---|---|---|---| | May 28, 2026 | Electrical | Bring power to Hot tub | $500 | [ELE2026-00482](https://nearbypermits.com/boulder/permit/ELE2026-00482/) | | Feb 8, 2024 | Alteration or repair | Addition of kitchenette to create a detached ADU per AUR2021-00043. Studio space area above the garage was finished as part of PMT2012-02430 and included half bath, water heater, and conditioning. Associated with ENF2021-00476. | $16,193 | [BLD-ACC2023-00021](https://nearbypermits.com/boulder/permit/BLD-ACC2023-00021/) | | Sep 11, 2023 | Fire systems | Plumis mist fire suppression system for an ADU. See BLD-ACC2023-00021 for general building permit. Buffaloe ADU. (Fspm) | $8,800 | [FIR2023-00342](https://nearbypermits.com/boulder/permit/FIR2023-00342/) | | Aug 7, 2023 | Mechanical (HVAC) | VOID-180 Days no activity install one Mitsubishi 15k BTU 21.6 seer non-cold climate heat pump system. | $5,890 | [MEC2023-01152](https://nearbypermits.com/boulder/permit/MEC2023-01152/) | | May 1, 2023 | Roofing | VOID-180 Days no activity Total tear-off & reroof of SFD, 7.66 squares of metalshingles on a pitch represented as 7/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. All roof covering materials shall be listed as Class A as t | $1,724 | [RFG2023-00006](https://nearbypermits.com/boulder/permit/RFG2023-00006/) | | May 1, 2023 | Roofing | VOID-180 Days no activity Total tear-off & reroof of SFD, 23.33 squares of metalshingles on a pitch represented as 5/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. All roof covering materials shall be listed as Class A as | $5,249 | [RFG2023-00005](https://nearbypermits.com/boulder/permit/RFG2023-00005/) | | Jun 19, 2012 | Plumbing | 1.5 story detached two-car garage with unfinished storage above, and associated electrical work. No plumbing or mechanical work in the scope of this permit. (EDIT 10/31/2012 -- conversion of unfinished storage to studio w/ half-bath to include mechanical & plumbing work) | $1,000 | [PMT2012-02430-PLB](https://nearbypermits.com/boulder/permit/PMT2012-02430-PLB/) | | Jun 19, 2012 | Mechanical (HVAC) | 1.5 story detached two-car garage with unfinished storage above, and associated electrical work. No plumbing or mechanical work in the scope of this permit. (EDIT 10/31/2012 -- conversion of unfinished storage to studio w/ half-bath to include mechanical & plumbing work) | $3,000 | [PMT2012-02430-MEC](https://nearbypermits.com/boulder/permit/PMT2012-02430-MEC/) | | Jun 19, 2012 | Electrical | 1.5 story detached two-car garage with unfinished storage above, and associated electrical work. No plumbing or mechanical work in the scope of this permit. (EDIT 10/31/2012 -- conversion of unfinished storage to studio w/ half-bath to include mechanical & plumbing work) | $1,000 | [PMT2012-02430-ELE](https://nearbypermits.com/boulder/permit/PMT2012-02430-ELE/) | | Jun 19, 2012 | New building | 1.5 story detached two-car garage with unfinished storage above, and associated electrical work. No plumbing or mechanical work in the scope of this permit. (EDIT 10/31/2012 -- conversion of unfinished storage to studio w/ half-bath to include mechanical & plumbing work) | $67,661 | [PMT2012-02430](https://nearbypermits.com/boulder/permit/PMT2012-02430/) | | Jun 5, 2012 | Plumbing | Two story addition to existing single family dwelling with conditioned crawl space. First floor includes 222 square foot addition for family room and a rear porch. Section floor includes 729 square feet for master bedroom, bathroom and storage area. Existing stair to be relocated. | $5,000 | [PMT2012-01977-PLB](https://nearbypermits.com/boulder/permit/PMT2012-01977-PLB/) | | Jun 5, 2012 | Mechanical (HVAC) | Two story addition to existing single family dwelling with conditioned crawl space. First floor includes 222 square foot addition for family room and a rear porch. Section floor includes 729 square feet for master bedroom, bathroom and storage area. Existing stair to be relocated. | $3,500 | [PMT2012-01977-MEC](https://nearbypermits.com/boulder/permit/PMT2012-01977-MEC/) | | Jun 5, 2012 | Electrical | Two story addition to existing single family dwelling with conditioned crawl space. First floor includes 222 square foot addition for family room and a rear porch. Section floor includes 729 square feet for master bedroom, bathroom and storage area. Existing stair to be relocated. | $6,000 | [PMT2012-01977-ELE](https://nearbypermits.com/boulder/permit/PMT2012-01977-ELE/) | | Jun 5, 2012 | Addition | Two story addition to existing single family dwelling with conditioned crawl space. First floor includes 222 square foot addition for family room and a rear porch. Section floor includes 729 square feet for master bedroom, bathroom and storage area. Existing stair to be relocated. | $165,000 | [PMT2012-01977](https://nearbypermits.com/boulder/permit/PMT2012-01977/) | | May 29, 2012 | Demolition | Entire structure demolition of detached garage. | Not listed | [PMT2012-02602-DEM](https://nearbypermits.com/boulder/permit/PMT2012-02602-DEM/) | | Jun 5, 2000 | Plumbing | Convert existing detached two car garage to a studio. Add partial second story loft above. | $1,550 | [PMT2000-01216-PLB](https://nearbypermits.com/boulder/permit/PMT2000-01216-PLB/) | | Jun 5, 2000 | Mechanical (HVAC) | Convert existing detached two car garage to a studio. Add partial second story loft above. | $2,243 | [PMT2000-01216-MEC](https://nearbypermits.com/boulder/permit/PMT2000-01216-MEC/) | | Jun 5, 2000 | Electrical | Convert existing detached two car garage to a studio. Add partial second story loft above. | $3,000 | [PMT2000-01216-ELE](https://nearbypermits.com/boulder/permit/PMT2000-01216-ELE/) | | Jun 5, 2000 | Addition | Convert existing detached two car garage to a studio. Add partial second story loft above. | $40,000 | [PMT2000-01216](https://nearbypermits.com/boulder/permit/PMT2000-01216/) | | May 11, 1998 | Fence, wall or deck | Erect a 36-inch wood fence. | $500 | [PMT1998-02995-FEN](https://nearbypermits.com/boulder/permit/PMT1998-02995-FEN/) | | Dec 23, 1996 | Plumbing | Remodel/addition. Combines electrical # 970014, plumbing # 970180, and mechanical # 970181, with general permit. | $1,800 | [PMT1996-08354-PLB](https://nearbypermits.com/boulder/permit/PMT1996-08354-PLB/) | | Dec 23, 1996 | Mechanical (HVAC) | Remodel/addition. Combines electrical # 970014, plumbing # 970180, and mechanical # 970181, with general permit. | $1,200 | [PMT1996-08354-MEC](https://nearbypermits.com/boulder/permit/PMT1996-08354-MEC/) | | Dec 23, 1996 | Electrical | Remodel/addition. Combines electrical # 970014, plumbing # 970180, and mechanical # 970181, with general permit. | $1,800 | [PMT1996-08354-ELE](https://nearbypermits.com/boulder/permit/PMT1996-08354-ELE/) | | Dec 23, 1996 | Addition | Remodel/addition. Combines electrical # 970014, plumbing # 970180, and mechanical # 970181, with general permit. | $30,000 | [PMT1996-08354](https://nearbypermits.com/boulder/permit/PMT1996-08354/) | ## More on this street Other addresses on 9th St with permits, nearest house number first: - [3141 9th St](https://nearbypermits.com/boulder/address/3141-9th-st/): newest permit Aug 28, 2026 - [3119 9th St](https://nearbypermits.com/boulder/address/3119-9th-st/): newest permit Dec 2, 2025 - [3153 9th St](https://nearbypermits.com/boulder/address/3153-9th-st/): newest permit Apr 1, 2025 - [3156 9th St](https://nearbypermits.com/boulder/address/3156-9th-st/): newest permit May 27, 2026 - [3188 9th St](https://nearbypermits.com/boulder/address/3188-9th-st/): newest permit Nov 27, 2024 - [3055 9th St](https://nearbypermits.com/boulder/address/3055-9th-st/): newest permit Mar 23, 2026 - [3048 9th St](https://nearbypermits.com/boulder/address/3048-9th-st/): newest permit Apr 23, 2026 - [3045 9th St](https://nearbypermits.com/boulder/address/3045-9th-st/): newest permit Jan 12, 2026 - [3227 9th St](https://nearbypermits.com/boulder/address/3227-9th-st/): newest permit Jan 30, 2026 - [3228 9th St](https://nearbypermits.com/boulder/address/3228-9th-st/): newest permit Sep 26, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 14:24 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 24 permits at this address: https://nearbypermits.com/boulder/address/3136-9th-st/