# Building permits at 3311 4th St, Boulder, CO 12 permits on record here. The newest, Nov 17, 2025: VOID- 180 Days no activity Boiler replacement All new plastic glued vents for fuel burning appliances must. 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 | |---|---|---|---|---| | Nov 17, 2025 | Mechanical (HVAC) | VOID- 180 Days no activity Boiler replacement All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pressure test directly to the assigned inspector on the day the rough mechanical insp | $21,802 | [MEC2025-01647](https://nearbypermits.com/boulder/permit/MEC2025-01647/) | | Sep 30, 2025 | Electrical | Roof-mounted solar installation with inverter-battery 4.92 kW DC | $31,820 | [ELE2025-00895](https://nearbypermits.com/boulder/permit/ELE2025-00895/) | | Mar 24, 2025 | Roofing | Total tear-off & reroof of SFD, 20 squares of dimensional shingles on a pitch represented as | $42,448 | [RFG2025-00131](https://nearbypermits.com/boulder/permit/RFG2025-00131/) | | Mar 14, 2024 | Alteration or repair | Voided for inactivity - requirements not received Existing basement laundry room to be removed and remodeld to be a new guess bathroom with a double sink vanity, new toilet and shower. | $8,122 | [BLD-SFD2023-00463](https://nearbypermits.com/boulder/permit/BLD-SFD2023-00463/) | | Nov 17, 2023 | Addition | An existing single-family residence to add a new addition of 151 sf to create a mudroom and an adjoining 53 sf of existing space to remodel and move the laundry facilities to this space and add a new window. | $31,532 | [BLD-SFD2023-00368](https://nearbypermits.com/boulder/permit/BLD-SFD2023-00368/) | | Dec 1, 2021 | Roofing | *Voided for inactivity - no inspections within 180 days* *Total tear-off & reroof of SFD, 29 squares of metal shingles 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 | $7,250 | [RFG2021-00822](https://nearbypermits.com/boulder/permit/RFG2021-00822/) | | May 22, 2006 | Mechanical (HVAC) | New Comfort Cooling | $5,070 | [PMT2006-20137-MEC](https://nearbypermits.com/boulder/permit/PMT2006-20137-MEC/) | | Nov 17, 2005 | Mechanical (HVAC) | add solar domestic water heating system | $8,490 | [PMT2005-04488-MEC](https://nearbypermits.com/boulder/permit/PMT2005-04488-MEC/) | | Oct 19, 1999 | Plumbing | New SFD, 3 bedroom, 3 bath, partial finish basement, attached garage. Combines electrical #998129, plumbing #998130, and mechanical #998131 with general permit. | $15,000 | [PMT1999-08128-PLB](https://nearbypermits.com/boulder/permit/PMT1999-08128-PLB/) | | Oct 19, 1999 | Mechanical (HVAC) | New SFD, 3 bedroom, 3 bath, partial finish basement, attached garage. Combines electrical #998129, plumbing #998130, and mechanical #998131 with general permit. | $7,500 | [PMT1999-08128-MEC](https://nearbypermits.com/boulder/permit/PMT1999-08128-MEC/) | | Oct 19, 1999 | Electrical | New SFD, 3 bedroom, 3 bath, partial finish basement, attached garage. Combines electrical #998129, plumbing #998130, and mechanical #998131 with general permit. | $20,000 | [PMT1999-08128-ELE](https://nearbypermits.com/boulder/permit/PMT1999-08128-ELE/) | | Oct 19, 1999 | New building | New SFD, 3 bedroom, 3 bath, partial finish basement, attached garage. Combines electrical #998129, plumbing #998130, and mechanical #998131 with general permit. | $280,000 | [PMT1999-08128](https://nearbypermits.com/boulder/permit/PMT1999-08128/) | ## More on this street Other addresses on 4th St with permits, nearest house number first: - [3309 4th St](https://nearbypermits.com/boulder/address/3309-4th-st/): newest permit May 22, 2025 - [3307 4th St](https://nearbypermits.com/boulder/address/3307-4th-st/): newest permit Apr 13, 2026 - [3302 4th St](https://nearbypermits.com/boulder/address/3302-4th-st/): newest permit Jul 3, 2025 - [3355 4th St](https://nearbypermits.com/boulder/address/3355-4th-st/): newest permit Jul 9, 2026 - [3369 4th St](https://nearbypermits.com/boulder/address/3369-4th-st/): newest permit Dec 11, 2025 - [3380 4th St](https://nearbypermits.com/boulder/address/3380-4th-st/): newest permit Apr 3, 2026 - [3239 4th St](https://nearbypermits.com/boulder/address/3239-4th-st/): newest permit Oct 21, 2024 - [3232 4th St](https://nearbypermits.com/boulder/address/3232-4th-st/): newest permit Dec 12, 2024 - [3390 4th St](https://nearbypermits.com/boulder/address/3390-4th-st/): newest permit Apr 6, 2026 - [3231 4th St](https://nearbypermits.com/boulder/address/3231-4th-st/): newest permit Aug 21, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 08:52 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 12 permits at this address: https://nearbypermits.com/boulder/address/3311-4th-st/