# Building permits at 1800 Sumac Ave, Boulder, CO 12 permits on record here. The newest, May 20: Remove an exterior fixture due to over plumbing fixture counts ENF2026-00120. 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 20, 2026 | Plumbing | Permit to remove an exterior fixture due to over plumbing fixture counts ENF2026-00120 | $2,214 | [PLB2026-00048](https://nearbypermits.com/boulder/permit/PLB2026-00048/) | | Jan 3, 2019 | Plumbing | After the fact permit for the installation of a wetbar, not to exceed 16"x20"x6". Permit to include removal and capping of one hand sink in master bathroom. | $1,000 | [PLB2018-00632](https://nearbypermits.com/boulder/permit/PLB2018-00632/) | | Jun 12, 2013 | Roofing | Tear-off & reroof of SFD, 37 squares of asphalt shingles on a pitch represented as 4/12. Shingles to comply with ASTM D225 or D3462 and D3161 Class F. Overlay not allowed - see section R907.3 (specifically item 4) of 2006 IRC. Contractor to insure that wetlands are not disturbed by construction acti | $5,769 | [PMT2013-02680-RFG](https://nearbypermits.com/boulder/permit/PMT2013-02680-RFG/) | | Sep 21, 2001 | Mechanical (HVAC) | Replace gas line from meter to low pressure boiler. | $2,500 | [PMT2001-04182-MEC](https://nearbypermits.com/boulder/permit/PMT2001-04182-MEC/) | | Oct 12, 2000 | Electrical | Service upgrade and undergrounding of electrical service. | $1,380 | [PMT2000-04212-ELE](https://nearbypermits.com/boulder/permit/PMT2000-04212-ELE/) | | Feb 8, 2000 | Mechanical (HVAC) | Replace a residential water heater. | $545 | [PMT2000-00585-MEC](https://nearbypermits.com/boulder/permit/PMT2000-00585-MEC/) | | Sep 17, 1999 | Plumbing | Living room and kitchen addition. Combines electrical #997739, mechanical #997742 and plumbing #997740 with General Permit. | $1,000 | [PMT1999-07737-PLB](https://nearbypermits.com/boulder/permit/PMT1999-07737-PLB/) | | Sep 17, 1999 | Mechanical (HVAC) | Living room and kitchen addition. Combines electrical #997739, mechanical #997742 and plumbing #997740 with General Permit. | $500 | [PMT1999-07737-MEC](https://nearbypermits.com/boulder/permit/PMT1999-07737-MEC/) | | Sep 17, 1999 | Electrical | Living room and kitchen addition. Combines electrical #997739, mechanical #997742 and plumbing #997740 with General Permit. | $1,000 | [PMT1999-07737-ELE](https://nearbypermits.com/boulder/permit/PMT1999-07737-ELE/) | | Sep 17, 1999 | Addition | Living room and kitchen addition. Combines electrical #997739, mechanical #997742 and plumbing #997740 with General Permit. | $70,000 | [PMT1999-07737](https://nearbypermits.com/boulder/permit/PMT1999-07737/) | | Oct 28, 1993 | Addition | New bathroom 1st floor, 2nd story addition above g the original general permit | $24,200 | [PMT1993-08062](https://nearbypermits.com/boulder/permit/PMT1993-08062/) | | Oct 26, 1988 | Addition | Room addition. The original general permit number is n1755. | $4,000 | [PMT1988-N1755](https://nearbypermits.com/boulder/permit/PMT1988-N1755/) | ## More on this street Other addresses on Sumac Ave with permits, nearest house number first: - [1740 Sumac Ave](https://nearbypermits.com/boulder/address/1740-sumac-ave/): newest permit Jun 15, 2026 - [1616 Sumac Ave](https://nearbypermits.com/boulder/address/1616-sumac-ave/): newest permit Nov 19, 2024 - [1595 Sumac Ave](https://nearbypermits.com/boulder/address/1595-sumac-ave/): newest permit Mar 12, 2025 - [1590 Sumac Ave](https://nearbypermits.com/boulder/address/1590-sumac-ave/): newest permit Oct 6, 2026 - [1527 Sumac Ave](https://nearbypermits.com/boulder/address/1527-sumac-ave/): newest permit Aug 25, 2025 - [1503 Sumac Ave](https://nearbypermits.com/boulder/address/1503-sumac-ave/): newest permit Nov 17, 2025 - [1495 Sumac Ave](https://nearbypermits.com/boulder/address/1495-sumac-ave/): newest permit Jan 27, 2026 - [1480 Sumac Ave](https://nearbypermits.com/boulder/address/1480-sumac-ave/): newest permit Dec 22, 2025 - [1447 Sumac Ave](https://nearbypermits.com/boulder/address/1447-sumac-ave/): newest permit May 5, 2026 - [1305 Sumac Ave](https://nearbypermits.com/boulder/address/1305-sumac-ave/): newest permit Jan 8, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 18:17 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/1800-sumac-ave/