# Building permits at 538 Dewey Ave, Boulder, CO 17 permits on record here. The newest, Nov 12, 2024: Install: Mitsubishi out door condensing unit. 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 12, 2024 | Mechanical (HVAC) | Install: Mitsubishi out door condensing unit, out door branch box & port, and wall unit. 50 gallon hybrid electric heat pump water heater. Adding disconnect & cap wiring at breaker panel and adding GFCI receptacle on east side of home. | $16,786 | [MEC2024-01652](https://nearbypermits.com/boulder/permit/MEC2024-01652/) | | Oct 31, 2019 | Mechanical (HVAC) | *Replacing furnace in same location. | $4,380 | [MEC2019-01815](https://nearbypermits.com/boulder/permit/MEC2019-01815/) | | Aug 16, 2017 | Plumbing | *Voided for inactivity - requirements not met.* Permit to complete inspections on outstanding items on a garage permit (PMT2001-05579) as noted in the letter dated 10/15/2015 from the Chief Building Official. Any additional scope beyond the noted list/letter will require another permit with associat | Not listed | [PMT2017-03456-PLB](https://nearbypermits.com/boulder/permit/PMT2017-03456-PLB/) | | Aug 16, 2017 | Mechanical (HVAC) | *Voided for inactivity - requirements not met.* Permit to complete inspections on outstanding items on a garage permit (PMT2001-05579) as noted in the letter dated 10/15/2015 from the Chief Building Official. Any additional scope beyond the noted list/letter will require another permit with associat | Not listed | [PMT2017-03456-MEC](https://nearbypermits.com/boulder/permit/PMT2017-03456-MEC/) | | Aug 16, 2017 | Electrical | *Voided for inactivity - requirements not met.* Permit to complete inspections on outstanding items on a garage permit (PMT2001-05579) as noted in the letter dated 10/15/2015 from the Chief Building Official. Any additional scope beyond the noted list/letter will require another permit with associat | Not listed | [PMT2017-03456-ELE](https://nearbypermits.com/boulder/permit/PMT2017-03456-ELE/) | | Aug 16, 2017 | Alteration or repair | *Voided for inactivity - requirements not met.* Permit to complete inspections on outstanding items on a garage permit (PMT2001-05579) as noted in the letter dated 10/15/2015 from the Chief Building Official. Any additional scope beyond the noted list/letter will require another permit with associat | Not listed | [PMT2017-03456](https://nearbypermits.com/boulder/permit/PMT2017-03456/) | | Jun 19, 2015 | Mechanical (HVAC) | Replacement Water Heater | $1,788 | [PMT2015-20164-MEC](https://nearbypermits.com/boulder/permit/PMT2015-20164-MEC/) | | May 24, 2012 | Addition | Construction of a 70 square foot deck, 16 inches above grade at entrance to studio in the rear yard | $1,673 | [PMT2012-02554](https://nearbypermits.com/boulder/permit/PMT2012-02554/) | | Mar 10, 2011 | Mechanical (HVAC) | Replace ductwork | $3,873 | [PMT2011-20089-MEC](https://nearbypermits.com/boulder/permit/PMT2011-20089-MEC/) | | Nov 29, 2002 | Plumbing | Convert existing detached garage into office with toilet and sink. Parking to be provided to rear of lot. | $2,000 | [PMT2001-05579-PLB](https://nearbypermits.com/boulder/permit/PMT2001-05579-PLB/) | | Nov 29, 2002 | Mechanical (HVAC) | Convert existing detached garage into office with toilet and sink. Parking to be provided to rear of lot. | $750 | [PMT2001-05579-MEC](https://nearbypermits.com/boulder/permit/PMT2001-05579-MEC/) | | Nov 29, 2002 | Electrical | Convert existing detached garage into office with toilet and sink. Parking to be provided to rear of lot. | $3,655 | [PMT2001-05579-ELE](https://nearbypermits.com/boulder/permit/PMT2001-05579-ELE/) | | Nov 29, 2002 | Alteration or repair | Convert existing detached garage into office with toilet and sink. Parking to be provided to rear of lot. | $25,000 | [PMT2001-05579](https://nearbypermits.com/boulder/permit/PMT2001-05579/) | | Aug 20, 2001 | New building | Permit issued to finalize previously issued permit number 970946, Log No. 4831. All fees are associated with previous permit. | Not listed | [PMT2001-03634](https://nearbypermits.com/boulder/permit/PMT2001-03634/) | | Jun 29, 2000 | Mechanical (HVAC) | Replacing gas piping through out dwelling and adding gas line for dryer | $800 | [PMT2000-02698-MEC](https://nearbypermits.com/boulder/permit/PMT2000-02698-MEC/) | | Feb 27, 1997 | Alteration or repair | Detached 1 1/2 car garage the original general permit number is 970946. | $25,000 | [PMT1997-00946](https://nearbypermits.com/boulder/permit/PMT1997-00946/) | | May 14, 1993 | Addition | Addition two story bedroom/bath up/dining/family the original general permit | $50,000 | [PMT1993-03376](https://nearbypermits.com/boulder/permit/PMT1993-03376/) | ## More on this street Other addresses on Dewey Ave with permits, nearest house number first: - [537 Dewey Ave](https://nearbypermits.com/boulder/address/537-dewey-ave/): newest permit Jun 12, 2026 - [636 Dewey Ave](https://nearbypermits.com/boulder/address/636-dewey-ave/): newest permit May 27, 2026 - [434 Dewey Ave](https://nearbypermits.com/boulder/address/434-dewey-ave/): newest permit Jan 13, 2026 - [430 Dewey Ave](https://nearbypermits.com/boulder/address/430-dewey-ave/): newest permit Apr 24, 2025 - [653 Dewey Ave](https://nearbypermits.com/boulder/address/653-dewey-ave/): newest permit Jun 10, 2026 - [345 Dewey Ave](https://nearbypermits.com/boulder/address/345-dewey-ave/): newest permit Feb 3, 2025 - [825 Dewey Ave](https://nearbypermits.com/boulder/address/825-dewey-ave/): newest permit Nov 17, 2025 - [827 Dewey Ave](https://nearbypermits.com/boulder/address/827-dewey-ave/): newest permit Nov 17, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 03:45 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 17 permits at this address: https://nearbypermits.com/boulder/address/538-dewey-ave/