# Building permits at 1740 Oak Ave, Boulder, CO

11 permits on record here. The newest, Dec 30, 2025: Replace tank style water heater with high efficiency tankless water heater. 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 |
|---|---|---|---|---|
| Dec 30, 2025 | Mechanical (HVAC) | Replace tank style water heater with high efficiency tankless water heater. | $5,554 | [MEC2025-02369](https://nearbypermits.com/boulder/permit/MEC2025-02369/) |
| Jun 17, 2025 | Mechanical (HVAC) | 2 replacement furnace and 2 heat pump replacing AC. Furnace; 90,000 BTU and 99% AFUE. Heat pump; 3 ton capacity and 22 SEER2. | $42,058 | [MEC2025-00951](https://nearbypermits.com/boulder/permit/MEC2025-00951/) |
| May 22, 2017 | Mechanical (HVAC) | Replacement Comfort Cooling | $6,000 | [PMT2017-20210-MEC](https://nearbypermits.com/boulder/permit/PMT2017-20210-MEC/) |
| Dec 21, 2010 | Plumbing | Basement finish of great room -- furr out exterior walls, (88 lineal feet) over existing blanket insulation., add outlets & lighting, add bar sink & small dishwasher, modify ductwork slightly. A portion of the basement is to remain unfinished. | $2,000 | [PMT2010-05713-PLB](https://nearbypermits.com/boulder/permit/PMT2010-05713-PLB/) |
| Dec 21, 2010 | Mechanical (HVAC) | Basement finish of great room -- furr out exterior walls, (88 lineal feet) over existing blanket insulation., add outlets & lighting, add bar sink & small dishwasher, modify ductwork slightly. A portion of the basement is to remain unfinished. | $650 | [PMT2010-05713-MEC](https://nearbypermits.com/boulder/permit/PMT2010-05713-MEC/) |
| Dec 21, 2010 | Electrical | Basement finish of great room -- furr out exterior walls, (88 lineal feet) over existing blanket insulation., add outlets & lighting, add bar sink & small dishwasher, modify ductwork slightly. A portion of the basement is to remain unfinished. | $4,500 | [PMT2010-05713-ELE](https://nearbypermits.com/boulder/permit/PMT2010-05713-ELE/) |
| Dec 21, 2010 | Alteration or repair | Basement finish of great room -- furr out exterior walls, (88 lineal feet) over existing blanket insulation., add outlets & lighting, add bar sink & small dishwasher, modify ductwork slightly. A portion of the basement is to remain unfinished. | $40,000 | [PMT2010-05713](https://nearbypermits.com/boulder/permit/PMT2010-05713/) |
| Jul 12, 2006 | Plumbing | New single-family residence, 2-story with 3 bedrooms, 3.5 baths, attached 2-car garage with unfinished basement. | $15,000 | [PMT2006-01450-PLB](https://nearbypermits.com/boulder/permit/PMT2006-01450-PLB/) |
| Jul 12, 2006 | Mechanical (HVAC) | New single-family residence, 2-story with 3 bedrooms, 3.5 baths, attached 2-car garage with unfinished basement. | $15,000 | [PMT2006-01450-MEC](https://nearbypermits.com/boulder/permit/PMT2006-01450-MEC/) |
| Jul 12, 2006 | Electrical | New single-family residence, 2-story with 3 bedrooms, 3.5 baths, attached 2-car garage with unfinished basement. | $10,000 | [PMT2006-01450-ELE](https://nearbypermits.com/boulder/permit/PMT2006-01450-ELE/) |
| Jul 12, 2006 | New building | New single-family residence, 2-story with 3 bedrooms, 3.5 baths, attached 2-car garage with unfinished basement. | $365,641 | [PMT2006-01450](https://nearbypermits.com/boulder/permit/PMT2006-01450/) |

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 11:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 11 permits at this address: https://nearbypermits.com/boulder/address/1740-oak-ave/