# Building permits at 820 33rd St, Boulder, CO

Eight permits on record here. The newest, Oct 8, 2025: Voided for inactivity - no inspection within 180 days Replace boiler & add 4 zone minisplit for cooling - new. 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 |
|---|---|---|---|---|
| Oct 8, 2025 | Mechanical (HVAC) | Voided for inactivity - no inspection within 180 days Replace boiler & add 4 zone minisplit for cooling - new 90K BTU 96% gas boiler + 3 Ton 20 SEER2 minisplit [minisplit condenser will be in rear of home, Northeast corner]. All new plastic glued vents for fuel burning appliances must undergo pressu | $39,424 | [MEC2025-01674](https://nearbypermits.com/boulder/permit/MEC2025-01674/) |
| Dec 10, 2009 | Electrical | PV installation on SFD. Flush mounted, grid-tied and 5.25 kW. | $24,098 | [PMT2009-05012-ELE](https://nearbypermits.com/boulder/permit/PMT2009-05012-ELE/) |
| Dec 8, 2009 | Electrical | New detached garage for SFD. Garage is 16'x22'=352 sf and includes electrical. See pmt2009-04222. | $750 | [PMT2009-04223-ELE](https://nearbypermits.com/boulder/permit/PMT2009-04223-ELE/) |
| Dec 8, 2009 | New building | New detached garage for SFD. Garage is 16'x22'=352 sf and includes electrical. See pmt2009-04222. | $17,174 | [PMT2009-04223](https://nearbypermits.com/boulder/permit/PMT2009-04223/) |
| Dec 8, 2009 | Plumbing | Addition and remodel to existing SFD. Addition includes 933 sf to second floor and remodel includes entire forst floor electrical, mechanical, and plumbing. Detached garage by separate permit PMT2009-04223 | $14,000 | [PMT2009-04222-PLB](https://nearbypermits.com/boulder/permit/PMT2009-04222-PLB/) |
| Dec 8, 2009 | Mechanical (HVAC) | Addition and remodel to existing SFD. Addition includes 933 sf to second floor and remodel includes entire forst floor electrical, mechanical, and plumbing. Detached garage by separate permit PMT2009-04223 | $11,000 | [PMT2009-04222-MEC](https://nearbypermits.com/boulder/permit/PMT2009-04222-MEC/) |
| Dec 8, 2009 | Electrical | Addition and remodel to existing SFD. Addition includes 933 sf to second floor and remodel includes entire forst floor electrical, mechanical, and plumbing. Detached garage by separate permit PMT2009-04223 | $6,750 | [PMT2009-04222-ELE](https://nearbypermits.com/boulder/permit/PMT2009-04222-ELE/) |
| Dec 8, 2009 | Addition | Addition and remodel to existing SFD. Addition includes 933 sf to second floor and remodel includes entire forst floor electrical, mechanical, and plumbing. Detached garage by separate permit PMT2009-04223 | $205,034 | [PMT2009-04222](https://nearbypermits.com/boulder/permit/PMT2009-04222/) |

## More on this street

Other addresses on 33rd St with permits, nearest house number first:

- [855 33rd St](https://nearbypermits.com/boulder/address/855-33rd-st/): newest permit Apr 23, 2026
- [780 33rd St](https://nearbypermits.com/boulder/address/780-33rd-st/): newest permit Dec 18, 2024
- [875 33rd St](https://nearbypermits.com/boulder/address/875-33rd-st/): newest permit Dec 15, 2025
- [755 33rd St](https://nearbypermits.com/boulder/address/755-33rd-st/): newest permit Jan 8, 2025
- [895 33rd St](https://nearbypermits.com/boulder/address/895-33rd-st/): newest permit Dec 6, 2024
- [725 33rd St](https://nearbypermits.com/boulder/address/725-33rd-st/): newest permit Jun 8, 2026
- [710 33rd St](https://nearbypermits.com/boulder/address/710-33rd-st/): newest permit Sep 16, 2026
- [1701 33rd St](https://nearbypermits.com/boulder/address/1701-33rd-st/): newest permit Jun 9, 2026
- [1709 33rd St](https://nearbypermits.com/boulder/address/1709-33rd-st/): newest permit Sep 23, 2026
- [1750 33rd St](https://nearbypermits.com/boulder/address/1750-33rd-st/): newest permit Jan 26, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 00:04 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 8 permits at this address: https://nearbypermits.com/boulder/address/820-33rd-st/