# Building permits at 1809 Mariposa Ave, Boulder, CO

12 permits on record here. The newest, Feb 24: VOID- Inspections not completed within 180 days Install 50A EV circuit & EV charger in the garage. 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 |
|---|---|---|---|---|
| Feb 24, 2026 | Electrical | VOID- Inspections not completed within 180 days Install 50A EV circuit & EV charger in the garage. | $1,650 | [ELE2025-01309](https://nearbypermits.com/boulder/permit/ELE2025-01309/) |
| Jul 30, 2018 | Fence, wall or deck | * Voided for inactivity due to no inspections performed within 180 days of issuance.*4' tall wire mesh fence along southern (front), eastern and western property lines, from front property line to the house (approximately 40-50') to enclose the front yard. Fence will be set back from sidewalk at lea | Not listed | [FLD2018-00029](https://nearbypermits.com/boulder/permit/FLD2018-00029/) |
| May 23, 2016 | Electrical | Installation of a flush mount 5.67 kW photovoltaic system. Array to be parallel to roof plane, grid tied and remain below ridge, inside/below hips and rake edges and above eave. See engineer's letter and /or drawing(s) for specific information. No structural modifications approved under this permit. | $18,845 | [PMT2016-02340-ELE](https://nearbypermits.com/boulder/permit/PMT2016-02340-ELE/) |
| May 27, 2011 | Fence, wall or deck | Installation of cedar privacy fence in rear yard of single-family residence. Fence to be 6-feet in height, 66-feet in length. | $2,415 | [PMT2011-02142-FEN](https://nearbypermits.com/boulder/permit/PMT2011-02142-FEN/) |
| Dec 14, 2010 | Electrical | New, single-story detached garage/carport, plans shared with PMT2010-05201. | $1,500 | [PMT2010-05202-ELE](https://nearbypermits.com/boulder/permit/PMT2010-05202-ELE/) |
| Dec 14, 2010 | New building | New, single-story detached garage/carport, plans shared with PMT2010-05201. | $14,163 | [PMT2010-05202](https://nearbypermits.com/boulder/permit/PMT2010-05202/) |
| Dec 14, 2010 | Plumbing | Second story addition and partial remodel of single-family residence. 789 sqaure foot Additions to contain 3 bedrooms, 2 full baths and laundry room. First floor to contain 1 full bath, 1 bedroom, 1 bedroom/office. Detached garage by separate permit. | $7,500 | [PMT2010-05201-PLB](https://nearbypermits.com/boulder/permit/PMT2010-05201-PLB/) |
| Dec 14, 2010 | Mechanical (HVAC) | Second story addition and partial remodel of single-family residence. 789 sqaure foot Additions to contain 3 bedrooms, 2 full baths and laundry room. First floor to contain 1 full bath, 1 bedroom, 1 bedroom/office. Detached garage by separate permit. | $15,000 | [PMT2010-05201-MEC](https://nearbypermits.com/boulder/permit/PMT2010-05201-MEC/) |
| Dec 14, 2010 | Electrical | Second story addition and partial remodel of single-family residence. 789 sqaure foot Additions to contain 3 bedrooms, 2 full baths and laundry room. First floor to contain 1 full bath, 1 bedroom, 1 bedroom/office. Detached garage by separate permit. | $6,500 | [PMT2010-05201-ELE](https://nearbypermits.com/boulder/permit/PMT2010-05201-ELE/) |
| Dec 14, 2010 | Addition | Second story addition and partial remodel of single-family residence. 789 sqaure foot Additions to contain 3 bedrooms, 2 full baths and laundry room. First floor to contain 1 full bath, 1 bedroom, 1 bedroom/office. Detached garage by separate permit. | $99,963 | [PMT2010-05201](https://nearbypermits.com/boulder/permit/PMT2010-05201/) |
| Dec 13, 2010 | Demolition | Demolition of outbuildings on north side of property. | Not listed | [PMT2010-05451-DEM](https://nearbypermits.com/boulder/permit/PMT2010-05451-DEM/) |
| Jul 21, 2005 | Roofing | Total tear-off and overlay of a single-family detached dwelling, dimensional shingles, 14 squares, 6/12 pitch | $1,333 | [PMT2005-02843-RFG](https://nearbypermits.com/boulder/permit/PMT2005-02843-RFG/) |

## Zoning requests nearby

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment

## More on this street

Other addresses on Mariposa Ave with permits, nearest house number first:

- [1816 Mariposa Ave](https://nearbypermits.com/boulder/address/1816-mariposa-ave/): newest permit Sep 24, 2026
- [1739 Mariposa Ave](https://nearbypermits.com/boulder/address/1739-mariposa-ave/): newest permit Jul 27, 2026
- [1900 Mariposa Ave](https://nearbypermits.com/boulder/address/1900-mariposa-ave/): newest permit Jun 2, 2026
- [1902 Mariposa Ave](https://nearbypermits.com/boulder/address/1902-mariposa-ave/): newest permit Jun 5, 2026
- [1709 Mariposa Ave](https://nearbypermits.com/boulder/address/1709-mariposa-ave/): newest permit Sep 4, 2026
- [1910 Mariposa Ave](https://nearbypermits.com/boulder/address/1910-mariposa-ave/): newest permit Oct 13, 2025
- [1911 Mariposa Ave](https://nearbypermits.com/boulder/address/1911-mariposa-ave/): newest permit Dec 16, 2024
- [1660 Mariposa Ave](https://nearbypermits.com/boulder/address/1660-mariposa-ave/): newest permit Aug 13, 2026
- [2010 Mariposa Ave](https://nearbypermits.com/boulder/address/2010-mariposa-ave/): newest permit Jul 9, 2026
- [2022 Mariposa Ave](https://nearbypermits.com/boulder/address/2022-mariposa-ave/): newest permit Dec 11, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-10 14:10 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/1809-mariposa-ave/
