# Building permits at 4141 Nassau Pl, Boulder, CO 10 permits on record here. The newest, Jan 2: Deck replacement. 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 | |---|---|---|---|---| | Jan 2, 2026 | Alteration or repair | Deck replacement. 16 feet x 16 feet, 24 inches in height at highest point (i.e., above grade). | $8,300 | [BLD-SFD2025-00455](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00455/) | | Dec 9, 2025 | Mechanical (HVAC) | Replacement furnace and heat pump replacing air conditioner. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the | $20,802 | [MEC2025-02192](https://nearbypermits.com/boulder/permit/MEC2025-02192/) | | Jun 27, 2024 | Electrical | replacing current inverter with 2 Tesla Powerwall 3 inverter/battery | $30,000 | [ELE2024-00513](https://nearbypermits.com/boulder/permit/ELE2024-00513/) | | Oct 28, 2020 | Electrical | *6.2kW, grid-tied, NO Battery, roof mounted solar installation. | $17,883 | [ELE2020-01524](https://nearbypermits.com/boulder/permit/ELE2020-01524/) | | Aug 26, 2020 | Roofing | *Total tear-off & reroof of SFD, 30 squares of dimensional shingles on a pitch represented as 7/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. All roof covering materials shall be listed as Class A as tested in accordance | $13,000 | [RFG2020-00647](https://nearbypermits.com/boulder/permit/RFG2020-00647/) | | Jan 15, 2019 | Mechanical (HVAC) | Install mini split system, one outdoor unit (17 SEER), 2 indoor wall units (26 SEER) in a single family dwelling. Associated with ELE2019-00028. | $7,295 | [MEC2019-00038](https://nearbypermits.com/boulder/permit/MEC2019-00038/) | | Jan 15, 2019 | Electrical | Electrical for install of a new mini split system. Associated with MEC2019-00038. | $600 | [ELE2019-00028](https://nearbypermits.com/boulder/permit/ELE2019-00028/) | | Mar 2, 1999 | Alteration or repair | Basement finish the original general permit number is 990508. | $22,000 | [PMT1999-00508](https://nearbypermits.com/boulder/permit/PMT1999-00508/) | | May 30, 1996 | Alteration or repair | Residential deck redwood the original general permit number is 963522. | $1,200 | [PMT1996-03522](https://nearbypermits.com/boulder/permit/PMT1996-03522/) | | Jun 16, 1995 | New building | New SFD with att garage and unfin basement the original general permit number | $141,000 | [PMT1995-04477](https://nearbypermits.com/boulder/permit/PMT1995-04477/) | ## 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 Nassau Pl with permits, nearest house number first: - [4094 Nassau Pl](https://nearbypermits.com/boulder/address/4094-nassau-pl/): newest permit Dec 3, 2025 - [4075 Nassau Pl](https://nearbypermits.com/boulder/address/4075-nassau-pl/): newest permit Jan 7, 2026 - [4035 Nassau Pl](https://nearbypermits.com/boulder/address/4035-nassau-pl/): newest permit Oct 24, 2025 - [4295 Nassau Pl](https://nearbypermits.com/boulder/address/4295-nassau-pl/): newest permit Jun 25, 2026 - [4435 Nassau Pl](https://nearbypermits.com/boulder/address/4435-nassau-pl/): newest permit Jun 11, 2025 - [4520 Nassau Pl](https://nearbypermits.com/boulder/address/4520-nassau-pl/): newest permit Jun 17, 2026 - [4565 Nassau Pl](https://nearbypermits.com/boulder/address/4565-nassau-pl/): newest permit Jul 28, 2025 - [4605 Nassau Pl](https://nearbypermits.com/boulder/address/4605-nassau-pl/): newest permit Sep 11, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 17:31 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 10 permits at this address: https://nearbypermits.com/boulder/address/4141-nassau-pl/