4141 Nassau Pl

Boulder, CO 80301

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.

1. Deck replacement

   Alteration or repair
   Jan 2$8,300
2. Replacement furnace and heat pump replacing air conditioner

   Mechanical (HVAC)
   Dec 9, 2025$20,802
3. Replacing current inverter with 2 Tesla Powerwall 3 inverter/battery

   Electrical
   Jun 27, 2024$30,000
4. *6.2kW, grid-tied, NO Battery, roof mounted solar installation

   Electrical
   Oct 28, 2020$17,883
5. *Total tear-off & reroof of SFD

   Roofing
   Aug 26, 2020$13,000
6. Install mini split system, one outdoor unit (17 SEER)

   Mechanical (HVAC)
   Jan 15, 2019$7,295
7. Electrical for install of a new mini split system

   Electrical
   Jan 15, 2019$600
8. Basement finish the original general permit number is 990508

   Alteration or repair
   Mar 2, 1999$22,000
9. Residential deck redwood the original general permit number is 963522

   Alteration or repair
   May 30, 1996$1,200
10. New SFD with att garage and unfin basement the original general permit number

    New building
    Jun 16, 1995$141,000

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page.

• 4094 Nassau Pl newest permit Dec 3, 2025
• 4075 Nassau Pl newest permit Jan 7, 2026
• 4035 Nassau Pl newest permit Oct 24, 2025
• 4295 Nassau Pl newest permit Jun 25, 2026
• 4435 Nassau Pl newest permit Jun 11, 2025
• 4520 Nassau Pl newest permit Jun 17, 2026
• 4565 Nassau Pl newest permit Jul 28, 2025
• 4605 Nassau Pl newest permit Sep 11, 2025

Boulder Planning and Development Services updated its data Oct 8, 2026. We checked it Oct 8, 14:24 UTC. See the city's official records.

At this address: every permit the city holds. Nearby: permits from the last two years, from our copy of the city's data.

For agents and scripts: This page as Markdown · JSON · Nearby as JSON · MCP tool permits_near