# Building permits at 777 Silver Lake Ave, Boulder, CO

Four permits on record here. The newest, Nov 13, 2025: Voided for inactivity - no inspection within 180 days. 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 |
|---|---|---|---|---|
| Nov 13, 2025 | Mechanical (HVAC) | Voided for inactivity - no inspection within 180 days. Install one Lochinvar floor mounted 95% eff. boiler model KHB285N and one new Lochinvar indirect fired water heater model SIT119. Includes Honeywell programable thermostat, equipment, materials, 50 percent glycol to water mix, zone valves, expan | $23,134 | [MEC2025-01988](https://nearbypermits.com/boulder/permit/MEC2025-01988/) |
| Oct 28, 2025 | Mechanical (HVAC) | Voided for inactivity - no inspection within 180 days Supply and install Mitsubishi H2i Heat Pump: 2 head system 1-2 wall head 2 ton mini split system with 1- 9,000btu wall heads and 1- 12,000btu wall head, 12" stand for outdoor unit, MHK2, thermostat for each wall head, condensate drain with pump,  | $18,470 | [MEC2025-01838](https://nearbypermits.com/boulder/permit/MEC2025-01838/) |
| Sep 8, 2021 | Roofing | Total tear-off & reroof of SFD, 12 squares of dimensional shingles on a pitch represented as 12/12. 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  | $3,360 | [RFG2021-00557](https://nearbypermits.com/boulder/permit/RFG2021-00557/) |
| Oct 1, 2009 | Mechanical (HVAC) | Replacement boiler -- 400,000 btu | $9,709 | [PMT2009-03947-MEC](https://nearbypermits.com/boulder/permit/PMT2009-03947-MEC/) |

## 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 Silver Lake Ave with permits, nearest house number first:

- [783 Silver Lake Ave](https://nearbypermits.com/boulder/address/783-silver-lake-ave/): newest permit Oct 27, 2025
- [765 Silver Lake Ave](https://nearbypermits.com/boulder/address/765-silver-lake-ave/): newest permit Oct 28, 2025
- [749 Silver Lake Ave](https://nearbypermits.com/boulder/address/749-silver-lake-ave/): newest permit Oct 28, 2025
- [744 Silver Lake Ave](https://nearbypermits.com/boulder/address/744-silver-lake-ave/): newest permit Nov 13, 2025
- [710 Silver Lake Ave](https://nearbypermits.com/boulder/address/710-silver-lake-ave/): newest permit Oct 27, 2025
- [707 Silver Lake Ave](https://nearbypermits.com/boulder/address/707-silver-lake-ave/): newest permit Nov 13, 2025
- [703 Silver Lake Ave](https://nearbypermits.com/boulder/address/703-silver-lake-ave/): newest permit Nov 13, 2025
- [700 Silver Lake Ave](https://nearbypermits.com/boulder/address/700-silver-lake-ave/): newest permit Oct 27, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-12 08:28 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 4 permits at this address: https://nearbypermits.com/boulder/address/777-silver-lake-ave/