# Building permits at 20666 Mesa Oak Dr, Riverside, CA

Two permits on record here. The newest, Jan 8: R8 ductwork (6 supply, 2 return). Riverside 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 8, 2026 | Mechanical (HVAC) | R8 ductwork (6 supply, 2 return) | $7,900 | [MP-2026-00298](https://nearbypermits.com/riverside/permit/MP-2026-00298/) |
| Nov 23, 2022 | Mechanical (HVAC) | Changeout 4-ton split system HVAC | $17,000 | [MP-2022-22017](https://nearbypermits.com/riverside/permit/MP-2022-22017/) |

## More on this street

Other addresses on Mesa Oak Dr with permits, nearest house number first:

- [20637 Mesa Oak Dr](https://nearbypermits.com/riverside/address/20637-mesa-oak-dr/): newest permit Dec 1, 2025
- [20600 Mesa Oak Dr](https://nearbypermits.com/riverside/address/20600-mesa-oak-dr/): newest permit Jan 12, 2026
- [20574 Mesa Oak Dr](https://nearbypermits.com/riverside/address/20574-mesa-oak-dr/): newest permit Sep 22, 2026
- [8944 Mesa Oak Dr](https://nearbypermits.com/riverside/address/8944-mesa-oak-dr/): newest permit Apr 22, 2026
- [8916 Mesa Oak Dr](https://nearbypermits.com/riverside/address/8916-mesa-oak-dr/): newest permit Dec 11, 2024
- [8857 Mesa Oak Dr](https://nearbypermits.com/riverside/address/8857-mesa-oak-dr/): newest permit Sep 21, 2026
- [8762 Mesa Oak Dr](https://nearbypermits.com/riverside/address/8762-mesa-oak-dr/): newest permit Feb 12, 2025
- [8738 Mesa Oak Dr](https://nearbypermits.com/riverside/address/8738-mesa-oak-dr/): newest permit Jan 16, 2026
- [8601 Mesa Oak Dr](https://nearbypermits.com/riverside/address/8601-mesa-oak-dr/): newest permit Mar 11, 2026

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Source: Riverside Building and Safety Division permit data (https://www.riversideca.gov/transparency/data/dataset/show/34). Checked 2026-10-08 05:43 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

This site provides applications using data that has been modified for use from its original source, www.riversideca.gov, www.engageriverside.com, or other related sites, the official websites of the City. The City makes no claims as to the content, accuracy, timeliness, or completeness of any of the data provided at this site. The data provided at this site is subject to change at any time. It is understood that the data provided at this site is being used at one's own risk.

Both permits at this address: https://nearbypermits.com/riverside/address/20666-mesa-oak-dr/