# Building permits at 502 Alta Mesa Dr, Riverside, CA

Two permits on record here. The newest, Jan 27: (N) 448 SQ. FT. ADU Over existing garage 1 bedroom. 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 27, 2026 | Electrical | (N) 448 SQ. FT. ADU Over existing garage 1 bedroom, 1 bath, laundry appliance, kitchen, & exterior stairs, install 100a. Elect. Subpanel master plan #bp-2025-18137 | $46,301 | [BP-2025-19303](https://nearbypermits.com/riverside/permit/BP-2025-19303/) |
| Feb 4, 2021 | New building | New 498 sf 2-story attached (adu) accessory dwelling unit: living room, kitchen; with bedroom/ bathroom/closet upstairs | $46,344 | [BP-2020-03914](https://nearbypermits.com/riverside/permit/BP-2020-03914/) |

## Zoning requests nearby

We don't list zoning cases for Riverside yet. Look them up on the city's Planning Commission page: https://riversideca.gov/cityclerk/boards-commissions/planning-commission

## More on this street

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

- [500 Alta Mesa Dr](https://nearbypermits.com/riverside/address/500-alta-mesa-dr/): newest permit Jan 27, 2026
- [427 Alta Mesa Dr](https://nearbypermits.com/riverside/address/427-alta-mesa-dr/): newest permit Sep 17, 2025
- [415 Alta Mesa Dr](https://nearbypermits.com/riverside/address/415-alta-mesa-dr/): newest permit Jan 30, 2025
- [413 Alta Mesa Dr](https://nearbypermits.com/riverside/address/413-alta-mesa-dr/): newest permit Jan 8, 2025

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Source: Riverside Building and Safety Division permit data (https://www.riversideca.gov/transparency/data/dataset/show/34). Checked 2026-10-09 03:39 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/502-alta-mesa-dr/