# New building permit BP-2025-18137 at 500 Alta Mesa Dr, Riverside

Riverside Building and Safety Division permit BP-2025-18137: issued Jan 27, 2026 for new building work at 500 Alta Mesa Dr. Master plan for plan check tracking only - see production permits proposed 448 SQ. FT. ADU Over existing garage 1 bedroom, 1 bath, laundry appliance, kitchen, & exterior stairs. Install 100a. Electric subpanel and the existing 2-story ADU to be converted into jadu (just to change the lables from existing ADU to jadu so that the new structure will be the new ADU.

- Permit number: BP-2025-18137
- Issued: Jan 27, 2026
- Type of work: New building (city: Single Family Residence, New, Residential)
- Status: Issued (city: Issued)
- Reported cost: Not listed
- ZIP code: Not listed
- All permits at this address: https://nearbypermits.com/riverside/address/500-alta-mesa-dr/

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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 05:59 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 500 Alta Mesa Dr: https://nearbypermits.com/riverside/address/500-alta-mesa-dr/