# Building permits at 4377 Highland Pl, Riverside, CA

One permit on record here. The newest, Sep 4, 2025: Convert (E) detached garage to ADU: studio with (1) bathroom. 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 |
|---|---|---|---|---|
| Sep 4, 2025 | Alteration or repair | Convert (E) detached garage to ADU: studio with (1) bathroom, (1) bedroom - 400 sq.ft. Electric service upgrade under a separate permit | $35,000 | [BP-2023-20107](https://nearbypermits.com/riverside/permit/BP-2023-20107/) |

## 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 Highland Pl with permits, nearest house number first:

- [4375 Highland Pl](https://nearbypermits.com/riverside/address/4375-highland-pl/): newest permit Aug 25, 2025
- [4411 Highland Pl](https://nearbypermits.com/riverside/address/4411-highland-pl/): newest permit Oct 28, 2024
- [4143 Highland Pl](https://nearbypermits.com/riverside/address/4143-highland-pl/): newest permit Apr 15, 2026

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Source: Riverside Building and Safety Division permit data (https://www.riversideca.gov/transparency/data/dataset/show/34). Checked 2026-10-09 19:44 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.

The one permit at this address: https://nearbypermits.com/riverside/address/4377-highland-pl/