# Building permits at 4256 Twelfth St, Riverside, CA

One permit on record here. The newest, Sep 25, 2025: Convert (E) attached garage to ADU 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 |
|---|---|---|---|---|
| Sep 25, 2025 | Alteration or repair | Convert (E) attached garage to ADU 1 bedroom, 1 bathroom, kitchen, living room - 588 sqft *if applicable panel upgrade and PV solar system to be by separate permit | $74,000 | [BP-2025-07087](https://nearbypermits.com/riverside/permit/BP-2025-07087/) |

## 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 Twelfth St with permits, nearest house number first:

- [4024 Twelfth St](https://nearbypermits.com/riverside/address/4024-twelfth-st/): newest permit Jun 20, 2025
- [3325 Twelfth St](https://nearbypermits.com/riverside/address/3325-twelfth-st/): newest permit Apr 8, 2026
- [3087 Twelfth St](https://nearbypermits.com/riverside/address/3087-twelfth-st/): newest permit Jan 28, 2025
- [3080 Twelfth St](https://nearbypermits.com/riverside/address/3080-twelfth-st/): newest permit Jun 12, 2026
- [3021 Twelfth St](https://nearbypermits.com/riverside/address/3021-twelfth-st/): newest permit May 15, 2026
- [2611 Twelfth St](https://nearbypermits.com/riverside/address/2611-twelfth-st/): newest permit Jan 22, 2025
- [2501 Twelfth St](https://nearbypermits.com/riverside/address/2501-twelfth-st/): newest permit Oct 16, 2024
- [2220 Twelfth St](https://nearbypermits.com/riverside/address/2220-twelfth-st/): newest permit Oct 17, 2024
- [2039 Twelfth St](https://nearbypermits.com/riverside/address/2039-twelfth-st/): newest permit Apr 15, 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 06:00 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/4256-twelfth-st/