# Building permits at 4640 Ninth St, Riverside, CA

Two permits on record here. The newest, Oct 23, 2024: Final previously expired permit #: 99-1098 remodel 538 sf addition of 1234 dwelling garage addition 1225sf. 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 |
|---|---|---|---|---|
| Oct 23, 2024 | Addition | Permit to final previously expired permit #: 99-1098 remodel 538 sf addition of 1234 dwelling garage addition 1225sf, new balcony 132sf | Not listed | [BP-2024-20373](https://nearbypermits.com/riverside/permit/BP-2024-20373/) |
| Mar 15, 2021 | Addition | Room addition: master bedroom suite with master bathroom, and expand den; remodel to existing residence: kitchen, dining room, (2) bathrooms, living room, and den; rebuilt patio cover roof. | $181,600 | [BP-2020-03629](https://nearbypermits.com/riverside/permit/BP-2020-03629/) |

## More on this street

Other addresses on Ninth St with permits, nearest house number first:

- [4600 Ninth St](https://nearbypermits.com/riverside/address/4600-ninth-st/): newest permit Apr 17, 2026
- [4579 Ninth St](https://nearbypermits.com/riverside/address/4579-ninth-st/): newest permit Jul 16, 2025
- [4404 Ninth St](https://nearbypermits.com/riverside/address/4404-ninth-st/): newest permit Aug 8, 2025
- [4394 Ninth St](https://nearbypermits.com/riverside/address/4394-ninth-st/): newest permit Mar 4, 2026
- [4380 Ninth St](https://nearbypermits.com/riverside/address/4380-ninth-st/): newest permit Dec 18, 2025
- [4280 Ninth St](https://nearbypermits.com/riverside/address/4280-ninth-st/): newest permit Aug 19, 2026
- [4238 Ninth St](https://nearbypermits.com/riverside/address/4238-ninth-st/): newest permit Jun 15, 2026
- [4199 Ninth St](https://nearbypermits.com/riverside/address/4199-ninth-st/): newest permit Apr 27, 2026
- [3506 Ninth St](https://nearbypermits.com/riverside/address/3506-ninth-st/): newest permit Jul 2, 2026
- [3014 Ninth St](https://nearbypermits.com/riverside/address/3014-ninth-st/): newest permit Oct 22, 2025

---
Source: Riverside Building and Safety Division permit data (https://www.riversideca.gov/transparency/data/dataset/show/34). Checked 2026-10-08 12:01 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/4640-ninth-st/