# Building permits at 640 Massachusetts Ave, Riverside, CA

One permit here in the last two years. The newest, Jul 2: Garage conversion to jadu (433 sqft) - (1) bed. 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 |
|---|---|---|---|---|
| Jul 2, 2026 | Addition | Garage conversion to jadu (433 sqft) - (1) bed, (1) bath, kitchen, and new addition 81 sf (laundry room) remodel 426 sf | $30,000 | [BP-2026-03514](https://nearbypermits.com/riverside/permit/BP-2026-03514/) |

## 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 Massachusetts Ave with permits, nearest house number first:

- [664 Massachusetts Ave](https://nearbypermits.com/riverside/address/664-massachusetts-ave/): newest permit Apr 22, 2026
- [514 Massachusetts Ave](https://nearbypermits.com/riverside/address/514-massachusetts-ave/): newest permit Feb 12, 2026
- [440 Massachusetts Ave](https://nearbypermits.com/riverside/address/440-massachusetts-ave/): newest permit Dec 3, 2024
- [421 Massachusetts Ave](https://nearbypermits.com/riverside/address/421-massachusetts-ave/): newest permit May 13, 2025
- [395 Massachusetts Ave](https://nearbypermits.com/riverside/address/395-massachusetts-ave/): newest permit Oct 24, 2025
- [394 Massachusetts Ave](https://nearbypermits.com/riverside/address/394-massachusetts-ave/): newest permit Aug 21, 2026
- [342 Massachusetts Ave](https://nearbypermits.com/riverside/address/342-massachusetts-ave/): newest permit Aug 14, 2025
- [321 Massachusetts Ave](https://nearbypermits.com/riverside/address/321-massachusetts-ave/): newest permit Feb 2, 2026
- [1080 Massachusetts Ave](https://nearbypermits.com/riverside/address/1080-massachusetts-ave/): newest permit Nov 1, 2024
- [1132 Massachusetts Ave](https://nearbypermits.com/riverside/address/1132-massachusetts-ave/): newest permit May 19, 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 13:05 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/640-massachusetts-ave/