# Building permits at 3900 Main St, Riverside, CA 14 permits here in the last two years. The newest, Aug 27: IT Test - Please Disregard. 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 | |---|---|---|---|---| | Aug 27, 2026 | Alteration or repair | IT Test - Please Disregard | Not listed | [BP-2025-20711](https://nearbypermits.com/riverside/permit/BP-2025-20711/) | | Jul 23, 2026 | Sign | Testing email notification | Not listed | [BP-2026-12724](https://nearbypermits.com/riverside/permit/BP-2026-12724/) | | Jul 8, 2026 | Alteration or repair | | Not listed | [BP-2025-20714](https://nearbypermits.com/riverside/permit/BP-2025-20714/) | | Nov 6, 2025 | Electrical | Install 200 kw generator for filming purposes | $2,000 | [EP-2025-21244](https://nearbypermits.com/riverside/permit/EP-2025-21244/) | | Oct 26, 2025 | Other | Nghi testing for stephanie | Not listed | [BP-2025-20713](https://nearbypermits.com/riverside/permit/BP-2025-20713/) | | Oct 25, 2025 | Electrical | Test panel upgrade for posse upgrade | Not listed | [EP-2025-20706](https://nearbypermits.com/riverside/permit/EP-2025-20706/) | | Oct 25, 2025 | Alteration or repair | Test | Not listed | [BP-2025-20708](https://nearbypermits.com/riverside/permit/BP-2025-20708/) | | Oct 25, 2025 | New building | Test posse upgrade - new single family residence | Not listed | [BP-2025-20703](https://nearbypermits.com/riverside/permit/BP-2025-20703/) | | Sep 17, 2025 | Fence, wall or deck | Install bat roosting structure | $222,000 | [BP-2025-17843](https://nearbypermits.com/riverside/permit/BP-2025-17843/) | | Apr 4, 2025 | Alteration or repair | Test | Not listed | [BP-2025-06365](https://nearbypermits.com/riverside/permit/BP-2025-06365/) | | Apr 2, 2025 | Alteration or repair | Test | Not listed | [BP-2025-06214](https://nearbypermits.com/riverside/permit/BP-2025-06214/) | | Jan 13, 2025 | Other | Testing whole file uploads - not a real permit - sk/sdr | Not listed | [BP-2024-24738](https://nearbypermits.com/riverside/permit/BP-2024-24738/) | | Dec 10, 2024 | New building | Test application for training 12/2/2024 (N) detached ADU with (2) bedrooms/(2) bathrooms | $130,000 | [BP-2024-23143](https://nearbypermits.com/riverside/permit/BP-2024-23143/) | | Oct 8, 2024 | Sign | New sign for testing purposes only | Not listed | [BP-2021-08321](https://nearbypermits.com/riverside/permit/BP-2021-08321/) | ## More on this street Other addresses on Main St with permits, nearest house number first: - [3800 Main St](https://nearbypermits.com/riverside/address/3800-main-st/): newest permit Jan 21, 2025 - [4001 Main St](https://nearbypermits.com/riverside/address/4001-main-st/): newest permit Mar 21, 2025 - [3750 Main St](https://nearbypermits.com/riverside/address/3750-main-st/): newest permit Jun 30, 2026 - [3737 Main St](https://nearbypermits.com/riverside/address/3737-main-st/): newest permit Jul 8, 2026 - [3700 Main St](https://nearbypermits.com/riverside/address/3700-main-st/): newest permit Mar 3, 2026 - [3563 Main St](https://nearbypermits.com/riverside/address/3563-main-st/): newest permit Nov 5, 2024 - [3521 Main St](https://nearbypermits.com/riverside/address/3521-main-st/): newest permit Nov 24, 2025 - [4481 Main St](https://nearbypermits.com/riverside/address/4481-main-st/): newest permit Oct 28, 2025 - [2758 Main St](https://nearbypermits.com/riverside/address/2758-main-st/): newest permit Apr 28, 2025 - [2727 Main St](https://nearbypermits.com/riverside/address/2727-main-st/): newest permit Apr 2, 2025 --- Source: Riverside Building and Safety Division permit data (https://www.riversideca.gov/transparency/data/dataset/show/34). Checked 2026-10-08 04:55 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. All 14 permits at this address: https://nearbypermits.com/riverside/address/3900-main-st/