# Building permits at 3989 Mt Vernon Ave, Riverside, CA

Two permits on record here. The newest, Jul 29: Changeout 5 ton heat pump split system with r8 ductwork. 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 29, 2026 | Mechanical (HVAC) | Changeout 5 ton heat pump split system with r8 ductwork | $18,000 | [MP-2026-07210](https://nearbypermits.com/riverside/permit/MP-2026-07210/) |
| Jul 14, 2014 | Solar | Install PV solar system with (28) photovoltaic panels on residential roof - 7.0 kw 125a PV load center | $28,000 | [14-2566](https://nearbypermits.com/riverside/permit/14-2566/) |

## 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 Mt Vernon Ave with permits, nearest house number first:

- [3991 Mt Vernon Ave](https://nearbypermits.com/riverside/address/3991-mt-vernon-ave/): newest permit May 14, 2026
- [4170 Mt Vernon Ave](https://nearbypermits.com/riverside/address/4170-mt-vernon-ave/): newest permit Aug 21, 2025
- [4223 Mt Vernon Ave](https://nearbypermits.com/riverside/address/4223-mt-vernon-ave/): newest permit Nov 4, 2025
- [4228 Mt Vernon Ave](https://nearbypermits.com/riverside/address/4228-mt-vernon-ave/): newest permit Oct 8, 2025
- [3682 Mt Vernon Ave](https://nearbypermits.com/riverside/address/3682-mt-vernon-ave/): newest permit Mar 5, 2026
- [3676 Mt Vernon Ave](https://nearbypermits.com/riverside/address/3676-mt-vernon-ave/): newest permit May 5, 2026
- [4350 Mt Vernon Ave](https://nearbypermits.com/riverside/address/4350-mt-vernon-ave/): newest permit Oct 8, 2025
- [3620 Mt Vernon Ave](https://nearbypermits.com/riverside/address/3620-mt-vernon-ave/): newest permit Aug 20, 2026
- [3566 Mt Vernon Ave](https://nearbypermits.com/riverside/address/3566-mt-vernon-ave/): newest permit Oct 7, 2024
- [3538 Mt Vernon Ave](https://nearbypermits.com/riverside/address/3538-mt-vernon-ave/): newest permit Mar 25, 2025

---
Source: Riverside Building and Safety Division permit data (https://www.riversideca.gov/transparency/data/dataset/show/34). Checked 2026-10-10 19:13 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/3989-mt-vernon-ave/