# Building permits at 3500 Polk St, Riverside, CA

53 permits on record here. The newest, Aug 18: Maze #3 - temporary haunted maze attraction during the month of october 2026 (castle park) - 4,346 sf. 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 18, 2026 | Fence, wall or deck | Maze #3 - temporary haunted maze attraction during the month of october 2026 (castle park) - 4,346 sf | $20,000 | [BP-2026-10494](https://nearbypermits.com/riverside/permit/BP-2026-10494/) |
| Aug 18, 2026 | Fence, wall or deck | Maze #2 - temporary haunted maze attraction during the month of october 2026 (castle park) - 3,390 sf | $22,000 | [BP-2026-10493](https://nearbypermits.com/riverside/permit/BP-2026-10493/) |
| Aug 18, 2026 | Fence, wall or deck | Maze #1- temporary haunted maze attraction during the month of october 2026 (castle park) - 1,560 sf | $25,000 | [BP-2026-10492](https://nearbypermits.com/riverside/permit/BP-2026-10492/) |
| Aug 18, 2026 | Fence, wall or deck | Maze #1- temporary haunted maze attraction during the month of october 2026 (castle park) - 1,560 sf maze #2 - temporary haunted maze attraction during the month of october 2026 (castle park) - 3,390 sf maze #3 - temporary haunted maze attraction during the month of october 2026 (castle park) - 4,34 | Not listed | [BP-2026-10212](https://nearbypermits.com/riverside/permit/BP-2026-10212/) |
| Jun 1, 2026 | Plumbing | Replace existing sewer ejector pump and install a new sewer injector system for an on-site food service facility | $30,000 | [BP-2026-01890](https://nearbypermits.com/riverside/permit/BP-2026-01890/) |
| May 13, 2026 | Alteration or repair | Replace existing grease interceptor | $40,000 | [BP-2026-01877](https://nearbypermits.com/riverside/permit/BP-2026-01877/) |
| Apr 24, 2026 | Plumbing | Replace existing interior water heater with a new exterior commercial electric water heater and enclosure for on-site food service facility | $15,000 | [BP-2026-01885](https://nearbypermits.com/riverside/permit/BP-2026-01885/) |
| Feb 24, 2026 | Mechanical (HVAC) | Changeout (5) pakage units hvacs: (2) 3 ton, (1) -5 ton (2) 10 ton HVAC - commercial rooftop package units, remove and replace (2) make-up air units, install (1) dedicated outdoor air system | $1,974,532 | [BP-2025-21507](https://nearbypermits.com/riverside/permit/BP-2025-21507/) |
| Jul 16, 2025 | Fence, wall or deck | T i: maze #1- temporary haunted maze attraction during the month of october 2024 (castle park) 2016 sf | $10,000 | [BP-2025-09956](https://nearbypermits.com/riverside/permit/BP-2025-09956/) |
| Jul 16, 2025 | Fence, wall or deck | T i: maze #2- temporary haunted maze attraction during the month of october 2024 (castle park) 4170 sf | $10,000 | [BP-2025-09955](https://nearbypermits.com/riverside/permit/BP-2025-09955/) |
| Jul 16, 2025 | Fence, wall or deck | T i: maze #3- temporary haunted maze attraction during the month of october 2024 (castle park) 5928 sf | $10,000 | [BP-2025-09954](https://nearbypermits.com/riverside/permit/BP-2025-09954/) |
| Jul 1, 2024 | Fence, wall or deck | T i: maze #1- temporary haunted maze attraction during the month of october 2024 (castle park) 2016 sf | $10,000 | [BP-2024-07614](https://nearbypermits.com/riverside/permit/BP-2024-07614/) |
| Jul 1, 2024 | Fence, wall or deck | T i: maze #2- temporary haunted maze attraction during the month of october 2024 (castle park) 4170 sf | $10,000 | [BP-2024-07613](https://nearbypermits.com/riverside/permit/BP-2024-07613/) |
| Jul 1, 2024 | Fence, wall or deck | T i: maze #3- temporary haunted maze attraction during the month of october 2024 (castle park) 5928 sf | $10,000 | [BP-2024-07612](https://nearbypermits.com/riverside/permit/BP-2024-07612/) |
| Sep 6, 2023 | Fence, wall or deck | T i: maze #3 (2016 sf) - temporary haunted maze attraction during the month of october 2023 (castle park) | $10,000 | [BP-2023-11802](https://nearbypermits.com/riverside/permit/BP-2023-11802/) |
| Sep 6, 2023 | Fence, wall or deck | T i: maze #1 (1490 sf) - temporary haunted maze attraction during the month of october 2023 (castle park) 8/3 kc | $5,000 | [BP-2023-11801](https://nearbypermits.com/riverside/permit/BP-2023-11801/) |
| May 17, 2023 | Sign | Install one (1) illuminated wall sign | $8,500 | [BP-2023-08151](https://nearbypermits.com/riverside/permit/BP-2023-08151/) |
| Feb 2, 2023 | Electrical | Temporary (2) 80 kw generators for special event | $5,000 | [BP-2023-02092](https://nearbypermits.com/riverside/permit/BP-2023-02092/) |
| Sep 14, 2022 | Fence, wall or deck | T i: maze #3 (2016 sf) - temporary haunted maze attraction during the month of october 2022 (castle park) | $10,000 | [BP-2022-12097](https://nearbypermits.com/riverside/permit/BP-2022-12097/) |
| Aug 18, 2022 | Fence, wall or deck | T i: maze #2 (2016 sf) - temporary haunted maze attraction during the month of october 2022 (castle park) | $10,000 | [BP-2022-12096](https://nearbypermits.com/riverside/permit/BP-2022-12096/) |
| Aug 18, 2022 | Fence, wall or deck | T i: maze #1 (1440 sf) - temporary haunted maze attraction during the month of october 2022 (castle park) | $10,000 | [BP-2022-12095](https://nearbypermits.com/riverside/permit/BP-2022-12095/) |
| Oct 1, 2021 | Fence, wall or deck | T i: maze #3 (2094 sf) - temporary haunted maze attraction during the month of october 2021 (castle park) | $5,000 | [BP-2021-12718](https://nearbypermits.com/riverside/permit/BP-2021-12718/) |
| Oct 1, 2021 | Fence, wall or deck | T i: maze #2 (2016 sf) - temporary haunted maze attraction during the month of october 2021 (castle park) | $5,000 | [BP-2021-12717](https://nearbypermits.com/riverside/permit/BP-2021-12717/) |
| Oct 1, 2021 | Fence, wall or deck | T i: maze #1 (1440 sf) - temporary haunted maze attraction during the month of october 2021 (castle park) | $5,000 | [BP-2021-12713](https://nearbypermits.com/riverside/permit/BP-2021-12713/) |
| Aug 14, 2019 | Fence, wall or deck | T i: maze #3- temporary haunted maze attraction during the month of october 2019 (castle park) | $5,000 | [BP-2019-00309](https://nearbypermits.com/riverside/permit/BP-2019-00309/) |
| Aug 14, 2019 | Fence, wall or deck | T i: maze #2- temporary haunted maze attraction during the month of october 2019 (castle park) | $5,000 | [BP-2019-00308](https://nearbypermits.com/riverside/permit/BP-2019-00308/) |
| Aug 14, 2019 | Fence, wall or deck | T i: maze #1- temporary haunted maze attraction during the month of october 2019 (castle park) | $5,000 | [BP-2019-00305](https://nearbypermits.com/riverside/permit/BP-2019-00305/) |
| Aug 7, 2018 | Other | T i: maze #3- temporary haunted maze attraction during the month of october 2019 (castle park) | $5,000 | [18-3302](https://nearbypermits.com/riverside/permit/18-3302/) |
| Aug 7, 2018 | Other | T i: maze #2- temporary haunted maze attraction during the month of october 2019 (castle park) | $5,000 | [18-3301](https://nearbypermits.com/riverside/permit/18-3301/) |
| Aug 7, 2018 | Other | T i: maze #1- temporary haunted maze attraction during the month of october 2018 (castle park) | $5,000 | [18-3300](https://nearbypermits.com/riverside/permit/18-3300/) |
| Mar 29, 2018 | Alteration or repair | Add wheelchair accessible ramp to existing amusement ride "fireball" - castle park - - | $20,000 | [17-5649](https://nearbypermits.com/riverside/permit/17-5649/) |
| Sep 7, 2017 | Other | T i: maze #3- temporary haunted maze attraction during the month of october 2017 (castle park) | $5,000 | [17-3880](https://nearbypermits.com/riverside/permit/17-3880/) |
| Sep 7, 2017 | Other | T i: maze #2- temporary haunted maze attraction during the month of october 2017 (castle park) | $5,000 | [17-3879](https://nearbypermits.com/riverside/permit/17-3879/) |
| Sep 7, 2017 | Other | T i: maze #1- temporary haunted maze attraction during the month of october 2017 (castle park) | $5,000 | [17-3877](https://nearbypermits.com/riverside/permit/17-3877/) |
| May 25, 2017 | Sign | New led display for existing pylon sign - castle park | $130,785 | [17-1502](https://nearbypermits.com/riverside/permit/17-1502/) |
| Oct 3, 2016 | Alteration or repair | T i: maze #3- temporary haunted maze attraction during the month of october 2016 (castle park) prior to occupancy architect shall provide structural observation letter in lieu of structural calculations and detailing > | $1,200 | [16-4764](https://nearbypermits.com/riverside/permit/16-4764/) |
| Sep 20, 2016 | Alteration or repair | T i: maze #2- temporary haunted maze attraction during the month of october 2016 (castle park) prior to opccupancy architect shall provide structural observation letter in lieu of structural calculations and detailing > | $1,200 | [16-4321](https://nearbypermits.com/riverside/permit/16-4321/) |
| Sep 20, 2016 | Alteration or repair | T i: maze #1- temporary haunted maze attraction during the month of october 2016 (castle park) prior to opccupancy architect shall provide structural observation letter in lieu of structural calculations and detailing > | $1,200 | [16-4320](https://nearbypermits.com/riverside/permit/16-4320/) |
| Aug 31, 2016 | Other | New rockin tub ride castlepark djd 07/19/16 | $20,000 | [16-2354](https://nearbypermits.com/riverside/permit/16-2354/) |
| Jan 20, 2016 | Electrical | Generator - 250 kw temporary use for circus lights & sound system | $1,000 | [16-0277](https://nearbypermits.com/riverside/permit/16-0277/) |
| Sep 18, 2015 | Other | T i: maze #3- temporary haunted maze attraction during the month of october 2015 (castle park) | $1,000 | [15-3330](https://nearbypermits.com/riverside/permit/15-3330/) |
| Sep 18, 2015 | Other | T i: maze #2- temporary haunted maze attraction during the month of october 2015 (castle park) | $1,000 | [15-3329](https://nearbypermits.com/riverside/permit/15-3329/) |
| Sep 18, 2015 | Other | T i: maze #1- temporary haunted maze attraction during the month of october 2015 (castle park) | $1,000 | [15-3328](https://nearbypermits.com/riverside/permit/15-3328/) |
| May 20, 2015 | Alteration or repair | Castlepark - new foundation, equipment pad, and loading area for manufacturer supplied amusement ride (new monitor enclosure) | $100,000 | [15-1148](https://nearbypermits.com/riverside/permit/15-1148/) |
| Feb 4, 2015 | Electrical | 175 Kw generator for lighting at circus | $2,500 | [15-0493](https://nearbypermits.com/riverside/permit/15-0493/) |
| Sep 26, 2014 | Other | T i: maze #3- temporary haunted maze attraction during the month of october 2014 (castle park) | $1,000 | [14-3765](https://nearbypermits.com/riverside/permit/14-3765/) |
| Sep 26, 2014 | Other | T i: maze #2- temporary haunted maze attraction during the month of october 2014 (castle park) | $1,000 | [14-3764](https://nearbypermits.com/riverside/permit/14-3764/) |
| Sep 26, 2014 | Other | T i: maze #1- temporary haunted maze attraction during the month of october 2014 (castle park) | $1,000 | [14-3763](https://nearbypermits.com/riverside/permit/14-3763/) |
| Sep 9, 2014 | Electrical | Relocate electric for ride to new monitor enclosure next to the ride - castle park | $2,500 | [14-2411](https://nearbypermits.com/riverside/permit/14-2411/) |
| Sep 26, 2013 | Other | T i: maze #3- temporary haunted maze attraction during the month of october 2013 (castle park) | $1,000 | [13-3046](https://nearbypermits.com/riverside/permit/13-3046/) |
| Sep 26, 2013 | Other | T i: maze #2- temporary haunted maze attraction during the month of october 2013 (castle park) | $1,000 | [13-3045](https://nearbypermits.com/riverside/permit/13-3045/) |
| Feb 22, 2013 | Other | Ti - install new accessible counter for amusement park cafe - castle park * * * no changes to the electric panel - existing * * * | $15,000 | [12-3889](https://nearbypermits.com/riverside/permit/12-3889/) |
| Jan 25, 2013 | Alteration or repair | Add (57) square feet for janitor's room with floor sink to side of existing public restrooms (castle park) | $5,000 | [12-1381](https://nearbypermits.com/riverside/permit/12-1381/) |

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

- [3717 Polk St](https://nearbypermits.com/riverside/address/3717-polk-st/): newest permit May 11, 2026
- [3719 Polk St](https://nearbypermits.com/riverside/address/3719-polk-st/): newest permit May 11, 2026
- [3725 Polk St](https://nearbypermits.com/riverside/address/3725-polk-st/): newest permit May 11, 2026
- [3729 Polk St](https://nearbypermits.com/riverside/address/3729-polk-st/): newest permit May 22, 2026
- [3731 Polk St](https://nearbypermits.com/riverside/address/3731-polk-st/): newest permit May 22, 2026
- [3733 Polk St](https://nearbypermits.com/riverside/address/3733-polk-st/): newest permit May 22, 2026
- [3875 Polk St](https://nearbypermits.com/riverside/address/3875-polk-st/): newest permit Oct 15, 2024
- [3884 Polk St](https://nearbypermits.com/riverside/address/3884-polk-st/): newest permit Jan 23, 2025
- [3890 Polk St](https://nearbypermits.com/riverside/address/3890-polk-st/): newest permit Jun 11, 2026
- [3907 Polk St](https://nearbypermits.com/riverside/address/3907-polk-st/): newest permit Jul 22, 2025

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Source: Riverside Building and Safety Division permit data (https://www.riversideca.gov/transparency/data/dataset/show/34). Checked 2026-10-12 01:18 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 53 permits at this address: https://nearbypermits.com/riverside/address/3500-polk-st/