Same zip, different jurisdiction: this page covers LA County Public Works (DPW). The same zip code(s) also cover parts of La Puente (La Puente (its own permits)) and Industry (City of Industry) (Industry (City of Industry) (its own permits)). Verify your parcel's jurisdiction before filing — different agencies, different rules.
San Gabriel Valley · LA County (Unincorporated)
ADU permits in Valinda
Zip codes:9174491746
Valinda is an unincorporated community of about 22,500 people in the eastern San Gabriel Valley, between West Covina and the City of Industry. It is not a city. Building permits run through Los Angeles County Public Works (Building & Safety).
Unincorporated LA County, not LADBS
Valinda is unincorporated territory. Building permits go through LA County Public Works (Building & Safety) ↗ under LA County Code Title 22, not the Los Angeles Department of Building and Safety (LADBS). Our address checker pulls real feasibility data for any LA County address; the Valinda-specific permit pathway is detailed below.
Valinda by the numbers
Rounded figures from the 2020 US Census, LA County Assessor parcel data, and LA County DPW permit records.
Population
22,500
2020 Census
Single-family homes
~5,400
LA County Assessor
Median lot size
5,800 sqft
Approximate
ADU permits filed 2025
~61
Source: HCD 2025 total (1,278) distributed proportionally across 2024 per-area shares. 2024: 70.
What makes Valinda different
Valinda is functionally distinct from surrounding cities. Permits run through LA County DPW Building & Safety at the Alhambra office via EPIC-LA. Strong Mexican-American + Filipino-American community presence.
LA County ADU rules for Valinda
Last verified: 2026-04-15
Current LA County rules from Title 22 of the County Code, as applied to Valinda. State preemption (Gov Code §65852.2) means the county can't reduce below the state baseline. We note where that applies.
| Max detached ADU size | 1,200 sqft (state default) |
| Max ADU height | 16 ft / 18 ft with second-story setbacks |
| Setbacks | 4 ft side / 4 ft rear (state minimum) |
| Permitting agency | LA County Public Works (Building & Safety), Alhambra office |
| Local processing time | 60 days from complete submittal (state-mandated) |
Active overlays + extra rules in Valinda
LA County overlays + state-level designations that hit a meaningful share of Valinda parcels.
Watch-outs specific to Valinda
- 01
Verify jurisdiction — surrounded by 3 different cities
Valinda's borders weave between West Covina, La Puente, and Industry. Parcel-by-parcel jurisdiction verification is essential before filing.
Plans that fit Valinda lots
For unincorporated Los Angeles County, the LA County A / B / C pre-approved Accessory Dwelling Unit (ADU) plans are free and usable here. California Department of Housing and Community Development (HCD)-approved prefab also bypasses local plan check entirely.
Amenities + civic services in Valinda
Parks, libraries, and the school district that serve the area. Context that matters for renter appeal, family relocation, and long-term resale.
Parks + sports
Valinda Park
Valinda Boulevard
LA County community park.
- Baseball
- Playground
- Picnic
Libraries
Valinda Library
LA County Library
Valinda Boulevard
Public schools
School assignments vary by exact address. Performance levels below are from the official California School Dashboard — California's official accountability system uses colored levels (blue highest, red lowest) rather than 1-10 numeric scores.
District
Rowland Unified School District + West Covina Unified School District
Getting around Valinda
Car-dependent suburban.
Transit + walkability
Bus lines
- Foothill Transit 480
Walkability
Mostly car-dependent.
Nearby airports
Distance + type for each major Los Angeles-area airport reachable from Valinda. Useful for travel, commute, and any flight-path noise concerns on specific parcels.
Brackett Field (POC)
~8 miGeneral aviation
Los Angeles International (LAX)
~28 miInternational
Nearby areas to Valinda
Other Los Angeles-area pages worth a look. Each one runs different Accessory Dwelling Unit (ADU) rules depending on jurisdiction — we show you what changes when you cross a city or county line.
LA County unincorporated
Hacienda Heights →
Eastern SGV unincorporated community with strong Taiwanese-American cultural roots. Large lots + mid-tier home values + LA County jurisdiction (not LADBS) shape the Accessory Dwelling Unit (ADU) calculus.
LA County unincorporated
Rowland Heights →
Dense Chinese-American + Taiwanese-American unincorporated SGV community. Strong long-term Accessory Dwelling Unit (ADU) rental demand from multigenerational-household culture + premium-Asian-retail commercial anchor.
LA County unincorporated
Avocado Heights →
Eastern SGV unincorporated community with equestrian-zoned pockets. Large lots + LA County jurisdiction shape Accessory Dwelling Unit (ADU) opportunities.
Other permits in Valinda
LA County Public Works (Building & Safety) handles ADU, solar, and garage-conversion permits for Valindaand the rest of unincorporated LA County. We've broken each out as its own pathway page.
Frequently asked questions about Valinda ADUs
›Can I build an ADU in Valinda?
Yes. Valinda allows ADUs under LA County Code Title 22, aligned with California Gov Code §65852.2. Most single-family lots can host one ADU plus one JADU. Permits go through LA County Public Works (Building & Safety), not LADBS, since Valinda is unincorporated territory rather than a city.
›Why does Valinda use LA County rules instead of LA City rules?
Valinda is unincorporated. It's never been formally incorporated as its own city, so LA County serves as the local government. Building permits, zoning, sheriff, libraries (in many cases), and most other services run through county departments rather than city ones.
›Where do I submit my Valinda ADU permit?
Online via LA County's EPIC-LA portal, or in-person at the LA County Public Works Building & Safety counter in Alhambra (900 S. Fremont Avenue). The EPIC-LA online portal handles most ADU submittals end-to-end, so you rarely need to visit in person.
›How long does the ADU permit process take in Valinda?
LA County DPW targets the state-required 60-day plan check for ADUs from a complete submittal. Hillside, VHFHSZ, or environmental-review parcels can extend timelines by 4 to 12 weeks. Valinda-specific overlays may add additional time. See the watch-outs above.
›Are LA County's pre-approved ADU plans free?
Yes. LA County maintains three pre-approved standard ADU plans (Plans A, B, and C) usable in any unincorporated area, including Valinda. They're free to use, similar to LADBS's YOU-ADU program. The trade-off is reduced design flexibility, but for a fast, low-cost permit path they're the strongest option.
Ready to see what your Valinda lot can do?
Our free address checker pulls real zoning, overlay, and parcel data for any Los Angeles County address, including unincorporated Valinda. Start there and we'll surface what applies to your specific lot.
Check your address →Reviewed by Yair Harpaz, Founder, PermitPathLA. California DRE-licensed broker with 30+ years of Los Angeles real estate and mortgage industry experience.
Valinda ordinance data last reviewed .
See an error or stale rule? corrections@permitpath.la
Primary sources: LA County DPW ADU info · LA County Code Title 22