Complete Guide to SB-684 Lot Splits in Los Angeles County

California's SB-684 lot split law provides Los Angeles County property owners with unprecedented opportunities to maximize their property value through strategic lot division. This comprehensive guide covers everything you need to know about the SB-684 process in LA County.
What is SB-684?
Senate Bill 684 allows property owners to split single-family residential lots into two separate parcels through a streamlined administrative process. Unlike traditional subdivisions, SB-684 doesn't require lengthy public hearings or complex environmental reviews.
Los Angeles County Requirements
In LA County, SB-684 applications must meet specific criteria
- Original lot must be at least 2,400 square feet
- Each resulting lot must be minimum 1,200 square feet
- Property must be zoned for residential use
- Located in incorporated areas or urban county zones
- Must provide adequate access to public right-of-way
The Process in LA County
1. **Initial Assessment**
Verify your property meets size and zoning requirements
2. **Professional Survey**
Obtain accurate boundary measurements
3. **Application Preparation**
Complete all required LA County forms
4. **Submission**
File with LA County Planning Department
5. **Review Period**
60-90 day administrative review
6. **Approval and Recording**
Final approval and county recording
Timeline and Costs
Typical LA County SB-684 projects take 6-10 months and cost $20,000-35,000 including
- Professional survey
$5,000-10,000
- Application fees
$3,000-6,000
- Legal and consulting
$4,000-8,000
- Recording and miscellaneous
$2,000-4,000
Potential Value Increase
LA County lot splits typically increase property value by 50-80%. A $900,000 property on a large lot might be worth $1.4-1.6 million when properly split.
Next Steps
Contact a qualified professional to assess your property's SB-684 potential. With proper planning, lot splits can provide substantial returns on investment while creating valuable housing opportunities.