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Prop 19 2025 Guide: Transfer Your Property Tax Base (LA & Ventura)
Dated: October 15 2025
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📆 Updated October 2025 🏠 Prop 19 📍 Los Angeles & Ventura 🧮 Seller Net Examples
Prop 19 2025: Transfer Your Property Tax Base (LA & Ventura)
Who Homeowners 55+, severely disabled, or wildfire/natural disaster victims.
Where Transfer your tax base to a replacement primary home anywhere in California.
When Buy and sell can occur in either order within a 2-year window.
How many 55+ / disabled: up to three transfers; disaster: generally one.
Planning guide only—confirm specifics with your county assessor or tax professional.
Who Qualifies
Age 55+
Either spouse/partner can be 55+ at the time of purchase or sale. Primary residence on both sides.
Severely Disabled
Meets state guidelines; primary residence transfer similar to 55+ category.
Wildfire / Disaster
Primary residence was substantially damaged in a declared disaster; generally one transfer.
How the Math Works
Equal or Lesser Value
If the replacement home price is ≤ sale price of the original home, you keep your original taxable value (adjusted annually under Prop 13).
Greater Value
If the replacement price is higher, your new taxable value ≈ original taxable value + (replacement price − original sale price).
Timing rule: your purchase and sale need to occur within a 2-year period; order doesn’t matter. File a claim with the assessor.
Prop 19 Examples (Simple & Transparent)
Example A — Equal/Lesser
Sell LA home for $1,200,000; current taxable value $550,000. Buy in Camarillo for $1,150,000 (≤ sale price).
Result: New taxable value ≈ $550,000 (then normal Prop 13 adjustments).
Example B — Greater
Sell LA home for $1,200,000; current taxable value $550,000. Buy in Thousand Oaks for $1,350,000.
Difference: $1,350,000 − $1,200,000 = $150,000.
Result: New taxable value ≈ $550,000 + $150,000 = $700,000.
Example C — Disaster
Primary residence substantially damaged in a declared disaster. Replacement home at $900,000; prior taxable value $420,000.
Result: Base typically transfers (one use). File under the disaster provision.
Illustrative only—the assessor calculates your final taxable value after reviewing your claim.
County Filing Steps (LA & Ventura)
LA County
- File the base-year value transfer claim (Prop 19) with the LA County Assessor.
- Provide proof of age/disability or disaster loss as applicable.
- Deadline: file as soon as practical after the transfer (assessor guidance applies).
Ventura County
- Submit the Prop 19 claim to the Ventura County Assessor.
- Include purchase/sale docs and residency affidavits.
- Respond promptly to any assessor follow-up to keep timelines.
Your escrow officer can help confirm the correct form version and filing window for your situation.
Seller & Buyer Playbook
1) Plan Your Window
Decide whether you’ll buy first or sell first. Either order works if both close within 2 years.
2) Model Net & Payment
Run a net sheet and a property-tax estimate at list / target / stretch prices.
3) Target the Right Homes
Focus on single-story/low-maintenance homes in Ventura County. Save searches and set alerts.
More From the Blog
This is neutral, informational content about California Proposition 19. It is not tax or legal advice. Confirm eligibility, timelines, and calculations with your county assessor and advisor.
Sources
- California State Board of Equalization (BOE) — Proposition 19 overview, FAQs, forms, and technical memos (LTAs). (accessed Oct 2025)
- BOE Guidance/News — Intergenerational primary-residence exclusion cap adjustments (most recent window beginning Feb 16, 2025). (accessed Oct 2025)
- Los Angeles County Assessor — Prop 19 filing instructions, claim forms, documentation checklists. (accessed Oct 2025)
- Ventura County Assessor — Base-year value transfer claims, timelines, and office contacts. (accessed Oct 2025)
- CalMatters — Non-partisan Prop 19 explainer and implementation context. (accessed Oct 2025)
- Regional reporting (e.g., SF Chronicle) — Adoption/usage since implementation (context only, non-advocacy). (accessed Oct 2025)
Figures are planning estimates. Your assessor’s office will determine final eligibility and taxable values.
Zachary Wasserman
With a passion for excellence and a commitment to providing you with the best real estate experience, I am are here to help you navigate the exciting world of buying, selling, and investing in propert....
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