2323 El Sereno Avenue, Altadena: Accessory dwelling unit (ADU) After the Eaton Fire

Accessory dwelling unit (ADU) at 2323 El Sereno Avenue, Altadena, after the January 2025 Eaton Fire, permitted August 10, 2026. It has its building permit and construction is next. Builtie follows every fire rebuild in Los Angeles, address by address.
The same four steps, whether the buyer is a builder, a designer, an owner or a company you want to acquire.
The rebuild
| Address | 2323 El Sereno Avenue, Altadena, CA |
| Fire | Eaton Fire, January 2025 |
| Permits from | unincorporated Los Angeles County |
| Rebuild | Accessory dwelling unit (ADU) |
| Where it stands | Building permit issued |
| Application filed | February 16, 2026 |
| Building permit issued | August 10, 2026 |
| Stated construction value | under $250K |
Read from the Los Angeles County's fire recovery records for 2323 El Sereno Avenue. Owners, applicants and case numbers are left out.
Rebuild progress
| County rebuild progress | |
|---|---|
| ✓ | Rebuild application received |
| ✓ | Zoning review cleared |
| ✓ | Full building plans received |
| ✓ | Building plans approved |
| ✓ | Building permit issued (now) |
| Rebuild in construction | |
| Construction completed |
The County tracks every fire rebuild through these seven steps. 2323 El Sereno Avenue is at step 5: building permit issued.
Trades being bought now
At this point in a rebuild these trades are inside their award window:
| Trade | Award window |
|---|---|
| Excavation and Site Work | Before construction starts |
| Construction Site Security | Before the start to 15% |
| Concrete and Foundation | Before the start to 5% |
| Structural Steel | 0% to 15% |
| Elevators | 0% to 20% |
| Framing | 0% to 20% |
| Painting | 5% to 35% |
Other rebuilds on El Sereno Avenue
- 2299 El Sereno Avenue: Single-family home rebuild, under construction
- 2307 El Sereno Avenue: Single-family home rebuild, plans in review
- 2315 El Sereno Avenue: Single-family home rebuild, under construction
- 2330 El Sereno Avenue: Single-family home rebuild, completed
- 2333 El Sereno Avenue: Accessory dwelling unit (ADU), permit issued
- 2340 El Sereno Avenue: Single-family home rebuild, under construction
- 2350 El Sereno Avenue: Single-family home rebuild, under construction
- 2360 El Sereno Avenue: Single-family home rebuild, under construction
All of them: fire rebuilds on El Sereno Avenue, Altadena. The whole area: the Altadena and Pasadena Eaton Fire rebuild tracker.
For contractors
Builtie follows the fire rebuilds across Los Angeles, from Pacific Palisades to Altadena, and shows a trade which rebuilds are at the point where its work is bought. Where a permit names the builder, Builtie attaches the decision makers and their verified contacts.
Plans
Builtie's Starter plan is $79 per seat per month (CAD) for 20 projects; Growth is $99 for 50 projects and adds the LinkedIn and email outreach you run yourself. Opening a project spends one credit, and the decision makers, emails, phones and AI call script inside it are included. Your monthly credits reset at each renewal, and extra credit packs are valid for 30 days. The free trial runs 7 days with 10 projects. Custom, where Builtie's team runs the outreach for you, starts from CAD $1,500 a month on top of a Growth seat.
Frequently asked questions
What is being rebuilt at 2323 El Sereno Avenue, Altadena?
Accessory dwelling unit (ADU), after the Eaton Fire of January 2025.
What is the status of the rebuild at 2323 El Sereno Avenue?
Building permit issued, read October 20, 2026.
What does Builtie cost?
Starter is $79 per seat per month (CAD) for 20 projects; Growth is $99 for 50 projects and adds LinkedIn and email outreach. There is a 7-day free trial with 10 projects.
