440 W Mariposa Street, Altadena: Single-family home rebuild After the Eaton Fire
Single-family home rebuild at 440 W Mariposa Street, Altadena, after the January 2025 Eaton Fire, filed September 15, 2026. The plans show 1,320 sq ft. Its full plans are in review. 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 | 440 W Mariposa Street, Altadena, CA |
| Fire | Eaton Fire, January 2025 |
| Permits from | unincorporated Los Angeles County |
| Rebuild | Single-family home rebuild |
| What the plans show | 1,320 sq ft |
| Where it stands | Full building plans received |
| Application filed | September 15, 2026 |
| Stated construction value | $250K to $500K |
Read from the Los Angeles County's fire recovery records for 440 W Mariposa Street. Owners, applicants and case numbers are left out.
Rebuild progress
| County rebuild progress | |
|---|---|
| ✓ | Rebuild application received |
| ✓ | Zoning review cleared |
| ✓ | Full building plans received (now) |
| Building plans approved | |
| Building permit issued | |
| Rebuild in construction | |
| Construction completed |
The County tracks every fire rebuild through these seven steps. 440 W Mariposa Street is at step 3: full building plans received.
Other rebuilds on W Mariposa Street
- 402 W Mariposa Street: Single-family home rebuild, under construction
- 406 W Mariposa Street: Single-family home rebuild, plans in review
- 409 W Mariposa Street: Single-family home rebuild, under construction
- 419 W Mariposa Street: Single-family home rebuild, completed
- 424 W Mariposa Street: Single-family home rebuild, under construction
- 432 W Mariposa Street: Single-family home rebuild, under construction
- 481 W Mariposa Street: Single-family home rebuild, under construction
- 489 W Mariposa Street: Single-family home rebuild, under construction
All of them: fire rebuilds on W Mariposa Street, 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 440 W Mariposa Street, Altadena?
Single-family home rebuild (1,320 sq ft), after the Eaton Fire of January 2025.
What is the status of the rebuild at 440 W Mariposa Street?
Full building plans received, 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.