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Altadena, CA 91001 · E Mariposa St

240 E Mariposa St

Built 1939 · 1,800 sq ft
LOT 8,325 SQ FT · 2 STRUCTURES · APN 5835-035-012Lot Structure
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The home

What's on record

Year built
1939
Living area
1,800 sqft
Lot size
8,325 sqft
Structures on lot
2 main home plus another structure: a garage, guest house or ADU
Bedrooms
3
Bathrooms
2
Home type
Single-family
Parcel (APN)
5835-035-012

Major systems

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What's coming up

Systems and what to plan for

0 worth planning for · 2 to confirm. Open "How we estimate this" on any card.
RoofConfirm the year
Probably replaced alreadyWhen was it done?
HVACOn record 2020
Expected 2035 to 2040From the 2020 permit
20262035
Water heaterConfirm the year
Probably replaced alreadyWhen was it done?

Estimates from public records and typical system lifespans. Not an inspection. Marking something as done resets that system's clock.

Nearby on this street
86 E Mariposa Ston record · 1,524 sqft27 E Mariposa Ston record · 1,695 sqft55 E Mariposa Ston record · 1,545 sqft311 E Mariposa Ston record · 1,799 sqft534 E Mariposa Ston record · 2,153 sqft742 E Mariposa Ston record · 1,312 sqft

See all 148 homes on E Mariposa St →

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The story of this home

Your home's update timeline

  • 2026
    permit on file, unconfirmedElectrical: Electrical For An Interior Remodel Like For Like No Structural Changes, Remove And Replace Stucco, Window Change Outs Same Size And Location, Remove And Replace Tile Roof
  • 2026
    permit on file, unconfirmedPlumbing: Plumbing For An Interior Remodel Like For Like No Structural Changes, Remove And Replace Stucco, Window Change Outs Same Size And Location, Remove And Replace Tile Roof
  • 2025
    permit on file, unconfirmedPlumbing: Plumbing For An Eaton Fire Rebuild - New 1-Story 498 Sf Adu (1 Bedrooms And 1 Bathroom)
  • 2025
    permit on file, unconfirmedElectrical: Electrical For An Eaton Fire Rebuild - New 1-Story 498 Sf Adu (1 Bedrooms And 1 Bathroom)
  • 2025
    permit on file, unconfirmedHeating & cooling: Mechanical For An Eaton Fire Rebuild - New 1-Story 498 Sf Adu (1 Bedrooms And 1 Bathroom)
  • 2025
    permit on file, unconfirmedPlumbing: Sewer For An Eaton Fire Rebuild - New 1-Story 498 Sf Adu (1 Bedrooms And 1 Bathroom)
  • 2020
    permit on fileRoom addition: Convert (E) 336 Sqft Garage To Adu And Add 161 Sqft For 497 Sqft Detached Adu (1 Bed, 1 Bath)
  • 2020
    permit on fileHeating & cooling: Mechanical For Adu
  • 2020
    permit on fileElectrical: Electrical For Adu
  • 2020
    permit on filePlumbing: Plumbing For Adu
  • 2020
    permit on filePlumbing: Connect Adu Sewer To House Sewer

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