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Altadena, CA 91001 · W Mariposa St

835 W Mariposa St

Built 1921 · 1,488 sq ft
LOT 23,602 SQ FT · 5 STRUCTURES · APN 5829-026-069Lot Structure
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The home

What's on record

Year built
1921
Living area
1,488 sqft
Lot size
23,602 sqft
Structures on lot
5 main home plus another structure: a garage, guest house or ADU
Bedrooms
3
Bathrooms
2
Home type
Single-family
Parcel (APN)
5829-026-069

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 2023
Expected 2038 to 2043From the 2023 permit
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
201 W Mariposa Ston record · 1,676 sqft279 W Mariposa Ston record · 1,455 sqft523 W Mariposa Ston record · 913 sqft471 W Mariposa Ston record · 1,141 sqft649 W Mariposa Ston record · 1,332 sqft793 W Mariposa Ston record · 987 sqft

See all 158 homes on W Mariposa St →

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The story of this home

Your home's update timeline

  • 2025
    permit on file, unconfirmedGeneral remodel: Remove And Replace Attic Insulation R-60
  • 2025
    permit on fileElectrical: Install 100 Amp Sub=Panel In Garage.
  • 2024
    permit on fileElectrical: Install Ev Charger At 40 Amps.
  • 2023
    permit on fileHeating & cooling: Install Ac Pro Slimline On The Side Of The Home Run Conduit Electrical And Line Sets Through The Crawlspace. 5” Hepa Filter Replacement, Nest Thermostat. We Are Going To Do A Heat Pump And Hook It Up To A Furnace And Coil For A Dual Fuel System.
  • 2022
    permit on fileGeneral remodel: Voluntary Seismic Retrofit Per L.A. City Standard Plan Detail #4.
  • 2019
    permit on fileHeating & cooling: Fau Closeout In Basement 80K Btu (1) Duct

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