What year was 100 Marathon Rd built?

100 Marathon Rd was built in 1961.

What does 100 Marathon Rd likely need?

Based on its age and history, likely upcoming projects include Roof inspection, Bathroom refresh, Get a solar quote. Add what you need to your list on LAHomework and we pass it to a local contractor for that trade.

100 Marathon Rd, Altadena CA 91001

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Mark what has been done

Most homes this age have replaced a few systems already. Pick the year for each below and your timeline fills in.

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The home

What's on record

Year built

1961

Living area

1,685 sqft

Lot size

7,063 sqft

Structures on lot

2 main home plus another structure: a garage, guest house or ADU

Bedrooms

3

Bathrooms

3

Home type

Single-family

Parcel (APN)

5833-012-026

Major systems

No system details on record yet. When you claim your home you can add them in a minute.

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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

311 Marathon Rdon record · 2,070 sqft 231 Marathon Rdon record · 1,366 sqft 183 Marathon Rdon record · 1,126 sqft 113 Marathon Rdon record · 1,470 sqft 79 Marathon Rdon record · 1,147 sqft 50 Marathon Rdon record · 1,532 sqft

See all 58 homes on Marathon Rd →

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Coming up

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The story of this home

Your home's update timeline

2026
permit on file, unconfirmedPlumbing: Sewer For An Eaton Fire Rebuild - 1-Story 1885 Sf Sfd (3 Beds, 2 Baths, 1 Powder Room) With 141 Sf Covered Porch And 400 Sf Attached Garage
2026
permit on file, unconfirmedElectrical: (1) 100Amp Temp Power Pole, 20Amp Circuit, 50Amp Circuit
2026
permit on file, unconfirmedPlumbing: Plumbing For An Eaton Fire Rebuild - 1-Story 1885 Sf Sfd (3 Beds, 2 Baths, 1 Powder Room) With 141 Sf Covered Porch And 400 Sf Attached Garage
2026
permit on file, unconfirmedElectrical: Electrical For An Eaton Fire Rebuild - 1-Story 1885 Sf Sfd (3 Beds, 2 Baths, 1 Powder Room) With 141 Sf Covered Porch And 400 Sf Attached Garage
2026
permit on file, unconfirmedHeating & cooling: Mechanical For An Eaton Fire Rebuild - 1-Story 1885 Sf Sfd (3 Beds, 2 Baths, 1 Powder Room) With 141 Sf Covered Porch And 400 Sf Attached Garage
2023
permit on fileGeneral remodel: Voluntary Seismic Upgrade Per La City Standard Detail #7 Only
2020
permit on fileKitchen: Kitchen Remodel: Kitchen Cabinets And Countertops Replacement. Conversion Of Closet Into Laundry Room. No Structural Changes.
2020
permit on filePlumbing: Install New Kitchen Sink, Dishwasher, And Relocate Laundry
2020
permit on file, unconfirmedElectrical: Kitchen Remodel And Laundry Relocation - New Circuit For Laundry, New Outlets, New Lights
2020
permit on fileHeating & cooling: Installation Of Hood Fan For Range

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100 Marathon Rd

What's on record

Major systems

Systems and what to plan for

Work done on this home

What does your home need?

Your home's update timeline