What year was 420 N Mentor Ave built?

420 N Mentor Ave was built in 1921.

When was the roof last updated at 420 N Mentor Ave?

A roof permit was last filed for this home in 2013.

What does 420 N Mentor Ave likely need?

Based on its age and history, likely upcoming projects include AC replacement or tune-up, Kitchen refresh, Bathroom refresh. Add what you need to your list on LAHomework and we pass it to a local contractor for that trade.

420 N Mentor Ave, Pasadena CA 91106

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2 items worth planning for in the next 5 years

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The home

What's on record

Year built

1921

Living area

1,611 sqft

Lot size

10,005 sqft

Structures on lot

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

Bedrooms

3

Bathrooms

2

Home type

Duplex (2 units)

Parcel (APN)

5732-018-035

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

2 worth planning for · 0 to confirm. Open "How we estimate this" on any card.

RoofOn record 2013

Expected 2033 to 2043From the 2013 permit

20262035

HVACOn record 2004

Usually done by 2024From the 2004 permit

Water heaterOn record 2013

Expected 2023 to 2028From the 2013 permit

20262035

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

Nearby on this street

622 N Mentor Aveon record · 2,061 sqft 392 N Mentor Aveon record · 3,260 sqft 654 N Mentor Aveon record · 560 sqft 632 N Mentor Aveon record · 1,258 sqft 608 N Mentor Aveon record · 1,236 sqft 429 N Mentor Aveon record · 2,106 sqft

See all 39 homes on N Mentor Ave →

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The story of this home

Your home's update timeline

2026
permit on fileElectrical: Electrical For New Construction Of A Detached 797 Sf. Accessory Dwelling Unit & Attached 150 Sf Covered Patio Trellis.-Assigned 422 N Mentor
2026
permit on file, unconfirmedHeating & cooling: Mechanical Permit For Online: New Construction Of A Detached 797 Sf. Accessory Dwelling Unit & Attached 150 Sf Covered Patio Trellis.
2025
permit on fileElectrical: Express Permit. Install One New 2-Meter Electrical Service Panel And One 200-Amp Sub Panel For Main House And Adu At Approved Location Per Pwp Requirements.
2025
permit on filePlumbing: Plumbing Permit For New Construction Of A Detached 797 Sf. Accessory Dwelling Unit & Attached 150 Sf Covered Patio Trellis.
2025
permit on file, unconfirmedRoom addition: Online: New Construction Of A Detached 797 Sf. Accessory Dwelling Unit & Attached 150 Sf Covered Patio Trellis.-Assigned 422 N Mentor
2013
permit on fileWater heater: Legalize Water Heater Replacement In Basement
2013
permit on fileRoof: Re Frame Existing Gable Roof On Detached Garage No Change In Height Or Floor Area - Subject To Field Inspection
2004
permit on fileHeating & cooling: Replace Bathrm Vent Fan
2004
permit on fileWater heater: Install Water Heater & Residential Copper Repipe

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