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Pasadena, CA 91106 · S Wilson Ave

525 S Wilson Ave

Built 1921 · 5,030 sq ft
LOT 14,031 SQ FT · 4 STRUCTURES · APN 5327-003-022Lot Structure
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The home

What's on record

Year built
1921
Living area
5,030 sqft
Lot size
14,031 sqft
Structures on lot
4 main home plus another structure: a garage, guest house or ADU
Bedrooms
11
Bathrooms
2
Home type
Single-family
Parcel (APN)
5327-003-022

Major systems

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What's coming up

Systems and what to plan for

0 worth planning for · 1 to confirm. Open "How we estimate this" on any card.
RoofOn record 2025
Expected 2045 to 2055From the 2025 permit
HVACOn record 2025
Expected 2040 to 2045From the 2025 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
391 S Wilson Aveon record · 1,556 sqft505 S Wilson Aveon record · 2,507 sqft379 S Wilson Aveon record · 1,481 sqft295 S Wilson Aveon record · 1,704 sqft120 S Wilson Aveon record · 1,502 sqft373 S Wilson Aveon record · 3,080 sqft

See all 87 homes on S Wilson Ave →

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The story of this home

Your home's update timeline

  • 2025
    permit on fileRoof: Re-Roof Of Front Property (35 Squares) And Detached Garage ( 5 Squares)
  • 2025
    permit on fileHeating & cooling: Remove Existing 5*-Ton And 7.5 Ton A/C Systems And Install (3) New Mitsubishi Electric P-Series 3.5 Ton Ducted Heat Pump Systems At Caltech Yellow House (U.S. Geological Survey Server/ Computer Room) . Scope Includes Replacement And Conduit/Wiring (To Be Screened)
  • 2024
    permit on fileElectrical: Repairing Disconnect Switch Within Main Panel
  • 2019
    permit on fileGeneral remodel: Convert Room At 104 Square Feet To Two Rooms; Install New Partician Wall And Door
  • 2014
    permit on fileElectrical: Install Electric Circuit To Condensor And Indoor Fau-Coil
  • 2014
    permit on fileHeating & cooling: Install Back Up Cooling System For Camputer Room
  • 2009
    permit on file, unconfirmedGeneral remodel: Historic Building Diagram
  • 2001
    permit on file, unconfirmedPlumbing: Install Plumbing Fixtures For Tenant Improvement
  • 2001
    permit on fileHeating & cooling: Install Mechanical Fixtures For Tenant Improvement
  • 2001
    permit on fileElectrical: Install Electrical Fixtures For Remodel
  • 2001
    permit on fileGeneral remodel: Add 1,714 Sq. Ft (2 Story) To Exist. Office Space And Tenant Improvement
  • 1998
    permit on fileGeneral remodel: Demo + Replace Fireplace Per U.B.C. - Subject To Field Inspection (No Plans)
  • 1997
    permit on fileElectrical: Connect New A/C Unit To Power 500 -210V
  • 1991
    permit on fileGeneral remodel: Bu - Foundation Anchorage Retrofit

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