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NEXT Open House + more
Feb 28, 2026 01:00 PM - 04:00 PM PST

503 E Mendocino
604 - Altadena Altadena 91001

$1,899,000
Residential beds: 5 baths: 4.0 3,046 sq. ft. built: 1919

Main House to left, ADU & Garage to right. Part of driveway digitally altered
Photo 1: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 2: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 3: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 4: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 5: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
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Photo 21: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 22: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 23: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 24: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 25: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 26: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 27: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
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Photo 30: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 31: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
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Photo 34: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
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Photo 41: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 42: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 43: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
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Photo 46: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
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Photo 50: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 51: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 52: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 53: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 54: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 55: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 56: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 57: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 58: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 59: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 60: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 61: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 62: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
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Photo 65: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
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Photo 67: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Photo 68: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
Open House - Feb 28, 2026
01:00 PM - 04:00 PM PST
NOTES: Open House on Saturday, February 28, 2026 1:00PM - 4:00PM
Open House - Mar 01, 2026
02:00 PM - 04:00 PM PST
NOTES: Open House on Sunday, March 1, 2026 2:00PM - 4:00PM
Status:
Active
Prop. Type:
Residential
MLS® Num:
AR26035892
Bedrooms:
5
Bathrooms:
4
Year Built:
1919
Just moments from iconic Christmas Tree Lane, beyond private automatic gates and a sweeping circular drive, this updated Mid-Century Ranch reveals itself as a rare Altadena compound: serene, refined, and thoughtfully reimagined for modern living. Set on an expansive lot, this property offers two impeccably renovated residences that feel established yet sophisticated, completed with uncompromising attention to detail. The main home features 3 bedrooms and 2 baths, centered around a beautiful open kitchen designed for both daily living and elegant entertaining. Light pours through the interiors, accentuating clean lines, curated materials, and a seamless indoor outdoor flow. Every upgrade has been executed with intention, delivering a level of polish rarely found in homes of this era. A detached 2 bedroom, 2 bath ADU/guest house provides exceptional versatility, ideal for multi-generational living, extended stays, executive-level home office, or private retreat space. Between the two residences, a tranquil courtyard is anchored by a built-in bbq and intimate jetted pool creating a boutique resort ambiance perfect for quiet evenings or curated gatherings. Centrally located in one of the community’s most cherished pockets, this estate feels remarkably secluded offering rare space and discretion in Southern California. In a neighborhood defined by resilience and renewal, this offering represents not only continuity, but the opportunity to step right into a home that has already been thoughtfully elevated. A distinguished Altadena compound designed for those who value privacy, presence, and enduring quality.
Total Floor Area:
3,046 sq. ft.
Structure Type:
House
Home Style:
Ranch
Property Sub Type:
Single Family Residence
Property Attached:
No
Lot Area:
16,831 sq. ft.
Bedrooms:
5 (Main level: 3)
# Main Level Bathrooms:
2
# Main Level Bedrooms:
3
Full Bathrooms:
4
Bathrooms:
4.0 (Full:4, Half:-)
Year built:
1919 (Age: 107)
General Listing Location:
Altadena, 604 - Altadena
County Or Parish:
Los Angeles
Common Interest:
None
Association Fee:
$0
Land Lease:
No
Tax Lot:
12
Tax Block:
14
West of Santa Rosa (Christmas Tree Lane), South of Altadena Drive
High School:
John Muir
High School District:
Pasadena Unified
Floor
Type
Size
Other
-
Kitchen
Measurements not available
-
-
Primary Bedroom
Measurements not available
Main Level Primary
-
Kitchen
Measurements not available
KitchenFamilyRoomCombo,StoneCounters,Remodeled,UpdatedKitchen
-
Family Room
Measurements not available
-
-
Living Room
Measurements not available
-
-
Other
Measurements not available
Walk-In Closet(s)
-
Primary Bedroom
Measurements not available
Primary Suite
-
Primary Bedroom
Measurements not available
-
-
Bedroom
Measurements not available
Bedroom on Main Level
View:
Mountain(s)
Appliances:
Dishwasher, Gas Cooktop, Gas Oven, Refrigerator, Range Hood
Other Structures:
Guest House Detached, Guest House, Two On A Lot
Lease Considered:
No
Community Features:
Curbs, Foothills, Suburban
Senior Community:
No
Interior Features:
Beamed Ceilings, Open Floorplan, Quartz Counters, Stone Counters, Bedroom on Main Level, Main Level Primary, Primary Suite, Walk-In Closet(s)
Exterior Features:
Barbecue, Rain Gutters
Laundry Features:
Electric Dryer Hookup, Gas Dryer Hookup, Inside, Laundry Closet
Pool Features:
Heated, In Ground, Private
Private Pool:
Yes
Spa Features:
None
Lot Features:
Front Yard, Lawn, Landscaped, Paved, Rectangular Lot, Secluded
Fireplace Features:
Living Room
Patio And Porch Features:
Covered, Deck, Front Porch, Patio, Porch, Rooftop, Stone, Wood
Security Features:
Carbon Monoxide Detector(s), Security Gate, Smoke Detector(s)
Direction Faces:
West
Levels:
One, Multi/Split
Num Stories:
2
Entry Level:
1
Entry Location:
Steps up from Driveway
Construction Materials:
Stucco, Wood Siding
New Constr.:
No
Flooring:
Tile, Wood
Roof:
Composition
Common Walls:
No Common Walls
# Units:
2
Property Condition:
Updated/Remodeled, Turnkey
Heating:
Ductless
Fireplace:
Yes
Cooling:
Ductless
Utilities:
Electricity Connected, Natural Gas Available, Sewer Connected, Water Connected
Water supply:
Public
Sewer:
Public Sewer
Spa:
No
Road Frontage Type:
Private Road
Road Surface Type:
Paved
Attached Garage:
Yes
Garage Spaces:
2
Uncovered Spaces:
6
Total Parking Spaces:
8
Parking Features:
Circular Driveway, Driveway, Electric Gate, Garage, Gated, Paved, Pull-through
Special Listing Conditions:
Standard
Parcel Number:
5840009025
  • Photo 1: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    Main House to left, ADU & Garage to right. Part of driveway digitally altered
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  • Photo 4: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    Main House to left, ADU & Garage to right. Part of driveway digitally altered
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  • Photo 6: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    Patio, ADU & Garage. Driveway digitally altered.
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  • Photo 28: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    Primary Suite
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    Primary Suite
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    Primary Suite
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    Primary Bath
  • Photo 32: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    Bedroom 2
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    Bedroom 2
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    Bedroom 2
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    Main Bath
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    Main Bath
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    Bedroom 3
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  • Photo 41: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    ADU Upstairs Entrance
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    ADU Upstairs
  • Photo 43: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    ADU Kitchen
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    ADU Kitchen
  • Photo 45: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    ADU Upstairs Bedroom
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    ADU Upstairs Bath
  • Photo 47: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    ADU Downstairs
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    ADU Downstairs
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    ADU Downstairs
  • Photo 50: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    ADU Dining Room
  • Photo 51: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    ADU Downstairs
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    ADU Downstairs Bedroom
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    ADU Downstairs Bath
  • Photo 54: 503 E Mendocino in Altadena: Residential for sale (604 - Altadena)  : MLS®# AR26035892
    Rooftop Deck
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Listed by Seven Gables Real Estate
Data was last updated February 28, 2026 at 12:40 AM (UTC)