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421 Mariposa Avenue Sierra Madre, CA 91024
$2,395,000 6 beds, 5 baths
2, 886 sqft
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Photo of Jimmy Harmantzis

Jimmy Harmantzis REALTOR® - Broker Associate 949-212-2023 m
949-212-2023 o
Lic#: 01234982
NRDS ID: 641526390
JimmyHarmantzis@bhhscal.com
Text Me
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Lic#: 01234982
NRDS ID: 641526390
JimmyHarmantzis@bhhscal.com
Mission Viejo Office
23120 Alicia Parkway, Suite 100
Mission Viejo, CA 92692
Phone: 949-768-1000
Fax: 949-587-0915
Mission Viejo 23120 Alicia Parkway, Suite 100
Mission Viejo, CA 92692
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Agent Remarks

2 Homes on one Lot! A stunning modern retreat in the heart of Sierra Madre with a completely reimagined front house and a newly built ADU. The main residence boasts 4-bedrooms, 3-bathrooms across 2,015 SqFt. ADU with 2-bedrooms, 2-bathrooms with 871 SqFt. The expansive living room, complete with a cozy fireplace, is filled with natural light, creating a welcoming atmosphere. The gourmet chef’s kitchen is a true highlight, featuring a large center island, stainless-steel appliances, luxurious Carrera marble countertops, and custom cabinetry—perfect for both everyday living and entertaining. The primary suite offers a private retreat, featuring a generously sized layout with fireplace and custom-built walk-in closet, a spa-inspired en-suite bathroom with a glass-enclosed shower for the ultimate in luxury and convenience. Across the primary is a large bedroom with a private deck and built-in closet. As you explore the outside, an entertainer’s paradise awaits. Beneath a stylish pergola, a custom-built outdoor kitchen island with granite countertops features a 32-inch BBQ grill, fridge, double side burner, sink, and bar seating. This outdoor space is designed for enjoying al fresco dining, while the built-in fire-pit offers warmth and ambiance, creating the perfect setting to relax and unwind under the stars. Adding even more value, a separate, newly built ADU providing incredible flexibility—perfect for multi-generational living, rental income, or a private guest suite. With its own kitchen, modern finishes, and dedicated living space, the ADU offers endless possibilities. Additional highlights for both residences include brand new roof, new electric panels, new 4-ton and 3-ton AC’s, washer/dryer, fire sprinklers, top-quality windows & sliding doors from Andersen, newly stamped concrete driveway and so much more!

Listing Details

Property type: Single Family Residence (Single Family)
Status: Active
MLS# GD25037332
List price is $2,395,000 Reduced by $100,000 on 5/8/2025
HOA Fee is $0.00
Beds: 6
Baths: 5 (5 full)
Living Room,Primary Bedroom fireplaces
Built in 1924
2,886 sqft
1 story
0.18 acres
Lot size: 0.1835
County: Los Angeles
Property style: Contemporary
Zoning: SRR3*
Interior features: Breakfast Bar,Built-in Features,Balcony,Separate/Formal Dining Room,Open Floorplan,Quartz Counters,Recessed Lighting,Storage,Bar,Walk-In Closet(s)
Exterior features: Fire Pit
Appliances: Dishwasher,Gas Oven,Gas Range,Refrigerator
Parking description: Driveway
Lot description: ZeroToOneUnitAcre
Heating/cooling: Central Air
Heating description: Central
MLS area: 656 - Sierra Madre

Last Updated: 6/9/2025

 Find more Sierra Madre homes and real estate

 Find more homes in 91024 zip code

This listing belongs to the 656 - Sierra Madre MLS area

The style of this listing is Contemporary.
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Lat/Long: 34.160864, -118.061501.
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Listing Agent: Marine Janikyan
Co Listing Agent: George Georgiev
Lic#: 01234982
Office Name: Mission Viejo

Area Map

Nearby Schools

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Area Overview

Total population of , which has changed by % since 1990.
The median age of the population is , while the median age of dwellings is .
Out of households, are families.

Community Characteristics:

Occupancy Type

White/Blue Collar Jobs

Population by Gender

Hispanic/Non-Hispanic Population

Compared to National:

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Photo of Jimmy Harmantzis

Jimmy Harmantzis REALTOR® - Broker Associate 949-212-2023 m
949-212-2023 o
Lic#: 01234982
NRDS ID: 641526390
JimmyHarmantzis@bhhscal.com
Text Me
Call My Cell
Call My Office
Lic#: 01234982
NRDS ID: 641526390
JimmyHarmantzis@bhhscal.com

Mission Viejo Office
23120 Alicia Parkway, Suite 100
Mission Viejo, CA 92692
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© 2025 Berkshire Hathaway HomeServices California Properties (BHHSCP) is a member of the franchise system of BHH Affiliates LLC. BHHS and the BHHS symbol are registered service marks of Columbia Insurance Company, a Berkshire Hathaway affiliate. BHH Affiliates LLC and BHHSCP do not guarantee accuracy of all data including measurements, conditions, and features of property. Information is obtained from various sources and will not be verified by broker or MLS. Buyer is advised to independently verify the accuracy of that information.
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