5525 Costello Avenue, Los Angeles, CA 91401
Single-family home · 2 recorded sales since 2025
Sold August 2026
Listing Agent: Mario Bahramjian (DRE #01843931) · Listing Office: Archetype Real Estate Group In · Contact: 818-381-6857 · Bought with: Sean Seckar · Redfin Corporation · MLS #GD26153762 · Source: CRMLS
How this sale compares
5525 Costello Avenue sold for $1,295,000 in August 2026, at its full list price, after 4 days on the market. That works out to $613 per square foot on 2,112 square feet. Across 109 closed sales in 91401 over the last 12 months, the median sold price is $1,200,000 and the median is $680 per square foot, 11% above this sale's $613. 4-bedroom rentals in 91401 currently list at a median of $7,250 a month (17 listings).
| Quarter | Closed sales in 91401 | Median sold price |
|---|---|---|
| Q1 2026 | 11 | $918,000 |
| Q2 2026 | 51 | $1,220,000 |
| Q3 2026 | 45 | $1,200,000 |
| Q4 2026 | 2 | $806,250 |
Figures are MLS-reported closed sales (CRMLS); ZIP medians cover the last 12 months. Nalren does not estimate values. Recently sold in Los Angeles · Homes for sale in 91401
Description
Welcome to 5525 Costello Avenue, nestled in the highly desirable Chandler Estates area of Sherman Oaks. This updated residence offers the rare opportunity to own a home with a detached, permitted 1-bedroom, 1-bath ADU with its own address (5527 N Costello Ave). Set on a spacious lot in one of Sherman Oaks’ most coveted neighborhoods, this home offers the perfect blend of comfort, versatility, and California living. The private backyard is designed for year-round enjoyment, featuring a sparkling pool, expansive patio space, and the perfect setting for entertaining and relaxing. The detached ADU provides exceptional flexibility for multigenerational living, guest accommodations, a private home office, or rental income potential. Conveniently located just minutes from Ventura Boulevard’s premier dining, shopping, entertainment, parks, and top-rated schools, with easy access to major freeways.
Listing description from the August 2026 sale, as reported to CRMLS.
Sale history
Recent sales near 5525 Costello Avenue
5448 Murietta Avenue: Sold $1,185,000 · 2 bd · 1 ba · 1,080 sqft · Jun 2026 · 0.1 mi
Berkshire Hathaway HomeServices California Properties | DRE #00965903
Buyer's agent: Natalie Erster, Keller Williams Realty-Studio City | DRE #0200238513949 Cumpston Street: Sold $2,230,000 · 3 bd · 4 ba · 2,516 sqft · Aug 2026 · 0.1 mi
Equity Union | DRE #01850113
Buyer's agent: Raisa Lobo, Compass | DRE #019294735620 Murietta Avenue: Sold $945,000 · 2 bd · 1 ba · 1,199 sqft · Aug 2026 · 0.1 mi
Equity Union | DRE #01237771
Buyer's agent: Barrington Malcolm, Equity Union | DRE #0202937713855 Cumpston Street: Sold $2,450,000 · 4 bd · 3 ba · 2,700 sqft · Jun 2026 · 0.2 mi
Compass | DRE #01924003
Buyer's agent: Tara Rose, Compass | DRE #0176516213946 Chandler: Sold $2,400,000 · 5 bd · 5 ba · 2,801 sqft · Jul 2026 · 0.2 mi
BESTARTING GROUP CORP | DRE #01971956
Buyer's agent: Zhenchen Wan, BESTARTING GROUP CORP | DRE #0197195613853 Chandler: Sold $3,300,000 · 4 bd · 6 ba · 3,547 sqft · Sep 2026 · 0.2 mi
The Agency | DRE #01986103
Buyer's agent: Daniel Barazani, Coldwell Banker Realty | DRE #0196698813943 Margate: Sold $2,285,000 · 4 bd · 3 ba · 2,316 sqft · Aug 2026 · 0.2 mi
Compass | DRE #02017322
Buyer's agent: Alan Taylor, Compass | DRE #0136925514205 Burbank Boulevard: Sold $1,620,000 · Sep 2026 · 0.3 mi
Equity Union | DRE #00885625
Buyer's agent: Anwar Caram, California Prudential Real Est | DRE #01501659
Closed sales reported in 91401, nearest first, last 12 months. All recent sales in Los Angeles →