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400 Prospect AvenueMonrovia, CA 91016

For Sale

$2,050,000

Smart Buyer Rebate $20,500

Rare North Monrovia offering: a 1946 two-story home with two full residences plus a permitted junior ADU, 4,208 sq ft of living space on a 10,451 sq ft corner lot at Prospect Ave and Hill St. The 2,338 sq ft upper residence features three bedrooms, two baths, a spacious family room, and an ante room at its center. The 1,870 sq ft lower residence offers a bedroom, full bath, family room, kitchen with island, dedicated laundry room, and a large storage room. The 455 sq ft junior ADU on the lower level has its own private entrance, kitchen, den, bedroom, and three-quarter bath — ideal for extended stays or rental income. Central heat and air throughout. Outside, the property offers a detached two-car garage, carport, covered patio, and mature landscaping with a fountain. Live in one residence and rent the others, house multiple generations under one roof, or hold as an income property in one of Monrovia's most established neighborhoods, minutes from Old Town and the foothills.

Listed by Shumei Kam

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License #00798181

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High Ten Partners, Inc.

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626-202-6446

Last updated July 24, 2026

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Source: CRMLS #AR26161408

Listing Facts

  • TypeMulti-family
  • NeighborhoodUpper San Gabriel Valley
  • Bedrooms6
  • Bathrooms4
  • Days on Prevu9
  • Size4,208 sqft
  • Price per sqft$487

Amenities

  • Private Outdoor Space
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

07/23/2026
Listed by High Ten Partners, Inc.
$2,050,000

Property Details for 400 Prospect Avenue

Association

Amenities

  • Community Features: Curbs, Suburban, Sidewalks

Exterior

Construction

  • Number Of Units Total: 2
  • Stories: 2
  • Stories Total: 2
  • Structure Type: Duplex
  • Year Built: 1946
  • Architectural Style: Traditional
  • Common Walls: No Common Walls
  • Entry Level: 1
  • Entry Location: Front

Features

  • Patio And Porch Features: Covered, Patio
  • View: Neighborhood

Measurements

  • Lot Features: Back Yard, Corner Lot, Front Yard, Landscaped
  • Lot Size Acres: 0.23
  • Lot Size Area: 10,451
  • Lot Size Dimensions: 12,583
  • Lot Size Source: Assessor
  • Lot Size Square Feet: 10,451
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 8518020043

Interior

Features

  • Interior Features: Eat-in Kitchen, In-Law Floorplan, Storage

Measurements

  • Living Area: 4,208
  • Living Area Source: Assessor
  • Living Area Units: Square Feet

Rooms

  • Bathrooms Full: 4
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 6
  • Main Level Bathrooms: 2
  • Main Level Bedrooms: 2

Other

Location

  • Tax Block: 22
  • Tax Lot: D

Parking

Parking

  • Carport Spaces: 1
  • Carport: Yes
  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Detached Carport, Driveway, Garage
  • Parking Total: 3

Schools

High School

  • High School District: Monrovia Unified

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Heating: Central
  • Has Heating: Yes
  • Laundry Features: Inside, Laundry Room
  • Sewer: Public Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this multi-family home have?

There are 6 bedrooms and 4 bathrooms in this multi-family home at 400 Prospect Avenue.

Does this multi-family home have parking?

Yes, there are 2 parking spaces available for 400 Prospect Avenue.

How does 400 Prospect Avenue compare to other multi-family homes in Upper San Gabriel Valley?

This multi-family home is listed 50% above the average price for multi-family homes in Upper San Gabriel Valley and has been on the market for 70 less days than the typical home in this area.

What is the square footage on this multi-family home?

According to the MLS, this listing is 4,208 sqft.

400 Prospect Avenue is a 6-bedroom, 4-bath multi-family home for sale in Monrovia CA 91016. Available on Prevu for 9 days at $2,050,000. This home features 4,208 square feet of living space, located in Upper San Gabriel Valley. The median listing price for multi-family homes in this area is $1,190,000. Property amenities include private outdoor space, air conditioning, parking, and swimming pool. Browse more multi-family home listings in Los Angeles County.

Based on information from California Regional Multiple Listing Service, Inc. and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.