310 South Mountain Avenue, Monrovia, CA 91016
310 South Mountain Avenue, Monrovia, CA 91016
Property Description
Private Estate-Style Living in One of Monrovia's Most Desirable Neighborhoods Nestled along Monrovia's prestigious historic corridor just minutes from Old Town, this expansive single-story property offers a rare combination of privacy, space, and future potential. Situated on an oversized 19,329 sq. ft. lot, this 4-bedroom 2-bath home delivers over 2,200 sq. ft. of versatile living space designed for both everyday comfort and entertainment. Enjoy multiple gathering areas, three fireplaces, an entertainer's lounge with built-in bar, and seamless indoor-outdoor living across several private patio spaces. Behind gated entry, the circular driveway, RV accommodations, solar system, EV charger, and extraordinary 4-car garage create a property unlike anything currently available in Monrovia. The spacious lot presents exceptional opportunities for an ADU, pool, guest house, workshop, or future expansion. Located near Old Town Monrovia, hiking trails, shops, dining, and schools, this property combines character, functionality, and long-term value in one of the San Gabriel Valley's most sought-after communities.
Features & Amenities
Property Details
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Comparative Market Analysis
Luxury Tier · 5 active · 5 closed
Monrovia · Single Family Residence
Listed in line with the median closed sale of $1,650,000. Price per sqft ($730) is a 60% discount to closed comps ($1,844). Closed comps sold at 273% of list — strong seller's market. Luxury tier — fewer comparable sales widen the confidence range.
Price Position
Aligned with the market — fair pricing for the comps.
Active Properties (5)
Active Comparables
| Address | City | Year | BD | BTH | SqFt | LotSz | LP/SqFt | LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 132 Sunset | Monrovia | 1939 | 3 | 3 | 2,086 | 15,008 | $935 | $1.95M | 27 | 87 |
| 206 Fig | Monrovia | 1962 | 4 | 4 | 2,378 | 9,120 | $378 | $899,998 | 80 | 80 |
| 1062 Norumbega | Monrovia | 1965 | 3 | 2 | 1,764 | 15,953 | $622 | $1.10M | 72 | 77 |
| 16 Hidden Valley Road | Monrovia | 1974 | 3 | 3 | 2,795 | 23,068 | $572 | $1.60M | 5 | 73 |
| 136 Garfield Place | Monrovia | 1996 | 4 | 3 | 2,631 | 11,040 | $798 | $2.10M | 66 | 72 |
| Total: 5 · Average | 3.4 | 3.0 | 2,330.8 | 14,837.8 | $661 | $1.53M | 50 | |||
| Median | 2,378 | $1.60M | ||||||||
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 888 Oakglade | Monrovia | 2026 | 06/16/2026 | 3 | 4 | 2,582 | 16,904 | $2.18M | $2.10M | $813 | 0.96 | 57 | 74 |
| 333 Mayflower | Monrovia | 1921 | 08/27/2026 | 3 | 3 | 1,952 | 31,767 | $1.60M | $1.65M | $845 | 1.03 | 43 | 74 |
| 603 Parkrose | Monrovia | 1962 | 09/09/2026 | 3 | 2 | 2,121 | 6,536 | $1.42M | $13.55M | $6,388 | 9.54 | 60 | 71 |
| 321 Mountain Avenue | Monrovia | 1965 | 09/30/2026 | 4 | 3 | 2,448 | 6,399 | $1.40M | $1.42M | $580 | 1.01 | 47 | 70 |
| 619 Palm | Monrovia | 1998 | 07/22/2026 | 4 | 3 | 2,416 | 7,568 | $1.30M | $1.43M | $592 | 1.10 | 54 | 69 |
| Total: 5 · Average | 3.4 | 3.0 | 2,303.8 | 13,834.8 | $4.03M | $4.03M | $1,843.6 | — | 52.2 | ||||
| Median | 2,416 | $1.65M | $1.65M | ||||||||||
Market Analysis
List vs Sale $/SqFt
Sale Price Trend
Days on Market
Sale vs List Price
This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.