142 30th Avenue, San Mateo, California 94403, San Mateo, 94403 - 3 bed, 3 bath
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San Mateo, California 94403
This Modernized Single-Story Residence with ADU is listed at $2,795,000—positioned well below the $2,802,785 Fair Market Value by 0.3%. This valuation provides $7,785 in Instant Equity for the incoming buyer. Boasting a Condition Rating of 2, the home features a Gourmet Kitchen with designer finishes and a Spa-Inspired Primary Suite. The versatile ~500 sq ft ADU and expansive 8,985 sq ft lot offer rare flexibility for rental income or a private home office. This turnkey sanctuary is an ideal acquisition for Owner-Occupants or Multi-Generational Families.
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 142 30th Avenue Subject | $2,795,000* List Price | 3 | 3 | 2,240 | $1,251 | - |
A 240 Briar Lane Sold | $2,510,000 | 3 | 2 | 1,579 | $1,590 | 0.3 mi |
B 347 Rolling Hills Avenue Sold | $2,450,000 | 3 | 3 | 2,100 | $1,167 | 0.8 mi |
C 417 36th Avenue Sold | $2,450,000 | 3 | 3 | 2,300 | $1,065 | 0.6 mi |
D 330 30th Avenue Sold | $3,000,000 | 4 | 4 | 2,480 | $1,210 | 0.2 mi |
E 472 Gymkhana Road Sold | $2,345,000 | 3 | 2 | 1,840 | $1,274 | 1.0 mi |
F 311 W Hillsdale Boulevard Pending | $2,549,000 List Price | 3 | 3 | 2,174 | $1,172 | 0.4 mi |
* Subject property listed price vs sold prices of comps.
Property is new construction or fully renovated.
The property has undergone a comprehensive, high-end renovation within the last 5 years, featuring a gourmet kitchen with professional-grade stainless appliances, stone countertops, and designer finishes. The bathrooms are fully remodeled with modern tile and stone, and the home includes updated wide-plank flooring, recessed lighting, and a newer ~500 sq ft ADU, meeting the criteria for mint condition with no immediate maintenance required.
The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 8985, living area = 2240.
The property includes a ~500 sq ft accessory dwelling unit, providing excellent flexibility for rental income, a private home office, or multi-generational living in a high-demand area.
Situated on a nearly 9,000 sq ft lot, the home offers rare privacy and significant outdoor space, featuring a seamless indoor-outdoor flow from the gourmet kitchen to the backyard deck.
While the local high schools are highly rated, the assigned elementary and middle schools have lower ratings (4/10), which may be a drawback for education-focused families.
Built in 1942, the property commands a high price point of nearly $2.8M, which may lead to buyer concerns regarding the underlying infrastructure of an older home despite the cosmetic updates.
This beautifully updated single-story residence (with ADU) showcases designer finishes and thoughtful upgrades throughout. Ideally located on a quiet, low-traffic street in San Mateo, the home offers convenient access to Caltrain, public transit, and the shopping and dining at Hillsdale Mall. The well-designed floor plan features multiple inviting living spaces, including a formal living room, a separate family room, an elegant dining area, and a bright eat-in kitchenperfect for both everyday living and entertaining. The gourmet kitchen is a true centerpiece, appointed with stainless steel appliances, stone countertops, a spacious island, and a cozy fireplace, with seamless access to the deck and backyard for indoor-outdoor living. Three generously sized bedrooms include a luxurious primary suite retreat, complete with a spa-inspired bathroom featuring an oversized walk-in shower, soaking tub, and a large walk-in closet. Additional highlights include tastefully remodeled bathrooms with modern tile and stone finishes, along with a versatile ~500 sq ft ADUideal for guests, a home office, or rental income. All of this is set on an expansive 8,985 sq ft lot, offering space, privacy, and endless possibilities.
No exterior & parking available.
Grades K-5 • 0.2 mi
Grades K-5 • 0.5 mi
Grades K-5 • 0.6 mi
No sensitive facilities data found.
| Feature | Subject | Average Home | Neighborhood Ranking (50 Listings) |
|---|---|---|---|
| Beds | 3.0 | 3.0 | 50% |
| Baths | 3.0 | 2.0 | 72% |
| Square foot | 2,240 | 1,660 | 86% |
| Lot Size | 8,985 | 5,724.5 | 90% |
| Price | $2.79M | $2.21M | 94% |
| Price per sq ft | $1.2K | $1.2K | 60% |
| Built year | 1942 | 1954 | 12% |
| HOA | $0 | $0 | 50% |
| Days on market | 6 | 134 | 2% |
Apr 16, 2026
$2,795,000
Initial Listing
Jan 4, 2010
$1,400,000
Public Record
Nov 1, 2002
$509,500
Public Record