507 Monte Diablo Ave

• Sat Aug 15, 1:00 pm - 4:00 pm

  OH 1-4PM

• Sun Aug 16, 1:00 pm - 4:00 pm

  OH 1-4PM

Welcome to 507 Monte Diablo Ave, a beautifully reimagined San Mateo home where timeless charm meets modern living. This stunning 3-bedroom, 2-bath residence has been extensively remodeled from top to bottom with thoughtful upgrades throughout. Step inside to a bright, inviting interior featuring a brand-new kitchen with stylish cabinetry and countertops, beautifully remodeled bathrooms, recessed lighting, new interior doors, fresh interior and exterior paint, and new dual-pane windows. Major improvements include all-new plumbing and electrical, a brand-new HVAC system with air conditioning, new exterior stucco, and sewer lateral compliance—offering buyers the benefit of substantial updates already completed. Outside, enjoy a newly installed TREX deck ideal for relaxing or entertaining, along with a new stamped-concrete driveway that enhances the home’s curb appeal. Situated on a generous lot with excellent ADU potential, the property offers exciting possibilities for future expansion, multigenerational living, a home office, or additional income potential. Buyer to verify ADU feasibility, zoning, permits, and development options with the appropriate local agencies. Conveniently located in San Mateo, this move-in-ready home combines modern finishes, extensive upgrades, indoor-outdoor living, and future upside. Nearly everything has been refreshed—just move in and enjoy

Current Status

New

Original Price

$1,099,000

List Price

$1,099,000

On Market Date

Aug 10, 2026

Property Type

Detached

D/N/S

None

Zip Code

94401

MLS ID

41144465

APN

032214240

Year Built

1907

Stories in Building

1

Possession

Close Of Escrow

Data Source

MAXEBRDI

Origin MLS System

BAY EAST

Bed

3

Bath

2

Parking

0

Off Street, Parking Spaces, On Street

SQ FT

1,170

SQ FT Source

Public Records

Lot SQ FT

4,200.0

Lot Acres

0.1 Acres

Pool Info

None

Kitchen

Dishwasher, Gas Range, Refrigerator, Dryer, Washer, Gas Range/Cooktop

Cooling

Central Air

Disclosures

Disclosure Package Avail

Entry Level

Exterior Details

Back Yard

Flooring

Laminate

Foundation

Fire Place

None

Heating

Central

Laundry

Dryer, Laundry Closet, Washer, Stacked Only

Main Level

1 Bedroom, 2 Bedrooms, 3 Bedrooms, 2 Baths

Possession

Close Of Escrow

Architectural Style

Contemporary

Construction Status

Existing

Additional Miscellaneous Features

Back Yard

Location

Front Yard

Roof

Composition Shingles

Water and Sewer

Public

Fee

Unavailable

MLS and other Information regarding properties for sale as shown in Theo have been obtained from various sources such as sellers, public records, agents and other third parties. This information may relate to the condition of the property, permitted or unpermitted uses, zoning, square footage, lot size/acreage or other matters affecting value or desirability. Unless otherwise indicated in writing, neither brokers, agents nor Theo have verified, or will verify, such information. If any such information is important to buyer in determining whether to buy, the price to pay or intended use of the property, buyer is urged to conduct their own investigation with qualified professionals, satisfy themselves with respect to that information, and to rely solely on the results of that investigation.

School data provided by GreatSchools. School service boundaries are intended to be used as reference only. To verify enrollment eligibility for a property, contact the school directly.