1 / 28

$1,099,000

507 Monte Diablo Ave, San Mateo CA 94401

San Mateo, CA 94401

Get Directions
3 beds2 baths1,170 sqft$939/sqft0 garage7 days on market

About This Home

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

Facts & Features

Property Type

Detached

Status

active

Bedrooms

3

Bathrooms

2 full · 0 partial

Interior

1,170 sqft

Building Sqft

1,170 sqft

Lot Size

4,200 sqft

$/sqft

$939

Stories

1

Garage Spaces

0

Year Built

1907

Days on Market

7 days

Listed

Aug 10, 2026

MLS #

41144465

See school ratings ↗
Henry David Catalan, Real Estate Broker and Associates · Henry David Catalan, Broker · California DRE #01711990