Recently Listed Open House 8/15 1pm - 4pm
507 Monte Diablo Ave
San Mateo, CA, 94401 $ 1,099,000
Bedrooms3 Baths2.0 Sq 1,170 Monthly Estimate*
$ 6,939
Listed by Re/Max Synergy Group
for $1,099,000 with 3 bedrooms and 2 full baths. This 1,170 square foot home was built in 1907 on a lot size of 0.0964.
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
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Open House
8/15/2026 1:00 PM - 4:00 PM
8/16/2026 1:00 PM - 4:00 PM
507 Monte Diablo Ave San Mateo, CA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm
FeaturesGeneralLiving Area 1170
Cooling Central Air
Possession Close Of Escrow
Roof Shingle
Appliances Dryer Washer
Garage Spaces 0
Patio/Porch Features Deck
Architectural Style Contemporary
Pool Features None
Construction Materials Stucco
Year Built 1907
Stories Count 1
Levels One
Property Subtype Single Family Residence
County San Mateo
New Construction false
Property Type Residential
HOA false
Attached Garage false
Subdivision Name None
Garage Y/N false
Full Baths 2
Status Active
Directions Cross Street: N Claremont st.
City San Mateo
Lot Size Units Square Feet
Lot Size Square Feet 4200
Listing Terms Cash Conventional FHA VA Loan
Standard Status Active
Occupancy Type Vacant
Virtual Tour https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyouriguide.com%2F507_monte_diablo_ave_san_mateo_ca%2F&data=05%7C02%7C%7C8639ad4c8dfd4903215708def7076af1%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C639219808387357819%7CUnknown%7CTWFpbG...
Property Sub Type Additional Single Family Residence
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InteriorFlooring Laminate
Fireplace Features None
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N false
Half Baths 0
Total Bedrooms 3
Total Baths 2
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ExteriorParking Features Off Street One Space
Lot Features Back Yard
Total Parking 2
Lot Size Area 4200
Lot Size Acres 0.0964
Private Pool false
Lot Size Source Public Records
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* Excluded FeaturesList ByRe/Max Synergy GroupBroker
skhudari@outlook.comEmail
Affordability Calculator
- Monthly Principal & Interest
- $6,939
- Monthly Property Taxes
- --
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in San Mateo, CA
Average List Price $2,369,559
Percent of Sale Price 116%
About San Mateo, CA 105,907 Population
14% Since 2002
$ 102,688 Median Income
41.09 Median Age
27% Households with Children
Trends Information provided by ATTOM Data Solutions.
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 8/10/2026 | $1,099,000 | | Listed Price |