Home | San Mateo County | San Mateo | 94401 | 117 N Delaware St
117 N Delaware St, San Mateo, CA 94401
MLS: ML82043896 | Status: Active | Price: $1,880,000
Beds/Baths: – / –
Property Type: Residential Income
Quick Facts
| Beds |
Baths |
Sq Ft |
Sq Ft Lot |
Yr Built |
| – |
– |
4,165 |
5,750 |
1990 |
A high-quality Peninsula duplex with stable income, minimal expense drag, and clearly defined long-term upside.117 N. Delaware Street presents a rare opportunity to acquire a well-located duplex in the heart of San Mateo. The property consists of two large units, each configured as 3 bedrooms and 2.5 bathrooms with garage parking offering strong fundamentals for both owner-occupiers and long-term investors. With tenants in place for over 20 years, the asset provides stable in-place income and a clear path for predictable rent growth under California rent control guidelines. The property currently generates $7,610 per month ($91,320 annually), with a highly efficient expense. Market rents for comparable units are estimated at approximately $4,500+ per month, indicating meaningful long-term upside. At market levels, the property would generate approximately $108,000. Generous layouts, strong rental demand and a desirable unit mix support long-term growth and income optimization. Don't miss this rare opportunity whether as an investment or a property you could occupy!
| Field |
Value |
| MLS # |
ML82043896 |
| MLS Source |
MLSListings, Inc. |
| Days on Site |
1 |
Features
Interior Features
| Feature |
Details |
| Flooring |
Carpet, Tile, Vinyl/Linoleum |
| Cooling |
None |
| Heating |
Central Forced Air |
Exterior Features
| Feature |
Details |
| Roof |
Shingle |
| Foundation |
Concrete Perimeter |
| Feature |
Details |
| Garage/Parking |
Attached Garage, Carport, On Street, Garage: 4 Car(s) |
| Elementary District |
San Mateo-Foster City Elementary |
| High School District |
San Mateo Union High |
| Sewer |
Public Sewer |
| Water |
Public |
| Zoning |
RM0004 |
| Listing Agent |
Co-Listing Agent |
| Tim Gilmartin |
Kathryn Gerhardt |
| Gilmartin Group |
Gilmartin Group |
| License #: 00841354 |
License #: 01958832 |
| Phone: (650) 348-2020 |
Phone: (650) 773-3595 |
Property Units
| # Buildings |
# Leased Units |
# Total Units |
| 1 |
2 |
2 |
Unit Details
| Unit # |
Sq Ft |
Beds |
Baths |
Rent |
| 1 |
– |
3 |
2/1 |
$3,760 |
| 2 |
– |
3 |
2/1 |
$3,850 |
Nearby Homes
| Address |
Price |
Beds |
Baths |
Sq Ft |
Status |
| 869 Woodside Way |
$1,599,000 |
– |
– |
2,317 |
Active |
| 119 E Poplar Ave |
$1,698,000 |
– |
– |
2,490 |
PendingDoNotShow |
| 728 Laurel Ave |
$1,995,000 |
– |
– |
2,096 |
PendingDoNotShow |
| 1028 S Idaho St |
$1,599,000 |
– |
– |
2,097 |
Contingent |
Disclosures
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This listing information is up-to-date as of April 22, 2026. For the most current information, please contact Tim Gilmartin, (650) 348-2020.