About 223 S Humboldt Street
Charming and move-in ready single-family home in the heart of San Mateo! This beautifully updated 4-bedroom, 2-bath residence features a remodeled main kitchen and bathrooms, a spacious living area with a wood-burning fireplace, and abundant natural light throughout. An additional kitchen in the back offers flexible use, ideal for in-law quarters or a separate living space. The extra-large lot with R3 zoning provides tremendous upside potential to add an ADU or explore multi-unit development options. Ample driveway parking accommodates multiple cars. Conveniently located less than half a mile to the Caltrain station, and just minutes from vibrant Downtown San Mateo, major employers like Snowflake, SurveyMonkey, Roblox, and Gilead, with easy access to Hwy 101 and 92. Perfectly situated between San Francisco and Silicon Valley and only 10 minutes to SFO. A rare opportunity to enjoy comfort today with incredible future potential!
Features of 223 S Humboldt Street
| MLS® # | ML82025448 |
|---|---|
| Price | $1,598,000 |
| Bedrooms | 4 |
| Bathrooms | 2.00 |
| Full Baths | 2 |
| Square Footage | 1,510 |
| Acres | 0.18 |
| Year Built | 1946 |
| Type | Residential |
| Sub-Type | Single Family Residence |
| Status | Active |
Community Information
| Address | 223 S Humboldt Street |
|---|---|
| City | San Mateo |
| County | San Mateo |
| State | CA |
| Zip Code | 94401 |
Amenities
| Parking | Attached, Covered, Tandem |
|---|---|
| # of Garages | 1 |
| Is Waterfront | No |
| Has Pool | No |
Interior
| Interior Features | Family Room |
|---|---|
| Appliances | Microwave |
| Heating | Forced Air |
| Cooling | None |
| Fireplace | No |
| # of Fireplaces | 1 |
| Fireplaces | Living Room, Wood Burning |
| # of Stories | 1 |
| Stories | One Story |
Exterior
| Lot Description | Rectangular Lot |
|---|---|
| Roof | Shingle |
School Information
| District | San Mateo Union High |
|---|
Additional Information
| Date Listed | October 21st, 2025 |
|---|---|
| Zoning | RM00 |
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Agent | Mandana Simai |
|---|---|
| Office | Christie's International Real Estate Sereno |