621 S Humboldt St, San Mateo, CA 94402 - Photo 1

1/1

$2,250,000

Sold
Closed
Single Family
3 Beds
2 Full Baths
1,890 Sq. Ft.
1 Car Garage

1/1

Property Description

Step into this beautifully updated home that perfectly blends classic charm with modern comfort. Freshly painted inside and out, it features a remodeled kitchen with new cabinetry, quartz countertops, designer backsplash, stainless steel appliances and a spacious island with sink, plus eat-in seating, and a bright skylight. The formal dining room and inviting living room with recessed lighting showcase gleaming hardwood floors and a cozy wood-burning fireplace. Upstairs are two spacious bedrooms with hardwood floors, updated lighting, and a remodeled bathroom with tub-over-shower. The lower level offers flexibility as a primary suite or private in-law unit with a large bedroom, kitchenette, remodeled bath, and walk-in closet. Enjoy the level, fenced backyard with fruit trees, play structure, and storage shed perfect for entertaining or relaxing outdoors. Additional highlights include central air conditioning, new furnace and HVAC, double pane windows and oversized one-car garage with stacked laundry. Located just minutes from downtown San Mateo shops and restaurants with easy access to Highway 101, this home offers an ideal combination of comfort, versatility, and convenience.

Full Property Details

Full Property Details for 621 S Humboldt St

General

Sold For: $2,250,000
Status: Closed
Type: Single Family
Source: RE_Infolink
MLS ID: ML82026869
Added to Site: 71 day(s) ago

Interior

Interior Features: Walk-In Closet, Garden Window, Skylight
Fireplace(s): Living Room
Flooring: Carpet, Hardwood, Tile

Rooms

Bathrooms

Total Bathrooms: 2
Full Bathrooms: 2
Bathroom Features: 1 Shower over Tub, Stall Shower, Tile

Bedrooms

Total Bedrooms: 3
Bedroom Features: Walk-In Closet

Other Rooms

Family Room: Separate Family Room
Kitchen: Electric Cooktop, Countertop - Quartz, Dishwasher, Exhaust Fan, Garbage Disposal, Island, Microwave, Built-In Oven, Double Oven, Refrigerator, Skylight
Laundry: In Garage, Washer / Dryer

Additional Information

Extras: Not Applicable

Parking

Garage Spaces: 1
Parking Features: Attached Garage

Location

Area: 19th Avenue Park / Sunnybrae
County: San Mateo
Cross Streets: 7th Ave

Heating & Cooling

Cooling Type: Central AC
Heating Type: Central Air (Forced Air)

Utilities

Sewer: Sewer Connected
Water: Public
Utility Description: Public Utilities

Structural Information

Construction: Detached
Foundation: Concrete Perimeter
Roof: Composition
Square Feet: 1,890
Year Built: 1929

Lot Features

Lot Size (Acres): 0.1148
Minimum Lot Size: 5000
Lot Size (Sq. Ft.): 5,000
Grounds/Landscape: Back Yard, Balcony / Patio, BBQ Area, Fenced, Storage Shed / Structure
Zoning: RM0000

Listed by Represent Realty, Dana Carmel
Sold by Sanf4, Blakely Hull

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Listing agent

— 621 S Humboldt St —

Dana Carmel

Represent Realty

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Schools

Schools serving 621 S Humboldt St

School Districts:San Mateo Union High School District, San Mateo-Foster City Elementary School District

Name	Grades	Distance
Sunnybrae Elementary School 1031 South Delaware Street, San Mateo, CA 94402	K-5	0.4 mi
Borel Middle School 425 Barneson Avenue, San Mateo, CA 94402	6-8	1.3 mi
Aragon High School 900 Alameda de las Pulgas, San Mateo, CA 94402	9-12	1.5 mi

Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 621 S Humboldt St

Date

Details

Price

Change

Source

12/16/2025

Sold

$2,250,000

12.56%

MLS

11/06/2025

Listed

$1,999,000

—

MLS

Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

1145 California Dr 1145, Burlingame, CA 94010 - Photo 1

Price Reduced

-$188 (-2.81%)

$6,512

1145 California Dr 1145 Burlingame, CA 94010

Commercial Lease
Active
Updated 13 hours ago

2,135
Sq. Ft.

Listed by Endri Hoxha (CalRE#: 02059299) (415) 941-9875

1145 California Dr 1147, Burlingame, CA 94010 - Photo 1

Price Reduced

-$79 (-2.14%)

$3,621

1145 California Dr 1147 Burlingame, CA 94010

Commercial Lease
Active
Updated 13 hours ago

1,420
Sq. Ft.

Listed by Endri Hoxha (CalRE#: 02059299) (415) 941-9875

1517 Cypress Ave, Burlingame, CA 94010 - Photo 1

Just Listed

$2,998,000

Open House

1517 Cypress Ave Burlingame, CA 94010

Single Family
Active
Updated 13 hours ago

3
Beds
2
Total Baths
2,080
Sq. Ft.

Listed by Compass, Sandra Comaroto

605 Concord Way, Burlingame, CA 94010 - Photo 1

Just Listed

$3,788,000

Open House

605 Concord Way Burlingame, CA 94010

Single Family
Active
Updated 1 day ago

3
Beds
4
Total Baths
2,248
Sq. Ft.

Listed by Tuscana Properties, Sandra Jamison

Price Reduced

-$188 (-2.81%)

$6,512

1145 California Dr 1145 Burlingame, CA 94010

Commercial Lease
Active
Updated 13 hours ago

2,135
Sq. Ft.

Listed by Endri Hoxha (CalRE#: 02059299) (415) 941-9875

Price Reduced

-$79 (-2.14%)

$3,621

1145 California Dr 1147 Burlingame, CA 94010

Commercial Lease
Active
Updated 13 hours ago

1,420
Sq. Ft.

Listed by Endri Hoxha (CalRE#: 02059299) (415) 941-9875

1433 Floribunda Ave 7, Burlingame, CA 94010 - Photo 1

1433 Floribunda Ave 7 Burlingame, CA 94010

Condo
Active
Updated 17 hours ago

2
Beds
3
Total Baths
1,235
Sq. Ft.

Listed by Compass, John Sayage

1102 Admiralty Ln, Foster City, CA 94404 - Photo 1

1102 Admiralty Ln Foster City, CA 94404

Condo
Active
Updated 3 days ago

1
Bed
1
Total Bath

Listed by Prestige Realty, Michelle Chiou and Prestige Realty, Russ Engle

706 S Humboldt St, San Mateo, CA 94402 - Photo 1

Sold

$2,025,000

706 S Humboldt St San Mateo, CA 94402

Single Family
Closed

3
Beds
2
Total Baths
1,630
Sq. Ft.

Listed by Compass, Julie Flouty
Sold by Krako, Chad Krakow

712 S Humboldt, San Mateo, CA 94402 - Photo 1

Sold

$2,305,000

712 S Humboldt San Mateo, CA 94402

Single Family
Closed

3
Beds
2
Total Baths
1,870
Sq. Ft.

Listed by Compass, Raziel A. Ungar
Sold by Apr, Insook So

827 S Idaho St, San Mateo, CA 94402 - Photo 1

Sold

$2,460,000

827 S Idaho St San Mateo, CA 94402

Single Family
Closed

4
Beds
4
Total Baths
2,362
Sq. Ft.

Listed by KW Santa Clara Valley Inc, Susie Wang
Sold by Comps, Joe Day

908 S Grant St, San Mateo, CA 94402 - Photo 1

Sold

$1,920,000

908 S Grant St San Mateo, CA 94402

Single Family
Closed

3
Beds
2
Total Baths
1,862
Sq. Ft.

Listed by Parc Agency Corporation, Loren Dakin
Sold by Mxr, Johnson Woo

621 S Humboldt St, San Mateo, CA 94402 (MLS# ML82026869) is a Single Family property that was sold at $2,250,000 on December 16, 2025. Want to learn more about 621 S Humboldt St? Do you have questions about finding other Single Family real estate for sale in San Mateo? You can browse all San Mateo real estate or contact a Coldwell Banker agent to request more information.

621 S Humboldt St San Mateo, CA 94402