621 South Grant Street, San Mateo, CA 94402-1339, USA

Property CA
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1

Property Overview:

621–623 S Grant St is a multi-family property in San Mateo, CA, located in the desirable Sunnybrae neighborhood. The lot features two separate homes under one APN:

  • 621 S Grant St: 2-bedroom, 1-bath 1928 bungalow (renovated)
  • 623 S Grant St: 2-bedroom, 2-bath 1989 home with attached 2-car garage (1,321 sq. ft.)

Neighborhood Highlights:

  • Crime Rate:

    • Personal crime risk: 7.4% (lower than state average of 11.8%)
    • Property crime risk: 11.4% (slightly higher than state average of 10.8%)

  • Schools:
    Nearby schools include Sunnybrae Elementary, Borel Middle, and San Mateo High

    • Average SAT score: 1076 (553 Math, 523 English) — above state average

  • Job Market:

    • 69.3% white-collar jobs, 30.7% blue-collar jobs
    • Unemployment rate: 2.6% (lower than state average of 4.7%)

  • Demographics:

    • Community population: 23,121 (3% growth since 2000)
    • 66% families with children
    • Largest age group: 45–54 years (15.88%), followed by 35–44 years (15.56%)

  • Natural Disaster Risk:

    • Low flood risk, low tornado risk, high earthquake risk

  • Weather:

    • Average temperature: 50.8°F (January), 68.3°F (July)
    • Average rainfall: 19.5 inches/year
    • Average snowfall: 0 inches/year

  • Cost of Living:

    • Median household income: $102,281
    • Average annual spending: $69,902

Property Features:

  • Two separate homes on one lot with independent access and private outdoor spaces
  • 621 S Grant St:
    • Renovated 2-bed, 1-bath 1928 bungalow
    • Separate living room, formal dining room, bonus breakfast room/office, and basement
    • Updated kitchen and bath, new windows, refinished wood floors, upgraded electrical, newer roof
    • Eco-friendly water catchment and gray water system
  • 623 S Grant St:
    • 2-bed, 2-bath home (built 1989, 1,321 sq. ft.)
    • Open floor plan
    • Attached 2-car side-by-side garage (accessed via alley)
  • Ideal for multi-generational living or rental income
  • Well-maintained and versatile property

Location Benefits:

  • Prime Sunnybrae location
  • Commuter-friendly: Easy access to public transportation and major highways
  • Safe, family-oriented community
  • Excellent schools and amenities nearby
  • Low personal crime risk and strong job market
  • Unique investment or living opportunity in the heart of San Mateo
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Price and Status History

date type price
2015-09-07 Sold 1300000
2015-09-19 For Sale 1297500
2015-09-21 Sold 1300000
2015-10-07 Sold 1300000
2015-10-19 For Sale NaN
2024-11-18 Sold 2420000
3

Superfund Enterprise Management System

SITE NAME ADDRESS FEDERAL FACILITY NPL STATUS NON-NPL STATUS CONTAMINANTS SEMS EPA ID DISTANCE (MILES)
BROWNING-FERRIS INDS East 3rd Avenue, San Mateo, CA 94401, USA N N NF 0 CAD980637045 0.47
UNIVERSAL COATINGS OFF 280 EUGENE A DORAN BRG, San Mateo, CA 94401, USA N N NF 0 CAD980637037 0.88

Toxic Release Inventory

FACILITY NAME ADDRESS TOTAL FORMS LAST FORM YEAR RISK SCREENING FACILITY ID DISTANCE (MILES)
WAYNE HERZOG ENGRAVING INC 910 South Amphlett Boulevard, San Mateo, CA 94402-1801, USA 6 1990 N/A 94402WYNHR910SA 0.24

Integrated Compliance Information System - Air

PLANT NAME ADDRESS OPERATING STATUS DISTANCE (MILES)
DELAWARE SHELL AUTO SERVICE 1790 South Delaware Street, San Mateo, CA 94402-2651, USA OPR: Operating 0.95
4

Flood Risk Info

fld_zone very high impact: up to 0.0001 miles high impact: up to 0.2 miles moderate impact: up to 0.5 miles low-moderate impact: up to 1.5 miles
A 0 0 0 1
AE 0 0 7 11
AH 0 0 0 1
AO 0 0 0 0
VE 0 0 0 2

Flood Zone Type

code meaning
A 1% annual chance flood zone determined using approximate methods. No BFEs shown. Flood insurance and management standards apply.
AE 1% annual chance flood zone determined by detailed methods. BFEs shown. Insurance and floodplain management required.
AH Shallow flooding (ponding) zones with depths between 1-3 feet. BFEs shown. Insurance and management required.
AO Shallow flooding (sheet flow) zones with depths 1-3 feet. BFEs or average depths shown. High-velocity areas may exist.
VE Coastal 1% annual chance flood zone with wave action. BFEs shown. Insurance and management required.

Earthquake Risk Info

zone_name quad_name very high impact: up to 0.0001 miles high impact: up to 2.0 miles moderate impact: up to 10.0 miles
San Andreas - Peninsula Montara Mountain 0 0 1
San Andreas - Peninsula San Mateo 0 0 1
San Andreas - Peninsula Woodside 0 0 1

Landslide Risk Info

lscat very high impact: up to 0.0001 miles high impact: up to 0.04 miles moderate impact: up to 0.1 miles low-moderate impact: up to 0.2 miles
8 0 0 0 0

Liquefaction Risk Info

Suscept very high impact: up to 0.0001 miles high impact: up to 0.05 miles moderate impact: up to 0.5 miles low-moderate impact: up to 1.0 miles
High 0 0 0 0
Very high 0 0 2 2

Wild fire Risk Info

haz_class very high impact: up to 0.0001 miles high impact: up to 0.5 miles moderate impact: up to 1.5 miles low-moderate impact: up to 3.0 miles
High 0 0 0 0
Very High 0 0 0 1
5

Traffic Noise by Hour x Weekday

hour_of_day Monday Tuesday Wednesday Thursday Friday Saturday Sunday
0 NaN NaN NaN NaN 49 NaN 43
1 NaN NaN NaN 50 NaN NaN NaN
2 NaN NaN NaN NaN 48 49 46
3 44 NaN NaN 41 45 48 45
4 40 NaN NaN NaN 43 NaN 40
5 NaN 42 NaN 39 38 NaN NaN
6 NaN NaN NaN NaN NaN NaN 42
7 NaN NaN NaN 42 NaN NaN NaN
8 38 38 NaN NaN NaN NaN 41
9 NaN NaN 38 NaN 42 NaN 37
10 NaN NaN NaN NaN 41 44 NaN
11 NaN NaN NaN NaN NaN NaN NaN
12 42 NaN NaN NaN NaN NaN NaN
13 NaN NaN NaN NaN NaN NaN NaN
14 NaN NaN NaN NaN NaN NaN NaN
15 NaN 47 46 51 NaN NaN NaN
16 NaN NaN NaN NaN NaN NaN 41
17 NaN NaN 47 44 39 NaN NaN
18 50 NaN NaN 44 NaN NaN NaN
19 43 52 46 NaN NaN NaN 47
20 53 46 NaN NaN 43 NaN NaN
21 NaN NaN 43 NaN NaN NaN NaN
22 NaN NaN NaN NaN NaN NaN NaN
23 NaN NaN NaN 39 NaN NaN NaN
6

Airplane Noise by Hour x Weekday

hour_of_day Monday Tuesday Wednesday Thursday Friday Saturday Sunday
0 3 3 2 3 3 3 2
1 2 3 2 3 3 2 2
2 2 2 3 3 3 2 1
3 1 1 1 1 1 1 1
4 1 1 1 1 1 1 1
5 2 2 1 2 2 1 1
6 3 3 4 4 3 5 3
7 3 3 2 4 4 4 4
8 4 3 5 5 5 5 4
9 5 6 6 7 7 6 6
10 8 6 9 8 8 8 6
11 8 8 10 9 9 9 10
12 8 6 8 8 8 6 7
13 9 10 10 10 9 10 8
14 7 10 8 8 10 8 7
15 6 6 7 6 7 7 8
16 6 7 7 8 7 7 8
17 6 5 7 6 6 6 5
18 5 5 4 5 5 4 4
19 6 5 6 5 6 4 5
20 4 5 5 4 3 5 4
21 4 4 4 4 4 3 3
22 3 2 3 3 3 3 3
23 4 4 3 4 4 3 4