3915 Colegrove Street, San Mateo, CA 94403-4523, USA


Property Overview:

3915 Colegrove St is a duplex (2 units) in the Beresford/Westside neighborhood of San Mateo, CA 94403, built in 1942. It features a total of 4 bedrooms, 2 bathrooms, and 2,360 sq. ft. of living space on a 5,346 sq. ft. lot. The property includes two garages, a carport, and private courtyard. The most recent sale was for $1,950,000 (10/04/2019), with a current estimated value of $1,383,000.


Neighborhood Highlights:

  • Crime Rate:

    • Personal crime risk: 6% (lower than state average of 11.8%)
    • Property crime risk: 6.6% (lower than state average of 10.8%)
    • Low overall crime risk; only 2 criminal/sex offenders within 1 mile
  • Schools:

    • Nearby schools: George Hall Elementary, Abbott Middle, Hillsdale High, San Mateo County Special Education
    • Average SAT score: 1076 (higher than state average of 975)
    • Schools in the area are rated very good
  • Job Market:

    • 67.9% white-collar jobs, 32.1% blue-collar jobs
    • Unemployment rate: 2.5% (lower than state average of 4.7%)
  • Demographics:

    • Community population: 38,894 (7% growth since 2000)
    • 64% families with children
    • Largest age group: 35-44 years (16.07%)
    • Second largest: 25-34 years (14.94%)
  • Natural Disaster Risk:

    • Very high earthquake risk
    • Very low tornado risk
    • Minimal flood risk
  • Weather:

    • Average temperature: 51.6°F (January), 70.5°F (July)
    • Average rainfall: 20.4 inches/year
    • Average snowfall: 0 inches/year
  • Cost of Living:

    • Median household income: $83,713
    • Average annual spending: $61,232

Property Features:

  • Duplex:
    • Lower unit: 2 bedrooms, 2 full baths, large family room, laundry room, wood-burning fireplace
    • Upper unit: 1 bedroom, 1 bath, office area, eat-in dining room, large living room, lovely views
    • Both units: Washer/dryer in-unit, thoughtfully renovated, move-in ready
  • Parking: Two 1-car garages, carport, extra storage
  • Outdoor space: Private courtyard—ideal for entertaining and summer BBQs
  • Flexible living: Live in one unit and rent the other, or rent both for income
  • Recent renovations: Modern appliances, updated interiors, and flexible layouts
  • Corner lot in a highly desirable neighborhood

Location Benefits:

  • Desirable Beresford/Westside neighborhood—quiet, family-friendly, and close to amenities
  • Excellent schools and safe community
  • Commuter-friendly: Easy access to public transportation and major highways
  • Strong rental and resale potential due to location and property flexibility
  • Ideal for investors, multi-generational living, or owner-occupants seeking supplemental income

Price and Status History

date type price
2019-09-06 For Sale 1799888
2019-09-15 Pending NaN
2019-09-27 For Sale 1799888
2019-10-04 Sold 1950000
2020-01-24 Rental 3100
2021-04-07 Sold 1689600
2022-09-18 Pending NaN
2023-02-08 For Sale 2195000
2023-05-30 For Sale 1995000
2023-08-16 Off Market NaN
2024-05-30 Sold 1998000
2024-05-31 For Sale 1998000
2024-06-20 Pending 1973250
2024-07-31 For Sale 1895000
2024-08-12 Pending 1895000
2024-09-03 Sold 1794000

Superfund Enterprise Management System

No data found within 1.0 miles for this property.

Toxic Release Inventory

No data found within 1.0 miles for this property.

Integrated Compliance Information System - Air

No data found within 1.0 miles for this property.

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 0
AE 0 0 1 5
AH 0 0 1 0
AO 0 0 0 2
VE 0 0 0 0

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 Palo Alto 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 0

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 1
Very High 0 0 0 8

Traffic Noise by Hour x Weekday

hour_of_day Monday Tuesday Wednesday Thursday Friday Saturday Sunday
0 NaN NaN NaN NaN NaN 47 NaN
1 NaN NaN NaN NaN NaN 46 NaN
2 NaN NaN 52 NaN NaN NaN NaN
3 NaN NaN 48 NaN NaN NaN NaN
4 NaN NaN 55 51 NaN 53 NaN
5 NaN NaN NaN NaN NaN NaN NaN
6 48 NaN NaN NaN NaN NaN NaN
7 48 NaN NaN NaN NaN NaN NaN
8 NaN NaN NaN NaN NaN NaN NaN
9 49 NaN NaN NaN NaN NaN 47
10 NaN NaN 47 NaN NaN NaN NaN
11 NaN 49 NaN NaN NaN NaN 45
12 NaN NaN NaN NaN NaN NaN NaN
13 NaN 40 NaN NaN NaN NaN NaN
14 NaN 49 NaN 52 NaN NaN NaN
15 NaN NaN NaN NaN NaN NaN NaN
16 42 54 NaN NaN 50 50 NaN
17 51 55 NaN NaN NaN NaN NaN
18 NaN NaN NaN NaN NaN NaN 52
19 NaN NaN 51 51 NaN NaN 56
20 NaN NaN 52 53 NaN NaN 52
21 NaN NaN 52 NaN NaN NaN 48
22 NaN 45 NaN NaN NaN NaN 43
23 NaN NaN NaN 51 NaN NaN NaN

Airplane Noise by Hour x Weekday

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