21621 Columbus Avenue, Cupertino, CA 95014-4710, USA

Property CA
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1

Property Overview:

21621 Columbus Ave is a single-family home in Cupertino, CA, built in 1966. It features 3 bedrooms, 2 bathrooms, and 2,119 sq. ft. of living space. The home includes a 2-car garage, fireplace, and dual-zone AC and heating system. The estimated home value is $2,696,000.

Neighborhood Highlights:

  • Crime Rate:

    • Personal crime risk: 4% (lower than state average of 11.8%).
    • Property crime risk: 4.7% (lower than state average of 10.8%).

  • Schools:
    Walking distance to Lincoln Elementary, Kennedy Middle School, and Monta Vista High (award-winning schools).

    • Average SAT score: 1155 (higher than state average of 975).

  • Job Market:

    • 75.6% white-collar jobs, 24.4% blue-collar jobs.
    • Unemployment rate: 2.4% (lower than state average of 4.7%).

  • Demographics:

    • Community population: 49,807 (16% growth since 2000).
    • 71% families with children.
    • Largest age group: 35-44 years (18.27%).

  • Natural Disaster Risk:

    • Moderate flood risk, low tornado risk, high earthquake risk.

  • Weather:

    • Average temperature: 48.8°F (January), 86.3°F (July).
    • Average rainfall: 17 inches/year.
    • Average snowfall: 0.1 inches/year.

  • Cost of Living:

    • Median household income: $114,784.
    • Average annual spending: $76,439.

Property Features:

  • Lot size: Nearly 7,600 sq. ft., south-facing.
  • Living Room: Spacious, sunlit with vaulted ceilings and brick fireplace.
  • Dining Room: Elegant and naturally connected to the living room.
  • Kitchen: Newly updated with quartz countertops, large cooktop, and stainless steel sink overlooking the backyard.
  • Family Room: Ample space for casual gatherings with direct access to the low-maintenance backyard featuring a patio area and fruit trees.
  • Bedrooms:
    • Primary suite: Light-filled with dual closets and an updated en-suite bathroom.
    • Two additional bedrooms: Ideal for family or home office.
    • Lower-level bedroom: Perfect for guests or multi-generational living.

Location Benefits:

  • Walking distance to nationally ranked schools (Lincoln Elementary, Kennedy Middle, Monta Vista High).
  • Close to Linda Vista Park, Blackberry Farm, and other amenities.
  • Perfect for family living with a meticulously maintained home on the market for the first time in 30+ years.
2

Price and Status History

date type price
1990-07-12 Sold 535000
2022-02-09 Off Market NaN
2025-02-21 For Sale 3400000
2025-02-28 Pending NaN
3

Superfund Enterprise Management System

SITE NAME ADDRESS FEDERAL FACILITY NPL STATUS NON-NPL STATUS CONTAMINANTS SEMS EPA ID DISTANCE (MILES)
ZILOG INC 10460 Bubb Road, Cupertino, CA 95014-4150, USA N N NF 0 CAD076314459 0.59
ZILOG CORP 10440 Bubb Road, Cupertino, CA 95014-4159, USA N N NF 0 CAD103713863 0.60
ACRIAN INC 10131 Bubb Road, Cupertino, CA 95014-4133, USA N N NF 0 CAD092205889 0.88

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.

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 1 5
AE 0 0 0 36
AH 0 0 0 0
AO 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.

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 Castle Rock Ridge 0 0 1
San Andreas - Peninsula Cupertino 0 0 1
San Andreas - Peninsula Mindego Hill 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 1 1

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 1 2
Very High 0 0 2 5
5

Traffic Noise by Hour x Weekday

hour_of_day Monday Tuesday Wednesday Thursday Friday Saturday Sunday
0 NaN NaN NaN NaN NaN 27 34
1 NaN 21 NaN NaN NaN NaN NaN
2 NaN NaN NaN 21 NaN 21 NaN
3 NaN 23 NaN NaN NaN NaN 27
4 NaN 27 NaN NaN 27 NaN NaN
5 NaN NaN NaN NaN 21 NaN NaN
6 NaN NaN NaN 22 NaN 26 27
7 NaN 28 27 NaN NaN NaN 20
8 NaN NaN NaN NaN NaN NaN NaN
9 NaN NaN NaN 21 25 NaN NaN
10 NaN 27 NaN NaN 24 NaN NaN
11 NaN NaN NaN NaN NaN NaN NaN
12 25 NaN NaN NaN NaN NaN 29
13 27 20 NaN NaN NaN NaN 21
14 21 NaN NaN 21 27 NaN NaN
15 NaN NaN NaN NaN Infinity NaN NaN
16 NaN NaN NaN NaN NaN 22 NaN
17 NaN NaN NaN NaN NaN NaN 21
18 NaN NaN NaN NaN NaN NaN NaN
19 NaN 21 NaN NaN NaN 27 NaN
20 26 NaN 20 28 NaN NaN NaN
21 NaN 21 27 27 NaN NaN NaN
22 NaN 27 NaN NaN NaN NaN NaN
23 21 NaN 22 NaN NaN NaN NaN
6

Airplane Noise by Hour x Weekday

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