4101 Polaris Avenue, Union City, CA 94587-4040, USA

Property CA
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1

Property Overview:

4101 Polaris Ave is a condominium unit in Union City, CA, built in 1974. It features 4 bedrooms, 2 bathrooms, and 1,584 sq. ft. of living space. The home includes a parking garage. The estimated home value is $590,400.

Neighborhood Highlights:

  • Crime Rate:

    • Personal crime risk: 6.6% (lower than state average of 11.8%).
    • Property crime risk: 8.9% (lower than state average of 10.8%).

  • Schools:
    Nearby schools include Itliong-Vera Cruz, Pioneer Elementary, James Logan High, and Decoto School for Independent Study.

    • Average SAT score: 969 (below state average of 975).

  • Job Market:

    • 58.2% white-collar jobs, 41.8% blue-collar jobs.
    • Unemployment rate: 3.3% (lower than state average of 4.7%).

  • Demographics:

    • Community population: 65,158 (9.8% growth since 2000).
    • 81% families with children.
    • Largest age group: 35-44 years (14.66%); second largest: 25-34 years (14.63%).

  • Natural Disaster Risk:

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

  • Weather:

    • Average temperature: 47.0°F (January), 79.3°F (July).
    • Average rainfall: 19.2 inches/year.
    • Average snowfall: 0.1 inches/year.

  • Cost of Living:

    • Median household income: $74,926.
    • Average annual spending: $56,698.

Property Features:

  • 4 bedrooms and 2 bathrooms in a spacious 1,584 sq. ft. layout.
  • Parking garage included.
  • Built in 1974 with a condominium community setting.

Location Benefits:

  • Family-oriented community with a high percentage of households with children.
  • Safe neighborhood with crime rates below state averages.
  • Convenient access to local schools and employment opportunities.
  • Mild weather year-round and low risk for most natural disasters (except earthquakes).
2

Price and Status History

date type price
1993-01-21 Sold 135000
2009-06-05 Sold 250000
2010-12-02 For Sale 240000
2017-11-20 Sold 586000
2023-09-02 Off Market NaN
2025-03-11 Sold 400000
3

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.

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 7
AE 0 0 0 3
AH 0 0 0 0
AO 0 0 0 0
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
South Hayward Hayward 0 0 1
South Hayward Newark 0 0 1
South Hayward Niles 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 1 0 0 0
Very high 0 0 0 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 0
5

Traffic Noise by Hour x Weekday

hour_of_day Monday Tuesday Wednesday Thursday Friday Saturday Sunday
0 NaN NaN 58 59 61 62 60
1 NaN 60 60 NaN 59 59 58
2 57 NaN 58 NaN 59 61 57
3 57 58 57 59 58 58 NaN
4 57 NaN 57 58 57 57 56
5 57 NaN 57 56 58 56 57
6 55 55 57 57 56 58 56
7 55 57 NaN 54 NaN 55 56
8 55 56 56 56 56 NaN 56
9 56 55 55 54 55 55 NaN
10 NaN NaN 55 56 54 NaN 56
11 55 56 54 NaN 56 NaN 56
12 NaN 56 55 55 NaN 55 55
13 57 55 56 55 57 56 56
14 57 56 59 NaN 57 54 56
15 58 58 NaN NaN 60 NaN 56
16 58 58 59 58 59 NaN 59
17 58 NaN 59 58 NaN NaN 59
18 59 59 59 57 58 58 59
19 NaN 58 57 60 60 58 NaN
20 58 61 58 NaN 59 59 58
21 NaN 58 NaN NaN 61 NaN 60
22 59 59 56 NaN 60 58 59
23 59 59 59 60 NaN NaN 59
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 0 1 1 2 1 1 1
2 1 2 2 2 2 1 1
3 1 1 1 1 1 1 1
4 1 1 1 1 1 1 1
5 1 1 1 2 1 1 1
6 1 1 1 1 1 2 1
7 1 2 2 1 1 2 2
8 2 2 2 3 3 4 1
9 2 4 3 5 3 3 3
10 5 5 6 6 6 4 5
11 4 5 8 7 7 6 6
12 5 3 5 4 7 5 5
13 5 5 5 5 5 5 4
14 3 5 6 7 4 3 5
15 3 5 5 6 5 3 6
16 4 5 6 4 5 3 4
17 3 5 4 5 3 3 2
18 2 3 4 3 3 2 3
19 3 2 4 2 3 3 3
20 1 2 2 2 2 2 2
21 2 2 2 1 2 1 1
22 2 2 2 2 2 1 1
23 1 1 1 1 1 1 1