1703 Observation Way, Antioch, CA 94531, USA

Property CA
, , , , , , , , , , ,
1

Property Overview:

1703 Observation Way is a single-family home in Antioch, CA 94531, built in 2002. It features 5 bedrooms (one downstairs, currently used as an office), 2.5/3 bathrooms, and 2,999 sq. ft. of living space on a 12,088 sq. ft. lot (0.28 acres)—larger than most lots in the area. The home includes a 3-car garage, enormous driveway with RV/boat parking, and a custom side yard gate. The estimated home value ranges from $607,605 to $659,800.

Neighborhood Highlights:

  • Schools:
    • Nearby: Lone Tree Elementary, Dallas Ranch Middle, Deer Valley High, New Horizon Academy.
  • Convenience:
    • FoodMaxx grocery store, Starbucks coffee shop, and restaurants like Subway and El Caporal Taqueria are close by.
  • Parks & Recreation:
    • Near Diablo West Park, Dallas Ranch Park, and Prewett Family Park.
  • Commuting:
    • BART station within a 10-minute drive.
    • Kaiser Hospital: 3-minute drive.
    • Costco: 8-minute drive.

Property Features:

  • Spacious Layout:
    • 5 bedrooms (downstairs room can be converted back from office), 2.5/3 bathrooms.
    • Large living room and master suite with walk-in closet.
    • Abundant natural light and fresh air throughout.
  • Upgrades & Improvements:
    • Marble flooring throughout first floor and bathrooms ($75,000).
    • Custom office cabinets, entertainment center, fireplace mantle, and bathroom cabinets ($11,000).
    • Garage: Custom cabinets and overhead ceiling storage ($11,000).
    • Landscaping: Stamped patio & walkways, block retaining walls, on-hill stairs, BBQ canopy/counters ($88,000).
    • Master walk-in closet with oak hardwood floor ($1,500).
    • Custom iron gates for RV/boat access.
    • Ironwood covered patio ($9,000).
    • Fresh interior & exterior paint (June 2020).
    • New AC & furnace (HVAC) recently installed.
  • Energy Efficiency:
    • 11.3 KW leased solar panel system (buyer assumes lease; monthly payment $185–$197.16).
  • Outdoor Living:
    • Fenced backyard with BBQ grill gazebo, Ironwood-covered patio, and outdoor kitchen—ideal for relaxation and gatherings.
  • Parking:
    • Enormous driveway with 3-car garage and RV/boat parking.

Location Benefits:

  • Quiet neighborhood with easy access to schools, shopping, parks, and major amenities.
  • Commuter-friendly: Close to BART, highways, and major employers.
  • Perfect for families seeking space, comfort, and modern upgrades.
2

Price and Status History

date type price
2002-12-02 Sold 436500
2019-10-07 For Sale NaN
2022-01-22 Off Market NaN
2022-08-03 For Sale 800000
2022-08-04 Pending NaN
2022-08-25 For Sale 779000
2022-09-10 For Sale 777000
2022-09-22 For Sale 749950
2022-09-23 For Sale 749950
2022-11-02 Sold 720000
2025-03-06 For Sale 819000
2025-03-07 For Sale NaN
2025-03-27 For Sale 799000
2025-04-13 Pending NaN
2025-05-09 Sold 805000
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 1 0
AE 0 0 0 0
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
N/A N/A 0 0 0

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 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 2
Very High 0 0 0 0
5

Traffic Noise by Hour x Weekday

Not enough data points

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 0
2 1 1 1 1 1 1 1
3 1 1 1 0 1 3 1
4 0 1 1 1 1 1 1
5 1 1 1 1 1 1 1
6 1 1 2 1 1 2 1
7 1 1 1 2 2 2 1
8 2 1 1 2 2 2 2
9 2 1 2 2 2 2 2
10 2 2 2 2 2 2 2
11 2 3 4 3 2 3 3
12 3 2 2 3 2 2 2
13 2 2 2 3 3 3 2
14 2 3 2 3 3 2 2
15 2 2 2 1 2 2 2
16 2 3 2 2 2 2 1
17 1 2 2 2 2 1 2
18 1 2 1 2 1 2 1
19 1 2 2 2 2 1 1
20 1 1 1 1 1 1 1
21 1 1 1 1 1 1 1
22 1 1 2 1 1 1 1
23 1 1 2 2 1 1 1