$842,700
- 4 Beds
- 3 Baths
- 3,527 sqft (on 0.27 acres)
1640 Observation Ct, Antioch, CA 94531
Est. Refi. Payment $5,368/mo*
Refinance Your HomeCurrently Off Market - Sold Mar 5, 2019 for $615,000
Home Value
Trulia Estimate
$843KSince last month
Increased$700 (+0.1%)Since last year
Increased$23K (+2.8%)Since last sale
Increased$227K (+36.9%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +32% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $842K |
| August 2026 | $841K |
| July 2026 | $830K |
| June 2026 | $837K |
| May 2026 | $841K |
| April 2026 | $839K |
| March 2026 | $849K |
| February 2026 | $835K |
| January 2026 | $798K |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.04 | Single-Family Home | $799,000 | 06/29/26 | 5 | 3 | 3,409 | |
0.12 | Single-Family Home | $884,000 | 06/12/26 | 4 | 3 | 3,527 | |
0.11 | Single-Family Home | $750,000 | 07/14/26 | 4 | 3 | 3,020 | |
0.18 | Single-Family Home | $730,000 | 06/18/26 | 4 | 3 | 3,270 | |
0.10 | Single-Family Home | $690,000 | 09/03/26 | 3 | 3 | 2,617 | |
0.11 | Single-Family Home | $950,000 | 02/27/26 | 5 | 3 | 3,270 | |
0.14 | Single-Family Home | $740,000 | 10/31/25 | 5 | 3 | 3,125 | |
0.28 | Single-Family Home | $800,013 | 10/20/25 | 4 | 3 | 3,402 | |
0.23 | Single-Family Home | $765,000 | 05/15/26 | 4 | 2.5 | 2,888 | |
0.13 | Single-Family Home | $715,000 | 06/29/26 | 4 | 3 | 2,440 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.03 | $1,006,200 | 5 | 3 | 3,527 | Off Market | |
0.05 | $823,000 | 5 | 3 | 3,335 | Off Market | |
0.04 | $799,000 | 5 | 3 | 3,409 | Recently Sold | |
0.05 | $919,500 | 4 | 2.5 | 2,845 | For Sale | |
0.09 | $877,200 | 6 | 4 | 3,871 | Off Market | |
0.11 | $950,000 | 5 | 3 | 3,270 | Recently Sold | |
0.11 | $675,000 | 5 | 3 | 2,440 | For Sale | |
0.11 | $750,000 | 4 | 3 | 3,020 | Recently Sold | |
0.10 | $690,000 | 3 | 3 | 2,617 | Recently Sold | |
0.08 | $903,200 | 5 | 3 | 3,547 | Off Market | |
0.09 | $763,300 | 4 | 3 | 2,845 | Off Market | |
0.09 | $768,900 | 6 | 3 | 3,125 | Off Market |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 2002
0.27 acre lot
3,527 sqft
$239/sqft
Garage
About this House
Gorgeous single family home of 3527 square feet offers 4 bed rooms, 3 bath rooms, family room, living room, library/game room and an office room. Unique, bird's-eye view from Black Diamond Knoll, the hill top of Antioch seeing sun rise at the dawn and sun set in the dusk from our backyard and upstairs balcony. Bright windmills in the distance of seashore bring you cool breezes. Spacious Master Bedroom provides one walk-in closet each for both host and hostess. It also includes a vigorous Jacuzzi for massage. Beautiful tile floors in most of downstairs; granite counters, chefs stove in kitchen with walk-in pantry. Spiral wood staircase leads to upstairs. Vacant, clean, move-in condition; must see!
1640 Observation Ct, Antioch, CA 94531 is a 4 bedroom, 3 bathroom, 3,527 sqft single-family home built in 2002. It last sold for $615,000 on Mar 5, 2019. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $842,700, with a rent estimate of $4,207/month.
Home Details for 1640 Observation Ct
|
|---|
Year Built Year Built: 2002Year Updated: 2002 |
Property Type / Style Property Type: Single Family Home |
|
|---|
Interior Details Number of Rooms: 12Types of Rooms: Dining Room, Family Room, Master Bath |
Appliances & Utilities DishwasherDisposalMicrowave |
Heating & Cooling Air ConditioningCooling System: Central |
|
|---|
Parking & Garage GarageParking Spaces: 3Parking: Garage Attached |
|
|---|
Units in Building: 1 |
|
|---|
Lot Area: 0.27 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Mar 5, 2019 Source: N/A | Sold | $615,000 |
Oct 13, 2016 Source: Agent Provided | ListingRemoved | $635,000 |
Sep 7, 2016 Source: Agent Provided | PriceChange | $635,000 Price decreased by 2% |
Aug 18, 2016 Source: Agent Provided | Listed For Sale | $649,950 |
Jun 13, 2013 Source: N/A | Sold | $480,000 |
Apr 18, 2013 Source: Agent Provided | Listed For Sale | $549,950 |
Jul 12, 2010 Source: N/A | Sold | $350,000 |
Apr 5, 2005 Source: N/A | Sold | $905,000 |
Sep 27, 2002 Source: N/A | Sold | $532,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2026 | Unavailable | $699,758 |
Home facts updated by county records
Market trends in Antioch
Last updated August 2026
Avg. sale price
$591K
$10.83KMoM
Sale-to-List Price
101.5%
Price per sq ft
$321
$2MoM
Available listings
255
27MoM
Around this home
What Locals Say about Antioch
At least 877 Trulia users voted on each feature.
93 % Say there are sidewalks
83 % Say car is needed
81 % Say it's dog friendly
78 % Say parking is easy
77 % Say yards are well-kept
71 % Say there's holiday spirit
54 % Say streets are well-lit
53 % Say kids play outside
52 % Say it's walkable to grocery stores
51 % Say it's quiet
50 % Say neighbors are friendly
46 % Say it's walkable to restaurants
46 % Say they plan to stay for at least 5 years
44 % Say there's wildlife
40 % Say people would walk alone at night
20 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 1640 Observation Ct
- What is 1640 Observation Ct estimated to be worth?Trulia's estimated value for 1640 Observation Ct in Antioch, CA is $842,700.
- What is the price history for 1640 Observation Ct?1640 Observation Ct in Antioch, CA last sold for $615,000 in March 2019.
- Is Antioch a buyer's or seller's market?Antioch is currently a buyer's market, based on recent for-sale activity.
- What's the median sale price in Antioch?The median sale price in Antioch is $591K. That is down $10.83K from the prior month.
- Does 1640 Observation Ct have air conditioning?Yes, 1640 Observation Ct in Antioch, CA has air conditioning.
- How big is the lot at 1640 Observation Ct?The lot at 1640 Observation Ct in Antioch, CA is about 0.27 acres (11,717 sq ft).

