3123 Castle Rock Loop
Discovery Bay, CA 94505
6 bd 4 ba 3,394 sqft Built 2004 Lot 6,534 sqft single_family
Most recent sale
$920,000
Dec 3, 2021
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 29, 2023 | Sold | $869,000 | BayEast |
| Dec 3, 2021 | Sold | $920,000 | MLS #40972817 |
| Oct 31, 2021 | Listed | $899,888 | MLS #40972817 |
| Dec 11, 2018 | Sold | $670,000 | MLS #40836075 |
| Oct 4, 2018 | Price changed | $699,900 | MLS #40836075 |
| Aug 27, 2018 | Listed | $709,000 | MLS #40836075 |
| Jul 16, 2004 | Sold | $575,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $702,780 | $183,600 | $886,380 | $11,824 |
| 2024 | $702,780 | $183,600 | $886,380 | $11,312 |
| 2023 | $689,000 | $118,000 | $807,000 | $10,710 |
| 2022 | $785,000 | $135,000 | $920,000 | $11,942 |
| 2021 | $569,903 | $120,576 | $690,479 | $9,362 |
| 2020 | $564,060 | $119,340 | $683,400 | $9,327 |
| 2019 | $553,000 | $117,000 | $670,000 | $9,218 |
| 2018 | $501,823 | $140,677 | $642,500 | $8,635 |
| 2017 | $475,267 | $133,233 | $608,500 | $8,229 |
| 2016 | $417,470 | $117,030 | $534,500 | $7,143 |
| 2015 | $403,411 | $113,089 | $516,500 | $6,868 |
| 2014 | $369,435 | $103,565 | $473,000 | $6,379 |
| 2013 | $257,355 | $72,145 | $329,500 | $4,786 |
| 2012 | $242,124 | $67,876 | $310,000 | $4,565 |
| 2011 | $242,124 | $67,876 | $310,000 | $4,551 |
| 2010 | $242,124 | $67,876 | $310,000 | $4,453 |
| 2009 | $251,887 | $70,613 | $322,500 | $4,523 |
| 2008 | $374,902 | $105,098 | $480,000 | $6,352 |
| 2007 | $462,665 | $135,252 | $597,917 | $7,525 |
Property facts
Year built
2004
Property type
single_family
Stories
2
Beds
6
Baths
4
Living area
3,394 sqft
Lot size
6,534 sqft
ZIP code
94505
City
Discovery Bay
Street
Castle Rock Loop
Coordinates
37.91607, -121.61503
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$10,861
Gross rental yield
14.17%
Implied cap rate
9.21%
Trend-extrapolated value
—
Frequently asked questions
When did 3123 Castle Rock Loop last sell?
3123 Castle Rock Loop most recently sold on Dec 3, 2021 for $920,000.
What is the current tax assessment for 3123 Castle Rock Loop?
The most recent total assessment for 3123 Castle Rock Loop (year 2025) is $886,380 with $11,824 in property tax.
How does 3123 Castle Rock Loop's assessment compare to its last sale price?
The current assessment is 3.7% below the last sale price of $920,000.
When was 3123 Castle Rock Loop built?
3123 Castle Rock Loop was built in 2004.
How does 3123 Castle Rock Loop compare to others on Castle Rock Loop?
We track 8 other properties on Castle Rock Loop. Browse the list under "Other properties on Castle Rock Loop" to compare beds, baths, and sale history.
What are the property facts for 3123 Castle Rock Loop?
3123 Castle Rock Loop is a 6 bed, 4 bath, 3,394 sqft, 6,534 sqft lot single_family.
Is 3123 Castle Rock Loop a flip candidate?
No — 3123 Castle Rock Loop does not appear in our flips dataset.
Is 3123 Castle Rock Loop a tax-appeal candidate?
No — 3123 Castle Rock Loop is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.2%
Implied 1-yr
+0.6%
2026 Q3
$971.8K
2026 Q4
$973.3K
ZIP 94505 — Median Price History + Forecast
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Geography
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