21 Grassy Knoll Ln
Rancho Santa Margarita, CA 92688
4 bd 4 ba 2,400 sqft Built 1997 Lot 4,777 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $311,933 | $972,913 | $1,284,846 | $13,113 |
| 2024 | $311,933 | $972,913 | $1,284,846 | $12,863 |
| 2023 | $299,821 | $935,133 | $1,234,954 | $12,577 |
| 2022 | $293,943 | $916,797 | $1,210,740 | $12,341 |
| 2021 | $297,769 | $572,529 | $870,298 | $9,875 |
| 2020 | $294,716 | $566,659 | $861,375 | $9,935 |
| 2019 | $288,938 | $555,548 | $844,486 | $10,801 |
| 2018 | $283,273 | $544,655 | $827,928 | $10,630 |
| 2017 | $277,719 | $533,976 | $811,695 | $11,207 |
| 2016 | $272,274 | $523,506 | $795,780 | $11,201 |
| 2015 | $268,185 | $515,642 | $783,827 | $11,229 |
| 2014 | $262,932 | $505,541 | $768,473 | $11,154 |
| 2013 | $285,945 | $247,545 | $533,490 | $8,339 |
| 2012 | $280,339 | $242,691 | $523,030 | $8,405 |
| 2011 | $274,843 | $237,932 | $512,775 | $8,126 |
| 2010 | $272,789 | $236,154 | $508,943 | $8,093 |
| 2009 | $273,438 | $236,716 | $510,154 | $8,062 |
| 2008 | $268,077 | $232,074 | $500,151 | $7,700 |
| 2007 | $262,821 | $227,524 | $490,345 | $7,547 |
Property facts
Year built
1997
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
2,400 sqft
Lot size
4,777 sqft
ZIP code
92688
City
Rancho Santa Margarita
Street
Grassy Knoll Ln
Coordinates
33.58781, -117.62693
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Grassy Knoll Ln last sell?
No public-record sale is on file for 21 Grassy Knoll Ln.
What is the current tax assessment for 21 Grassy Knoll Ln?
The most recent total assessment for 21 Grassy Knoll Ln (year 2025) is $1,284,846 with $13,113 in property tax.
When was 21 Grassy Knoll Ln built?
21 Grassy Knoll Ln was built in 1997.
How does 21 Grassy Knoll Ln compare to others on Grassy Knoll Ln?
We track 4 other properties on Grassy Knoll Ln. Browse the list under "Other properties on Grassy Knoll Ln" to compare beds, baths, and sale history.
What are the property facts for 21 Grassy Knoll Ln?
21 Grassy Knoll Ln is a 4 bed, 4 bath, 2,400 sqft, 4,777 sqft lot single_family.
Is 21 Grassy Knoll Ln a flip candidate?
No — 21 Grassy Knoll Ln does not appear in our flips dataset.
Is 21 Grassy Knoll Ln a tax-appeal candidate?
No — 21 Grassy Knoll Ln is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.7%
Implied 1-yr
+2.6%
2026 Q3
$946.8K
2026 Q4
$952.8K
ZIP 92688 — Median Price History + Forecast
Explore nearby
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