18 Portmarnoch Ct
Trabuco Canyon, CA 92679
4 bd 5 ba 4,337 sqft Lot 11,021 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 | $641,491 | $830,992 | $1,472,483 | $14,930 |
| 2024 | $641,491 | $830,992 | $1,472,483 | $14,642 |
| 2023 | $616,582 | $798,723 | $1,415,305 | $14,310 |
| 2022 | $604,493 | $783,061 | $1,387,554 | $14,030 |
| 2021 | $592,641 | $767,707 | $1,360,348 | $13,663 |
| 2020 | $586,565 | $759,835 | $1,346,400 | $13,614 |
| 2019 | $575,064 | $744,936 | $1,320,000 | $13,347 |
| 2018 | $589,720 | $412,404 | $1,002,124 | $10,050 |
| 2017 | $578,157 | $404,318 | $982,475 | $10,143 |
| 2016 | $566,821 | $396,390 | $963,211 | $10,096 |
| 2015 | $558,307 | $390,436 | $948,743 | $9,931 |
| 2014 | $547,371 | $382,788 | $930,159 | $9,740 |
| 2013 | $523,740 | $366,260 | $890,000 | $9,681 |
| 2012 | $523,740 | $366,260 | $890,000 | $10,233 |
| 2011 | $530,770 | $519,230 | $1,050,000 | $12,127 |
| 2010 | $534,702 | $159,123 | $693,825 | $8,040 |
| 2009 | $535,973 | $159,502 | $695,475 | $8,196 |
| 2008 | $525,464 | $156,375 | $681,839 | $7,993 |
| 2007 | $515,161 | $153,309 | $668,470 | $7,806 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
4
Baths
5
Living area
4,337 sqft
Lot size
11,021 sqft
ZIP code
92679
City
Trabuco Canyon
Street
Portmarnoch Ct
Coordinates
33.57327, -117.58444
Comparable properties nearby
Frequently asked questions
When did 18 Portmarnoch Ct last sell?
No public-record sale is on file for 18 Portmarnoch Ct.
What is the current tax assessment for 18 Portmarnoch Ct?
The most recent total assessment for 18 Portmarnoch Ct (year 2025) is $1,472,483 with $14,930 in property tax.
When was 18 Portmarnoch Ct built?
The year built for 18 Portmarnoch Ct is not in our records.
How does 18 Portmarnoch Ct compare to others on Portmarnoch Ct?
We do not currently track other properties on Portmarnoch Ct.
What are the property facts for 18 Portmarnoch Ct?
18 Portmarnoch Ct is a 4 bed, 5 bath, 4,337 sqft, 11,021 sqft lot single_family.
Is 18 Portmarnoch Ct a flip candidate?
No — 18 Portmarnoch Ct does not appear in our flips dataset.
Is 18 Portmarnoch Ct a tax-appeal candidate?
No — 18 Portmarnoch Ct is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+2.7%
Implied 1-yr
+11.0%
2026 Q3
$2.41M
2026 Q4
$2.46M
ZIP 92679 — Median Price History + Forecast
Explore nearby
Geography