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10 Koso Place, Rancho Santa Margarita, CA 92688 Property Information

10 Koso Place, Rancho Santa Margarita, CA 92688 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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10 Koso Place, Rancho Santa Margarita, CA 92688
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Address

Primary address 10 Koso Place, Rancho Santa Margarita
Zip code 92688
County Orange

Sales & Tax Overview for 10 Koso Place, Rancho Santa Margarita

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 11/06/2025
Sale price $1,150,000
Arm's length
Property tax $7,881

Lot & Building Information for 10 Koso Place, Rancho Santa Margarita

Building sqft 1,993
Building class Single Family Residential (1)
Acreage 0.149
Year built 1988
Year last altered
Bedrooms 3
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Residential Medium Density (RM-3000-D)

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 10 Koso Place, Rancho Santa Margarita

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About 10 Koso Place, Rancho Santa Margarita

What is the year built & the total sq. ft. for 10 Koso Place, Rancho Santa Margarita, CA 92688?

10 Koso Place, Rancho Santa Margarita, CA 92688 was built in 1988 and has a total of 1,993 square feet.

What is the assessed value of 10 Koso Place, Rancho Santa Margarita, CA 92688 and the property tax paid?

Assessed at $757,161, the tax amount paid for 10 Koso Place, Rancho Santa Margarita, CA 92688 is $7,881.

When was 10 Koso Place, Rancho Santa Margarita, CA 92688 last sold and what was the last sale price?

10 Koso Place, Rancho Santa Margarita, CA 92688 was last sold in 11/06/2025 for $1,150,000.

Ownership Information

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Real Estate Reports:
Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District 
New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide 
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Past Sales & Property History for 10 Koso Place, Rancho Santa Margarita

Create a free account to view the complete sales history for 10 Koso Place, Rancho Santa Margarita, including title documents, transfer conditions, mortgages and liens.

Sale date Sale price Buyer name Seller name
11/06/2025 $1,150,000
03/31/2015 $630,000
07/10/1998 $226,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 10 Koso Place, Rancho Santa Margarita

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
12/26/2025 Ucc - Term
11/06/2025 Grant Deed
04/02/2024 Trust Deed
08/08/2022 Modif Trust DD 08/01/2062
08/01/2022 Trust Deed 08/01/2062
09/23/2021 Ucc - F S
06/01/2016 Ucc - F S
12/31/2015 Trust Deed 01/01/2046
04/03/2015 Reconveyance
Substitution Tr
03/31/2015 Trust Deed 04/01/2045
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R: Recorded date
D: Document date

Property Taxes for 10 Koso Place, Rancho Santa Margarita

Access detailed property tax data for 10 Koso Place, Rancho Santa Margarita, CA 92688. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $7,881
Market value $757,161

Special Assessments for 10 Koso Place, Rancho Santa Margarita

Abatements, financial assistance programs and non-ad valorem taxes levied as special taxes/direct assessments are applicable for this property.

Description Special assessment Phone number
CA hero pgm-clean energy-residentia (949) 955-1500
Mosq,fire ant assmt (800) 273-5167
MWD water stdby CHG (866) 807-6864
Vector control CHG (800) 273-5167

Assessment History for 10 Koso Place, Rancho Santa Margarita

Here's the assessment & property tax history for 10 Koso Place, Rancho Santa Margarita, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $757,161 1.0464 $7,881 +1.77%
2024-2025 $742,315 1.0491 $7,745 +2.33%
2023-2024 $727,760 1.0461 $7,569 +0.08%
2022-2023 $713,491 1.073 $7,563 +3.57%
2021-2022 $699,501 1.051 $7,302 -1.10%

Permits for 10 Koso Place, Rancho Santa Margarita

The complete history of permits filed for 10 Koso Place, Rancho Santa Margarita, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Rancho Santa Margarita residential market stats

Median Sale Price
$910,000
10% YoY
Median Price/Sqft
$657
1.1% YoY
Orange County Median Sale Price
$1,199,500
3.4% YoY

Access a detailed real estate market overview of Rancho Santa Margarita so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Rancho Santa Margarita and compare it to other neighborhoods in Orange County.

Check out recently sold homes in Rancho-Santa-Margarita and see how their prices compare.

Risk

Create a free account to unlock extended information for 10 Koso Place, Rancho Santa Margarita, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 10 Koso Place, Rancho Santa Margarita to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Cielo Vista Elementary School 6 Public K-6 526 0.12
Montessori At The Park NR Private PK-3 141 0.35
Montessori At The Park NR Private PK-3 141 0.35
Montessori At The Park NR Private K-3 24 0.35
Trabuco Mesa Elementary School 8 Public K-6 654 0.69

Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Rancho Santa Margarita Intermediate School 7 Public 7-8 1,041 0.20
St Johns Episcopal NR Private PK-8 431 0.84
St. John's Episcopal School NR Private PK, K-8 418 0.86
Jesus Life NR Private K-7 50 0.92
RSM Christian School NR Private PK, K-8 218 1.70

Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Santa Margarita Catholic High School NR Private 9-12 1,724 0.40
Svusd Virtual Academy NR Public K-12 24 1.76
Saint Michael's Prep School NR Private 9-12 58 2.99
Master's Academy, The NR Private K-12 13 3.03
The Master's Academy NR Private 5-12 11 3.03

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 10 Koso Place, Rancho Santa Margarita

Here are the neighbors for 10 Koso Place, Rancho Santa Margarita.

Address Square feet Purchase date Purchase price
8 Koso Pl, Rancho Santa Margarita 993 03/22/2019
6 Koso Pl, Rancho Santa Margarita 2,199 04/13/2017
8 Mohave Way, Rancho Santa Margarita 993 09/14/1990 $168,000
12 Mohave Way, Rancho Santa Margarita 1,551 10/28/1988 $184,500
12 Lompoc CT, Rancho Santa Margarita 1,551 03/08/2013 $500,000
8 Lompoc CT, Rancho Santa Margarita 1,551 08/22/2022
6 Mohave Way, Rancho Santa Margarita 1,299 08/05/2010
23 Mohave Way, Rancho Santa Margarita 1,918 03/20/2025 $1,200,000
10 Lompoc CT, Rancho Santa Margarita 1,299 03/12/2007 $560,000
6 Lompoc CT, Rancho Santa Margarita 1,299 06/06/2007 $560,000
16 Mohave Way, Rancho Santa Margarita 2,210 04/01/2015 $645,000
21 Mohave Way, Rancho Santa Margarita 1,551 06/30/2014 $535,000
27 Mohave Way, Rancho Santa Margarita 1,299 06/25/2008 $440,000
29 Mohave Way, Rancho Santa Margarita 1,551 10/04/2024 $1,165,000
4 Lompoc CT, Rancho Santa Margarita 1,551 05/31/2016 $647,000
4 Mohave Way, Rancho Santa Margarita 1,551 12/08/2020
10 Mohave Way, Rancho Santa Margarita 1,299 05/10/2016 $625,000
14 Mohave Way, Rancho Santa Margarita 1,551 06/30/1995 $163,000
18 Mohave Way, Rancho Santa Margarita 1,551 11/05/2018
25 Mohave Way, Rancho Santa Margarita 1,551 05/08/2013

Nearby ZIP Codes for 10 Koso Place, Rancho Santa Margarita

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