Martin Barros
Coldwell Banker West
(858) 298-2908
80 Total Sales
1 in Casa de Oro-Mount Helix
$250,000 Price
Estimated Value: $1,958,974
This single-story mid-century modern Atomic Ranch, built in 1957 by architect Chris Cosgrove, sits on a 1-acre lot in Mount Helix and has been impeccably maintained by its original owners. With 6 bedrooms plus a den, 5 bathrooms, and 3,491 sq ft, it showcases rock facades, vaulted wood-beamed ceilings, floor-to-ceiling windows, and original vintage tile. The resort-style front yard features a pool, lush landscaping, citrus trees, and peek-a-boo views, creating an elegant mid-century retreat. This expansive single-story Atomic Ranch, built in 1957 by renowned architect Chris Cosgrove, sits atop a full 1-acre lot in the heart of Mount Helix and has been thoughtfully maintained by its original owners. Designed to embrace indoor-outdoor living, the home features 6 bedrooms plus a den, 5 bathrooms, and 3,491 sq ft of timeless mid-century modern style, including rock facades, vaulted wood-beamed ceilings, floor-to-ceiling windows/doors, wood paneling and original vintage tile. The front yard showcases a resort-style pool surrounded by gorgeous landscaping, mature trees, citrus plantings, and peek-a-boo views, creating a private and inviting outdoor retreat. A spacious driveway provides ample parking and complements the home’s refined, architecturally striking presence—perfect for relaxing or entertaining in true mid-century fashion.
Last Agent to Sell the Property
Mercer Investments Inc. License #02036190 Listed on: 06/25/2025
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Martin Barros
Coldwell Banker West
(858) 298-2908
80 Total Sales
1 in Casa de Oro-Mount Helix
$250,000 Price
Robert Yu
Compass
(619) 777-5734
49 Total Sales
2 in Casa de Oro-Mount Helix
$1.6M - $1.7M Price Range
Heidi Cafarella
Esquire Realty
(858) 302-4052
84 Total Sales
1 in Casa de Oro-Mount Helix
$789,000 Price
Julie Han
Compass
(858) 293-5553
55 Total Sales
1 in Casa de Oro-Mount Helix
$2,285,000 Price
Brian Bazinet
Compass
(619) 745-6791
24 Total Sales
1 in Casa de Oro-Mount Helix
$845,000 Price
Zabie Sahial
ROA California Inc
(619) 439-1039
14 Total Sales
1 in Casa de Oro-Mount Helix
$900,000 Price
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| $1,981,000 | Chicago Title | ||
| Gundel Kirsten | -- | Chicago Title | |
| Ross Charles M | -- | -- |
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 07/21/2025 07/21/25 | Sold | $1,981,000 | +4.3% | $567 / Sq Ft |
| 07/02/2025 07/02/25 | Pending | -- | -- | -- |
| 06/25/2025 06/25/25 | For Sale | $1,899,000 | -- | $544 / Sq Ft |
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2026 | $18,312 | $1,981,000 | $1,400,000 | $581,000 |
| 2025 | $18,431 | $1,560,600 | $1,196,460 | $364,140 |
| 2024 | $18,431 | $1,530,000 | $1,173,000 | $357,000 |
| 2023 | $2,764 | $235,554 | $94,124 | $141,430 |
| 2022 | $2,719 | $230,936 | $92,279 | $138,657 |
| 2021 | $2,680 | $226,409 | $90,470 | $135,939 |
| 2020 | $2,650 | $224,089 | $89,543 | $134,546 |
| 2019 | $2,616 | $219,696 | $87,788 | $131,908 |
| 2018 | $2,572 | $215,389 | $86,067 | $129,322 |
| 2017 | $2,537 | $211,167 | $84,380 | $126,787 |
| 2016 | $2,434 | $207,027 | $82,726 | $124,301 |
| 2015 | $2,420 | $203,918 | $81,484 | $122,434 |
| 2014 | $2,372 | $199,924 | $79,888 | $120,036 |
BM
Seller's Agent in 2025
Barbara Mercer
Mercer Investments Inc.
(619) 846-6140
13 Total Sales
KM
Seller Co-Listing Agent in 2025
Kelli Mercer
Mercer Investments Inc.
(619) 683-9274
16 Total Sales
Buyer's Agent in 2025
Jared Nelson
Compass
(619) 261-5524
67 Total Sales
Source: San Diego MLS
MLS Number: 250031597
APN: 497-071-02
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