Martin Montesano
RE/MAX City Real Estate
(619) 831-8598
19 Total Sales
1 in Casa de Oro-Mount Helix
$1,300,000 Price
4936 Alzeda Dr La Mesa, CA 91941
Casa de Oro-Mount Helix AreaEstimated Value: $1,879,000 - $2,041,000
7
Beds
5
Baths
3,491
Sq Ft
$561/Sq Ft
Est. Value
Highlights
- Solar Heated In Ground Pool
- Retreat
- Home Office
- Peek-A-Boo Views
- Wood Flooring
- Laundry Room
About This Home
As of July 2025This 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
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Home Details
Home Type
- Single Family
Year Built
- Built in 1957
Lot Details
- 1 Acre Lot
- Property is Fully Fenced
- Lot Has A Rolling Slope
Property Views
- Peek-A-Boo
- Mountain
Home Design
- Composition Roof
- Wood Siding
- Stone Exterior Construction
Interior Spaces
- 3,491 Sq Ft Home
- 1-Story Property
- Living Room with Fireplace
- Dining Area
- Home Office
Kitchen
- Electric Oven
- Gas Cooktop
- Freezer
- Dishwasher
Flooring
- Wood
- Parquet
- Carpet
- Laminate
- Tile
Bedrooms and Bathrooms
- 7 Bedrooms
- Retreat
- 5 Full Bathrooms
Laundry
- Laundry Room
- Dryer
- Washer
Parking
- 5 Parking Spaces
- Carport
- Driveway
Pool
- Solar Heated In Ground Pool
- Solar Pool Equipment
Schools
- Grossmont Union High School District
Utilities
- Forced Air Zoned Heating and Cooling System
- Heating System Uses Natural Gas
- Separate Water Meter
- Gas Water Heater
- Septic System
Listing and Financial Details
- Assessor Parcel Number 497-071-02-00
Ownership History
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
Name
Owned For
Owner Type
Purchase Details
Listed on
Jun 25, 2025
Closed on
Jul 9, 2025
Sold by
Bought by
Seller's Agent
Barbara Mercer
Mercer Investments Inc.
Buyer's Agent
Jared Nelson
Compass
List Price
$1,899,000
Sold Price
$1,981,000
Premium/Discount to List
$82,000
4.32%
Views
112
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$22,939
Avg. Annual Appreciation
-1.11%
Purchase Details
Listed on
Jun 25, 2025
Closed on
Jul 7, 2025
Sold by
Bought by
Seller's Agent
Barbara Mercer
Mercer Investments Inc.
Buyer's Agent
Jared Nelson
Compass
List Price
$1,899,000
Sold Price
$1,981,000
Premium/Discount to List
$82,000
4.32%
Views
112
Purchase Details
Closed on
Oct 27, 1993
Sold by
Bought by
Home Values in the Area
Average Home Value in this Area
Agents Specializing in La Mesa, CA
-
Martin Montesano
-
Jay Sener
Jay Sener
Molly Winkle, Broker
(858) 289-5777
17 Total Sales
1 in Casa de Oro-Mount Helix
$965,000 Price
-
Steve DonVito
Steve DonVito
DonVito Realty
(951) 447-8722
110 Total Sales
4 in Casa de Oro-Mount Helix
$680K - $950K Price Range
-
Alma Porras
Alma Porras
The Real Estate Solution
(858) 221-9714
47 Total Sales
1 in Casa de Oro-Mount Helix
$916,000 Price
-
Kim Hawley
Kim Hawley
Compass
(858) 264-3573
68 Total Sales
3 in Casa de Oro-Mount Helix
$1M - $1.3M Price Range
-
Craig Lotzof
Craig Lotzof
Responds QuicklyThe Agency
(858) 943-0497
117 Total Sales
2 in Casa de Oro-Mount Helix
$465K - $835K Price Range
Purchase History
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 | ||
| -- | Chicago Title | ||
| -- | -- |
Source: Public Records
Property History
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 |
Source: San Diego MLS
Tax History
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 |
Source: Public Records
Agents Affiliated with this Home
-
Barbara Mercer
B
Seller's Agent in 2025
Barbara Mercer
Mercer Investments Inc.
(619) 846-6140
13 Total Sales
-
Kelli Mercer
K
Seller Co-Listing Agent in 2025
Kelli Mercer
Mercer Investments Inc.
(619) 683-9274
15 Total Sales
-
Jared Nelson
Buyer's Agent in 2025
Jared Nelson
Compass
(619) 261-5524
70 Total Sales
Map
Source: San Diego MLS
MLS Number: 250031597
APN: 497-071-02
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