Seller's Agent in 2025
John Castillo
Coldwell Banker Realty
(760) 807-6297
17 in this area
50 Total Sales
657 Gemstone Dr San Marcos, CA 92078
Barham Discovery Community Neighborhood
4
Beds
3
Baths
2,458
Sq Ft
5,000
Sq Ft Lot
Highlights
- Heated In Ground Pool
- View of Hills
- Bonus Room
- Discovery Elementary School Rated A
- Traditional Architecture
- Outdoor Cooking Area
About This Home
As of June 2025Welcome to 657 Gemstone Drive, San Marcos a beautifully upgraded home in the highly sought-after Rancho Tesoro community! This spacious Model Vientos Plan 1R offers 2,458 sq ft of thoughtfully designed living space and boasts a seamless blend of luxury and comfort. The open-concept floor plan features 4 bedrooms (including one bedroom and full bath on the main level), 3 bathrooms, and a versatile upstairs loft perfect as a bonus room or office. Step inside to find stunning custom upgrades throughout, including a bright, modern kitchen with shaker-style vinyl cabinets, designer tile backsplash, and premium finishes. The grand entry showcases 9-foot ceilings, leading to indoor/outdoor living spaces ideal for entertaining. Upstairs, the expansive master retreat offers a peaceful escape, complemented by a large laundry room and generously sized bedrooms. Additional highlights include upgraded custom flooring, Lutron smart lighting, and a fully landscaped backyard with turf for easy maintenance and plenty of space to relax or host guests. All appliances including washer and dryer are included with the home. Rancho Tesoro offers resort-style amenities such as a pool with cabanas, BBQ areas, firepits, three parks, and a playground. Enjoy breathtaking mountain views and the convenience of being minutes from the 78 freeway, all within a top-rated school district. Low HOA and Mello-Roos fees make this an exceptional opportunity to own in one of San Marcos’ premier communities. Don’t miss it!
Last Agent to Sell the Property
Coldwell Banker Realty Brokerage Email: juan.p.castillo@me.com License #02020554 Listed on: 05/15/2025
Home Details
Home Type
- Single Family
Year Built
- Built in 2018
Lot Details
- 5,000 Sq Ft Lot
- Vinyl Fence
- Level Lot
- Front Yard
HOA Fees
- $230 Monthly HOA Fees
Parking
- 2 Car Attached Garage
- 2 Carport Spaces
Home Design
- Traditional Architecture
- Entry on the 1st floor
- Turnkey
Interior Spaces
- 2,458 Sq Ft Home
- 2-Story Property
- Insulated Doors
- Entryway
- Family Room Off Kitchen
- Living Room
- Dining Room
- Home Office
- Bonus Room
- Tile Flooring
- Views of Hills
- Breakfast Bar
Bedrooms and Bathrooms
- 4 Bedrooms | 1 Main Level Bedroom
- Walk-In Closet
- 3 Full Bathrooms
Laundry
- Laundry Room
- Laundry on upper level
- Dryer
- Washer
Pool
- Heated In Ground Pool
- Fence Around Pool
Additional Features
- ENERGY STAR Qualified Equipment
- Covered Patio or Porch
- Central Heating and Cooling System
Listing and Financial Details
- Tax Tract Number 13290
- Assessor Parcel Number 2221730802
- $2,697 per year additional tax assessments
Community Details
Overview
- Front Yard Maintenance
- Rancho Tesoro Association, Phone Number (760) 634-4700
- Prescott Communities HOA
- Brookfield
- Maintained Community
- Foothills
Amenities
- Outdoor Cooking Area
- Community Fire Pit
- Community Barbecue Grill
- Picnic Area
Recreation
- Community Playground
- Community Pool
- Park
- Hiking Trails
- Bike Trail
Security
- Resident Manager or Management On Site
Ownership History
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
May 15, 2025
Closed on
Jun 2, 2025
Sold by
Mlynarski Family Trust and Mlynarski John Joseph
Bought by
Shah Dhaval H and Mahansaria Medhavi
Seller's Agent
John Castillo
Coldwell Banker Realty
Buyer's Agent
Ramkumar Ethirajan
Rise Realty
List Price
$1,200,000
Sold Price
$1,150,000
Premium/Discount to List
-$50,000
-4.17%
Views
36
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
$2,243
Avg. Annual Appreciation
0.32%
Original Mortgage
$920,000
Outstanding Balance
$916,130
Interest Rate
5.75%
Mortgage Type
New Conventional
Estimated Equity
$236,113
Purchase Details
Closed on
Jun 30, 2020
Sold by
Miynarski John Joseph and Miynarski Alyssa Marie
Bought by
Miynarski John Joseph and Miynarski Alyssa Marie
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$440,000
Interest Rate
3.2%
Mortgage Type
New Conventional
Purchase Details
Closed on
Mar 3, 2020
Sold by
Mlynarski Alyssa and Mlynarski John
Bought by
Mlynarski John Joseph and Mlynarski Alyssa Marie
Purchase Details
Closed on
Oct 11, 2018
Sold by
Brookfield Homes Southern California Llc
Bought by
Mlynarski Alyssa and Mlynarski John
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$465,000
Interest Rate
4.9%
Mortgage Type
New Conventional
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area
Home Values in the Area
Average Home Value in this Area
Purchase History
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Grant Deed | $1,150,000 | Chicago Title | |
| Interfamily Deed Transfer | -- | Lawyers Title | |
| Interfamily Deed Transfer | -- | Lawyers Title | |
| Interfamily Deed Transfer | -- | None Available | |
| Warranty Deed | $722,500 | First American Title Company |
Source: Public Records
Mortgage History
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $920,000 | New Conventional | |
| Previous Owner | $440,000 | New Conventional | |
| Previous Owner | $465,000 | New Conventional |
Source: Public Records
Property History
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 06/06/2025 06/06/25 | Sold | $1,150,000 | -4.2% | $468 / Sq Ft |
| 05/22/2025 05/22/25 | Pending | -- | -- | -- |
| 05/15/2025 05/15/25 | For Sale | $1,200,000 | -- | $488 / Sq Ft |
Source: California Regional Multiple Listing Service (CRMLS)
Tax History Compared to Growth
Tax History
| 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 |
|---|---|---|---|---|
| 2025 | $11,439 | $805,935 | $334,654 | $471,281 |
| 2024 | $11,439 | $790,134 | $328,093 | $462,041 |
| 2023 | $11,189 | $774,642 | $321,660 | $452,982 |
| 2022 | $10,957 | $759,453 | $315,353 | $444,100 |
| 2021 | $10,719 | $744,563 | $309,170 | $435,393 |
| 2020 | $10,596 | $736,929 | $306,000 | $430,929 |
| 2019 | $10,459 | $722,480 | $300,000 | $422,480 |
Source: Public Records
Agents Affiliated with this Home
-
John Castillo
-
Ramkumar Ethirajan
Buyer's Agent in 2025
Ramkumar Ethirajan
Rise Realty
(858) 837-2413
5 in this area
56 Total Sales
Map
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: NDP2504780
APN: 222-173-08-02
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Based on information from California Regional Multiple Listing Service, Inc. and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information
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