109 Costanza Dr, Martinez, California 94553, Martinez, 94553 - 4 bed, 3 bath
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109 Costanza Dr
Martinez, California 94553
ACTIVE
CONDITION: GOOD
4Beds
3Baths
2,938Sq Ft
33,480Lot Size
Property Price
LIST PRICE$1,425,000
EST. MARKET VALUE
$1,500,001
5% BelowMARKET VALUE
SUMMARY
This Single Family Residence is a Strong Value Opportunity, listed at $1,425,000—positioned well below the $1,500,001 Fair Market Value by 5%. This valuation gap offers $75,001 in Instant Equity. With a Condition Rating of 3, the home features a Granite Kitchen, Dual Zoned HVAC, and a Primary Suite Retreat. Its expansive 33,480 sq ft lot provides exceptional privacy and hill views. This property is an ideal acquisition for Owner-Occupants seeking a move-in ready sanctuary or discerning buyers prioritizing space and privacy.
Estimated Market Value
$1,500,001+$75,001 Equity Potential
Based on Realkey algorithm analyzing recent comparable sales in Martinez.
Comparable Sales Map
Comparables within 1 miles sold in recently
Map unavailable.
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 109 Costanza Dr Subject 4 bd · 3 ba · 2,938 sqft · $511 | $1,425,000* List Price | 4 | 3 | 2,938 | $511 | - |
A 16 Mcnamara Ln Sold 5 bd · 3 ba · 3,223 sqft · $492 · 0.3 mi | $1,585,000 | 5 | 3 | 3,223 | $492 | 0.3 mi |
* Subject property listed price vs sold prices of comps.
Condition Analysis
See Full ReportOVERALL CONDITION SCORE
Good
TeardownExcellent
Property is move-in ready.
While built in 1988, the property has undergone significant renovations (estimated 10-15 years ago) including a kitchen with granite slab countertops, cherry cabinetry, and stainless steel appliances. The home features updated dual-zoned HVAC, modern fixtures, and well-maintained interiors, making it move-in ready and functional.
PROSSTRENGTHS & OPPORTUNITIES
- High Available Lot Utilization
The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 33480, living area = 2938.
- Expansive Private Lot
Situated on a nearly 0.77-acre lot with no immediate front or rear neighbors, the property offers exceptional privacy and serene views of the surrounding Alhambra Valley hills.
- Versatile Floor Plan
The thoughtful 2,938 sq ft layout includes a highly desirable ground-floor bedroom and full bathroom, providing excellent flexibility for guests or multi-generational living.
CONSRISKS & DEFICIENCIES
- Late 80s Era Construction
Built in 1988, the home may require additional capital investment to modernize original architectural elements or aging systems not covered by recent cosmetic updates.
- Premium Price Point
Listed at $1.425M, the property is positioned at the higher end of the local market, which may limit the pool of qualified buyers compared to more entry-level options in Martinez.
About 109 Costanza Dr
OPEN HOUSE SAT & SUN 10/24 - 10/25 1PM-4PM Offering Nearly 3000 Sq Ft of Elegant Living Space, Nestled on a Large Lot with Nature as the Front & Rear Neighbors, This Home is a True Must See! The Thoughtful and Flexible Floor Plan is Complete with a Bedroom and Full Bath on the Ground Level, and 3 Generously Sized Bedrooms on the Second Floor. The Primary Suite Has Soaring Ceilings and Includes a Separate Retreat- Complete w/Fireplace- an Ideal Private Space to Relax and Enjoy the View of the Natural Surroundings. The Primary Bath Features a separate shower & jetted Tub and Spacious Walk-In Closets. The Inviting Kitchen Offers Ample Cherry Cabinetry, Stainless Steel Appliances and Granite Slab Counter Tops- and Opens to the Family Room. The Gracious Dining Room Opens to The Elegant Living Room - Creating an Ideal Space for Entertaining. Beautifully Landscaped Grounds, an Oversized Patio, a 3 Car Garage, Dual Zoned HVAC, Updated Fixtures and More!
Property Details
Public Facts
- Property Type
- Single Family Residence
- Year Built
- 1988
- Lot Size
- 33,480 Sq. Ft.
Interior
- Total Bedrooms
- 4
- Total Bathrooms
- 3 (3 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $0 / Month
Neighborhood Insights
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 4.0 | 3.4 |
| Baths | 3.0 | 2.0 |
| Square foot | 2,938 | 1,870.903 |
| Lot Size | 33,480 | 6,256.613 |
| Price | $1.43M | $858.7K |
| Price per sq ft | $485 | $493 |
| Built year | 1988 | 1967 |
| HOA | $0 | $157 |
| Days on market | 10 | 42 |
Pricing History
Listed for Sale
Oct 14, 2026
$1,425,000
Initial Listing
Sold
Dec 6, 2012
$667,500
Public Record