
318 Avenida Costanso, San Clemente, CA 92672
- 4 beds
- 4 baths
- 2,676 sq ft
- 7,100 sq ft lot
- Built 1980
Open house
Open Houses
The home
About 318 Avenida Costanso
Panoramic ocean and golf course views, a brand-new high-end remodel, and a rarely available Southeast San Clemente location come together at 318 Avenida Costanso. Perched above the San Clemente Municipal Golf Course, this 4-bedroom, 4-bath residence has been completely reimagined from top to bottom and has never been lived in since completion. Expansive views stretch across the golf course and Pacific Ocean from the Dana Point Headlands to Cottons Point. The home makes a striking first impression with incredible curb appeal and a coastal contemporary mid-century design that complements its surroundings. An all-new exterior, roof, windows, doors, and architectural details set the tone for what awaits inside. The main level begins with a formal entry providing access to the oversized two-car garage and an attached private casita. The casita features its own bedroom, living area, kitchenette, full bathroom, walk-in closet with laundry hookups, and private sauna. This unique space can function as guest quarters, a home office, gym, wellness retreat, or combination of uses. Upstairs, the home opens into a spacious great room with vaulted ceilings and panoramic Pacific Ocean and golf course views. The open-concept kitchen, dining, and living areas come together as the heart of the home, framed by large multi-slide doors connecting to the west-facing deck and California room—ideal for dining, entertaining, or relaxing while taking in the coastal setting. Adjacent to the kitchen, a covered backyard patio creates another outdoor living space overlooking the private rear yard. Three additional bedrooms are located upstairs, including the primary suite, each with its own en-suite bathroom. The primary suite features vaulted ceilings, a generous walk-in closet, and a spa-inspired bathroom finished with floor-to-ceiling stone. The private backyard features an in-ground spa, multiple areas for lounging and entertaining, and tiered planter beds with mature citrus trees. Nearly every element of the property has been upgraded, including a brand-new roof, air conditioning, windows, doors, exterior finishes, mechanical systems, and much more. Located just above the San Clemente Municipal Golf Course—known locally as “The Muni”—the home offers convenient access to the 5 Freeway and some of San Clemente’s best beaches and surf breaks, including world-famous Lowers Trestles. Project by Inspired Coastal Designs.
Property details for 318 Avenida Costanso
This 4-bedroom, 4-bath single-family home sits in San Clemente in Orange County. It offers 2,676 square feet of living space and is listed at $4,000,000, about $1,495 per square foot. The home was built in 1980. The MLS record lists the assessor parcel number as 060-083-30. Highlights include ocean and Catalina views, a private spa, a fireplace, an attached two-car garage, a 7,100-square-foot lot, and central air. The detail sections on this page cover interior and exterior features, estimated taxes, HOA dues where they apply, and the map location.
Specifications
Home Details
At a glance
- Price
- $4,000,000
- Days On Site
- New Today
- Bedrooms
- 4
- Inside Area (SqFt)
- 2,676 sqft
- Total Baths
- 4
- Full Baths
- 4
- Partial Baths
- N/A
- Lot Size
- 7,100 SqFt
- Year Built
- 1980
- MLS® Number
- OC26213782
- Status
- Active
- Property Tax
- N/A
- HOA/Condo/Coop Fees
- N/A
- Sq Ft Source
- Plans
General Features
- Property Type
- Single Family Residence
- MLS Number
- OC26213782
- Year Built
- 1980
- Living Area (sq ft)
- 2,676
- Living Area Source
- Plans
- Lot Size (sq ft)
- 7,100
- Lot Size (acres)
- 0.163
- Levels
- Two
- Bedrooms
- 4
- Full Baths
- 4
- Garage Spaces
- 2
- Parking Spaces
- 5
- View
- Catalina, Ocean, Panoramic, Water
- Parcel Number
- 06008330
- On Market Date
- 2026-10-01
- Listing Terms
- Standard
Interior Features
- Heating
- Central
- Cooling
- Central Air
- Fireplace
- Living Room
- Laundry
- Inside, In Garage, See Remarks, Upper Level
- Main Level Bedrooms
- 1
- Main Level Bathrooms
- 1
- Entry Level
- 1
- Common Walls
- No Common Walls
- Rooms
- Great Room
Exterior Features
- Lot Features
- Back Yard
- Pool Features
- None
- Spa
- In Ground, Private
- Sewer
- Public Sewer
- Water
- Public
- Units
- 1
Community Features
- Subdivision
- NONE
- Community Features
- Sidewalks
The record
Property History for 318 Avenida Costanso
| Date | Event | Price | Note |
|---|---|---|---|
| Oct 1, 2026 | Listed for sale | $4,000,000 | |
| May 22, 2025 | Sold | $1,995,000 | Berkshire Hathaway HomeService |
Cost of ownership
Estimated monthly payment
7.03% · 30-yr fixedEstimate only, not a loan offer or quote. Principal and interest use the Freddie Mac 30-year fixed average of 7.03% (week of Sep 24, 2026); your rate will differ. A loan this size is typically a jumbo loan, which prices differently. Tax and insurance are modelled, not billed amounts; tax uses a typical San Clemente rate, excluding Mello-Roos. Verify all figures. Full assumptions and disclosures.
Next steps
Buying 318 Avenida Costanso
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Selling near 318 Avenida Costanso
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The neighborhood
About San Clemente
San Clemente is the southernmost city in Orange County, founded in the 1920s by Ole Hanson as a Spanish Village by the Sea of white-stucco, red-tile-roofed homes overlooking the Pacific. Landmarks include the 1928 pier, the Beach Trail from North Beach to Calafia Beach, Avenida Del Mar, and the Capistrano Unified School District.
San Clemente home sales, past 12 months
- Homes sold
- 449
- Median price
- $1,920,000
- Median days on market
- 12
- Median per sq ft
- $821
Recorded MLS closings of single-family homes, Sep 24, 2025 to Sep 24, 2026. Days on market run from listing to going under contract.
Price per square foot against recent San Clemente sales
At $1,495 per square foot, this home's asking price is 82% above the San Clemente median of $821 for single-family homes that closed in the past 12 months.
Recent San Clemente sales
| Address | Closed | Price | Sq ft | Per sq ft | Days on market |
|---|---|---|---|---|---|
| 228 Calle Campesino | Sep 24, 2026 | $4,076,000 | 3,054 | $1,335 | 100 |
| 3334 Calle La Veta | Sep 24, 2026 | $1,175,000 | 1,489 | $789 | 61 |
| 127 Avenida Del Poniente | Sep 24, 2026 | $1,600,000 | 1,433 | $1,117 | 3 |
| 7 Campanilla | Sep 24, 2026 | $2,225,000 | 3,880 | $573 | 13 |
| 3336 Paseo Halcon | Sep 24, 2026 | $1,135,000 | 1,618 | $701 | 5 |
Schools
School District for 318 Avenida Costanso
As listed in the MLS record. Confirm attendance boundaries with the school district.
The MLS record lists the Capistrano Unified.
Living in San Clemente covers its schools, parks and beaches.
Location
Location
Photographs
Photos of 318 Avenida Costanso, San Clemente
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Listed by Casey Wootan of CENTURY 21 Affiliated
Listing information updated Oct 1, 2026 at 2:51 PM PT. Source: CRMLS.
This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. The display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.