318 Avenida Costanso
San Clemente, CA 92672
Listing broker / agent: CENTURY 21 Affiliated · Casey Wootan · 949-690-1592 · CRMLS
MLS # OC26213782 · Last checked Oct 20, 2026 11:03 UTC
About this property
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
- MLS number
- OC26213782
- Status
- Active
- Type
- Residential
- Subtype
- Single Family Residence
- Beds / baths
- 4 Beds • 4 Baths
- Living area
- 2,676 Sq Ft
- Lot size
- 0.163 acres
- County
- Orange
- Year built
- 1980
- Stories
- 2
More property detailsCollapse
Listing
- Days on market
- 11
Building
- Year built
- 1980
- Year built source
- Public Records
- Stories
- 2
- Building stories
- 2
- Levels
- Two
- Entry level
- 1
- Living area source
- Plans
Bathrooms
- Full bathrooms
- 4
Rooms & interior
- Main-level bedrooms
- 1
- Main-level bathrooms
- 1
- Rooms
- Great Room
- Heating
- Central
- Cooling
- Central Air
- Fireplace
- Living Room
- Laundry
- Inside, In Garage, See Remarks, Upper Level
Exterior & parking
- Total parking spaces
- 5
- Garage spaces
- 2
- Attached garage
- Yes
- Pool
- None
- Spa
- In Ground, Private
- Lot features
- Back Yard
- Lot size source
- Assessor
- Property outlook
- Catalina, Ocean, Panoramic, Water
Utilities & community
- Water
- Public
- Sewer
- Public Sewer
- Community features
- Sidewalks
Fees & lease terms
- Association
- No
- Association fee
- $0.00
Schools reported in the listing
- High school district
- Capistrano Unified
School information is supplied with the listing. Confirm current attendance boundaries and enrollment eligibility directly with the school district.
Nearby public schools
Nearby does not mean assigned. These are approximate straight-line distances from the property, not walking or driving routes. Confirm attendance boundaries, enrollment eligibility, grades and current school status directly with the district.
| School / district | Grades | Distance |
|---|---|---|
| Concordia Elementary (school website, opens in a new tab) Capistrano Unified · San Clemente | K–5 | 0.6 mi |
| San Onofre Elementary (school website, opens in a new tab) Fallbrook Union Elementary · San Clemente | K–8 | 1.6 mi |
| Clarence Lobo Elementary (school website, opens in a new tab) Capistrano Unified · San Clemente | K–5 | 2.3 mi |
| Las Palmas Elementary (school website, opens in a new tab) Capistrano Unified · San Clemente | K–5 | 2.4 mi |
| San Clemente High (school website, opens in a new tab) Capistrano Unified · San Clemente | 9–12 | 2.7 mi |
| Marblehead Flex Academy (school website, opens in a new tab) Capistrano Unified · San Clemente | K–5 | 3.4 mi |
| Shorecliffs Middle (school website, opens in a new tab) Capistrano Unified · San Clemente | 6–8 | 3.5 mi |
| Vista del Mar Elementary (school website, opens in a new tab) Capistrano Unified · San Clemente | K–5 | 4.2 mi |
Source: California Department of Education · 2025-26 school locations. Downloaded Oct 2, 2026 UTC. This annual snapshot may not reflect later changes. Public schools only; not a complete list of education options. No ratings or attendance assignments are provided.
Check the California School Directory ↗Price and tax history
Asking price
- Current asking price
- $4,000,000
- MLS-reported original asking price
- $4,000,000
| Observed (UTC) | Asking price |
|---|---|
| Oct 2, 2026 06:04 | $4,000,000 |
MLS values are reported for this listing, not prior sales. Observation dates show when our importer saw an asking price, not when the MLS changed it. Up to 24 observations are retained; changes between refreshes may be missed. This is not a complete price or sales history.
Property taxes
Tax history is not available from the imported listing data.
Source: MLS feed. Only supplied tax years are shown, up to 10 years; this is not a county tax archive. Amounts may be corrected and taxes may change after purchase. Verify assessments and current taxes with the county. These values do not automatically fill the payment calculator.
Market trends in San Clemente
Active residential homes for sale in San Clemente, CA, available through this website's authorized feed. Includes residential subtypes; excludes rentals. Not the entire market or a valuation of this property.
Observed price activity · past 30 days
21 currently active listings have an observed price-change pair ending in this period. A listing can appear in both counts.
Calculated 2026-10-20 11:48 UTC. Source: this website's authorized MLS inventory. Import progress, freshness rules and coverage affect the figures. Medians exclude missing/invalid values; price per sq ft is the median of individual listing ratios. Price observations are limited to the last 24 per listing and may miss changes between refreshes. This is not a complete 30-day market report, historical inventory trend, appreciation measure, or sold-price analysis.
Payment calculator
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Illustration only—not a rate quote, preapproval, lending offer or affordability determination. Assumes equal monthly payments on a fully amortizing fixed-rate loan; no adjustable rates, interest-only periods or balloon payments. Excludes closing costs, utilities, maintenance, special assessments and other unentered costs. Actual payments and escrow can differ. Review a Loan Estimate with your lender.
Understanding homeownership costs — CFPB ↗