1603 Sea Horse Circle, Costa Mesa, CA 92627
- 4 beds
- 3 baths
- 2,315 sq ft
- Built 1989
$2,195,000
Subdivision Eastside Heights
The home
About 1603 Sea Horse Circle
Tucked away in the heart of Eastside Costa Mesa, South of 17th Street, this beautifully updated four-bedroom residence offers the perfect blend of modern style, comfort, and indoor-outdoor living. A dramatic vaulted ceiling, abundant natural light, wide-plank flooring, and a custom fireplace create a warm and inviting atmosphere from the moment you enter. The open-concept living and dining areas flow effortlessly into a thoughtfully updated kitchen featuring rich navy cabinetry, quartz countertops, a farmhouse sink, stainless steel appliances, and designer lighting. Upstairs, four spacious bedrooms provide flexibility for family, guests, or a dedicated home office. The primary suite offers a relaxing retreat with vaulted ceilings, a striking accent wall, and a beautifully appointed bathroom featuring dual sinks and a separate soaking tub. Outside, the private backyard is designed for year-round enjoyment, with low-maintenance landscaping, lush privacy hedges, ambient string lighting, and multiple areas for lounging, dining, and entertaining. Additional highlights include an attached two-car garage, central air conditioning, and a desirable location within a charming four-home community. Just moments from the shops and restaurants of 17th Street, neighborhood parks, and the beaches of Newport Beach, this home offers the best of the Eastside lifestyle with the comfort and convenience of a thoughtfully designed retreat.
Property details for 1603 Sea Horse Circle
This 4-bedroom, 3-bath condo sits in the Eastside Heights neighborhood of Costa Mesa in Orange County. It offers 2,315 square feet of living space and is listed at $2,195,000, about $948 per square foot. The home was built in 1989. The MLS record lists the assessor parcel number as 937-210-17. Highlights include a fireplace, an attached two-car garage, central air, and an updated home. 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
- $2,195,000
- Days On Site
- 3 Days
- Bedrooms
- 4
- Inside Area (SqFt)
- 2,315 sqft
- Total Baths
- 3
- Full Baths
- 2
- Partial Baths
- 1
- Lot Size
- N/A
- Year Built
- 1989
- MLS® Number
- NP26222197
- Status
- Active
- Property Tax
- N/A
- HOA/Condo/Coop Fees
- $230 monthly
- Sq Ft Source
- Assessor
General Features
- Property Type
- Condominium
- MLS Number
- NP26222197
- Year Built
- 1989
- Living Area (sq ft)
- 2,315
- Living Area Source
- Assessor
- Lot Size (sq ft)
- 3,900
- Lot Size (acres)
- 0.0895
- Levels
- Two
- Bedrooms
- 4
- Full Baths
- 2
- Half Baths
- 1
- Garage Spaces
- 2
- Parking Spaces
- 2
- View
- None
- HOA Dues
- $230
- HOA Frequency
- Monthly
- HOA Name
- Sea Horse Circle
- Parcel Number
- 93721017
- On Market Date
- 2026-10-16
- Listing Terms
- Standard
Interior Features
- Interior Features
- Wet Bar, Breakfast Bar, Built In Features, Cathedral Ceilings, Separate Formal Dining Room, Quartz Counters, Bar, All Bedrooms Up
- Appliances
- Dishwasher, Electric Oven, Disposal, Refrigerator
- Flooring
- Wood
- Heating
- Central, Fireplaces
- Cooling
- Central Air
- Fireplace
- Living Room
- Laundry
- Laundry Room
- Main Level Bathrooms
- 1
- Entry Level
- 1
- Common Walls
- One Common Wall
- Rooms
- Laundry, Bathroom, Kitchen, Dining Room, Bedroom, Living Room
Exterior Features
- Parking
- Direct Access, Garage
- Pool Features
- None
- Spa
- None
- Sewer
- Public Sewer
- Water
- Public
- Condition
- Updated Remodeled
- Units
- 4
Community Features
- Subdivision
- Eastside Heights (EHCM)
- Community Features
- Street Lights
- Association Amenities
- Maintenance Grounds, Management, Water
The record
Property History for 1603 Sea Horse Circle
| Date | Event | Price | Note |
|---|---|---|---|
| Oct 16, 2026 | Listed for sale | $2,195,000 | |
| Feb 13, 2024 | Sold | $1,920,000 | Surterre Properties Inc. |
| Apr 29, 2019 | Sold | $980,000 | The Nahin Group |
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 1603 Sea Horse Circle
We looked up this home's map point in public government maps. These facts are not part of the MLS listing.
Hazard zones
- Flood zone
Zone X, area of minimal flood hazard. Outside FEMA's Special Flood Hazard Area.
FEMA National Flood Hazard Layer, FIRM panel 06059C0268J effective December 3, 2009. Checked October 15, 2026.
- Fire hazard severity zone
Not in a fire hazard severity zone on the State Fire Marshal's map.
CAL FIRE, State Fire Marshal map for Local Responsibility Areas, March 24, 2025. Checked October 15, 2026.
- Earthquake fault zone
Outside the Alquist-Priolo Earthquake Fault Zones.
California Geological Survey, Earthquake Fault Zones map, Newport Beach quadrangle, released July 1, 1986. Checked October 15, 2026.
- Liquefaction zone
Outside the liquefaction zones.
California Geological Survey, Seismic Hazard Zones map, Newport Beach quadrangle, released April 15, 1998. Checked October 15, 2026.
- Landslide zone
Outside the earthquake-induced landslide zones.
California Geological Survey, Seismic Hazard Zones map, Newport Beach quadrangle, released April 15, 1998. Checked October 15, 2026.
Internet and charging
- Fixed internet
Fiber: AT&T, up to 5,000 Mbps, at 53 of 55 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 55 of 55. DSL: AT&T, up to 100 Mbps, at 2 of 55.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590633024003, not for this address. Not endorsed by the FCC. Checked October 15, 2026.
- EV charging
Nearest public charger 0.7 miles away (Blink, 2 Level 2 ports). 324 public charging ports within 3 miles.
U.S. Department of Energy, Alternative Fuels Data Center. Straight-line distance. Checked October 15, 2026.
These facts are for the listing's map point, which can sit off the lot. A zone line can also cross a lot, and agencies revise their maps. In cities, the fire zone line follows the State Fire Marshal's 2025 map; each city adopts its own map and may add areas. These lines are not a Natural Hazard Disclosure. Check the official maps and the seller's disclosures before you rely on them. Sources for the earthquake zone lines: Reproduced with permission, California Geological Survey, Webservice of Official Maps of Alquist-Priolo Earthquake Fault Zones (2025). Reproduced with permission, California Geological Survey, Webservice of Official Maps of Seismic Hazard Zones (2025).
Official maps
Cost of ownership
Estimated monthly payment
7.40% · 30-yr fixed$
$17,566/mo
10% down · 30-year fixed · $219,500 down
Principal & interest$13,678
Mortgage insurance (est., over 80% LTV)$823
Property tax (est. 1.2%)$2,195
Home insurance (rough est., varies widely)$640
HOA from listing$230
$15,223/mo
20% down · 30-year fixed · $439,000 down
Principal & interest$12,158
Property tax (est. 1.2%)$2,195
Home insurance (rough est., varies widely)$640
HOA from listing$230
$13,703/mo
30% down · 30-year fixed · $658,500 down
Principal & interest$10,638
Property tax (est. 1.2%)$2,195
Home insurance (rough est., varies widely)$640
HOA from listing$230
Estimated carrying cost
$3,065/mo
All cash · taxes and insurance only
Principal & interestNone (cash purchase)
Property tax (est. 1.2%)$2,195
Home insurance (rough est., varies widely)$640
HOA from listing$230
Estimate only, not a loan offer or quote. Principal and interest use the Freddie Mac 30-year fixed average of 7.40% (week of Oct 15, 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 Costa Mesa rate, excluding Mello-Roos. Verify all figures. Full assumptions and disclosures.
Next steps
Buying 1603 Sea Horse Circle
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Selling near 1603 Sea Horse Circle
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The neighborhood
About Costa Mesa
Costa Mesa sits on the coastal tableland of central Orange County, bordered by Santa Ana, Huntington Beach, and Newport Beach, with its southern edge about a mile from the Pacific. South Coast Plaza, the Segerstrom Center for the Arts, the Orange County Fairgrounds, Orange Coast College, and the Eastside and Mesa Verde neighborhoods all fall within the Newport-Mesa Unified School District.
Costa Mesa home sales, past 12 months
- Homes sold
- 74
- Median price
- $967,500
- Median days on market
- 21
- Median per sq ft
- $706
Recorded MLS closings of condos, Oct 12, 2025 to Oct 12, 2026. Days on market run from listing to going under contract.
Price per square foot against recent Costa Mesa sales
At $948 per square foot, this home's asking price is 34% above the Costa Mesa median of $706 for condos that closed in the past 12 months.
Recent Costa Mesa sales
| Address | Closed | Price | Sq ft | Per sq ft | Days on market |
|---|---|---|---|---|---|
| 1675 Grand View | Oct 8, 2026 | $1,642,500 | 2,265 | $725 | 19 |
| 2157 Pacific Avenue B202 | Sep 29, 2026 | $1,150,000 | 1,445 | $796 | 5 |
| 1940 Maple Avenue 111 | Sep 28, 2026 | $755,000 | 1,170 | $645 | 62 |
| 2626 Santa Ana 3 | Sep 18, 2026 | $1,060,000 | 1,462 | $725 | 26 |
| 2680 Orange J | Sep 10, 2026 | $1,120,000 | 1,650 | $679 | 13 |
Schools
School District for 1603 Sea Horse Circle
As listed in the MLS record. Confirm attendance boundaries with the school district.
The MLS record lists the school district as Newport Mesa Unified.
Living in Costa Mesa covers its schools, parks and beaches.
Location
Location
Photographs
Photos of 1603 Sea Horse Circle, Costa Mesa
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Listed by Sara Legrand of Surterre Properties Inc.
Listing information updated Oct 18, 2026 at 4:49 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.