$4,695,000
Sold
313 -23 E. 21st Street sold on July 7, 2023 for $4,950,000. The details are below for reference.
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313 -23 E. 21st Street, Costa Mesa, CA 92627
- 8,321 sq ft
- Built 1964
$4,950,000
The home
About 313 -23 E. 21st Street
Welcome to 313-23 E. 21st Street in Costa Mesa's premier Eastside submarket. This 24,600 Sq. Ft. (.56 AC) parcel has a detached 4-Bedroom/3-Bathroom Single Family Residence with a 1-Bedroom casita and attached Double Garage. The house has extensive remodeling with hardwood floors throughout and highly upgraded appliances. The casita can easily be converted into an official 1-Bedroom ADU with its private yard and parking.
The five (5) apartment units are comprised of (1) massive 1-Bedroom/1-Bathroom units with their own attached garage and private yard, and (4) 2-Bedroom/1-Bathroom units, three of which are single stories. One of the 2-Bedroom units is completely detached with its own private yard, and the 2-Bedroom units are over garages. Each unit also has(1) single-car garage and (1) open space.
All units have recently been painted with new facia boards and new landscaping and all of the units have undergone renovations in this pride of ownership property.
Property details for 313 -23 E. 21st Street
This apartment sits in the Eastside Costa Mesa neighborhood of Costa Mesa in Orange County. It offers 8,321 square feet of living space. The home was built in 1964. The MLS record lists the assessor parcel number as 426-221-27. Highlights include single-story living and a seven-car garage. 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
- $4,950,000
- Days On Site
- N/A
- Bedrooms
- N/A
- Inside Area (SqFt)
- 8,321 sqft
- Total Baths
- N/A
- Full Baths
- N/A
- Partial Baths
- N/A
- Lot Size
- N/A
- Year Built
- 1964
- MLS® Number
- PW23046385
- Status
- Sold
- Property Tax
- N/A
- HOA/Condo/Coop Fees
- N/A
- Sq Ft Source
- N/A
General Features
- Property Type
- Apartment
- MLS Number
- PW23046385
- Year Built
- 1964
- Lot Size (sq ft)
- 24,611
- Lot Size (acres)
- 0.565
- Levels
- One, Two
- Garage Spaces
- 7
- Parking Spaces
- 15
- Parcel Number
- 42622127
- On Market Date
- 2023-03-21
- Listing Terms
- Standard
Interior Features
- Laundry
- Common Area
- Common Walls
- One Common Wall
Exterior Features
- Lot Features
- Six To Ten Units Acre
- Pool Features
- None
- Sewer
- Public Sewer
- Water
- Public
- Units
- 6
Community Features
- Subdivision
- Eastside Costa Mesa
- Community Features
- Biking, Curbs, Gutters, Storm Drains, Sidewalks
The record
Property History for 313 -23 E. 21st Street
| Date | Event | Price | Note |
|---|---|---|---|
| Jul 7, 2023 | Sold | $4,950,000 | |
| Jun 14, 2023 | Status changed to Pending | From Active Under Contract | |
| Apr 26, 2023 | Status changed to Active Under Contract | From Active | |
| Mar 21, 2023 | Listed for sale | $5,400,000 |
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 313 -23 E. 21st Street
We looked up this home's map point in public government maps. These facts are not part of the MLS listing.
Hazard and noise zones
- Flood zone
Zone X, area of minimal flood hazard. Outside FEMA's Special Flood Hazard Area.
FEMA National Flood Hazard Layer, FIRM panel 06059C0269K effective March 21, 2019. 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.
- Airport noise
Outside John Wayne Airport's 60 dB CNEL noise contour, 0.5 miles from it.
Airport Land Use Commission for Orange County, Airport Environs Land Use Plan noise contours. Checked October 15, 2026.
Internet and charging
- Fixed internet
Fiber: AT&T, up to 5,000 Mbps, at 59 of 122 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 122 of 122. DSL: AT&T, up to 100 Mbps, at 33 of 122.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590631032000, not for this address. Not endorsed by the FCC. Checked October 15, 2026.
- EV charging
Nearest public charger 0.8 miles away (ChargePoint, 2 Level 2 ports). 507 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
Next steps
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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.
See 1 home for sale in Eastside Costa Mesa Costa Mesa housing market
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Listed by Nick Gould of Morgan Skenderian
Listing information updated Jul 7, 2023 at 1:50 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.