421 E 20th St, Costa Mesa, CA 92627
OFF MARKET

421 E 20th St
Costa Mesa, CA 92627

  • 3 Beds
  • 2 Baths
  • 1,200 sqft

$1,598,000

Trulia Estimate
as of Aug 14, 2026
Est. Refi. Payment $9,534/mo*
Refinance Your Home

$1,598,000

Trulia Estimate
as of Aug 14, 2026
Est. Refi. Payment $9,534/mo*
Refinance Your Home
3 Beds
2 Baths
1,200 sqft

Home Value

Trulia Estimate
$1.6M
Since last month
Decreased$48K (-2.9%)
Since last year
Increased$104K (+7%)
Since last sale
Increased$1M (+294.4%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +48% in the last 10 years
MonthEstimated value
2026
August 2026$1.59M
July 2026$1.63M
June 2026$1.64M
May 2026$1.65M
April 2026$1.66M
March 2026$1.7M
February 2026$1.65M
January 2026$1.56M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
415 Walnut Pl, Costa Mesa, CA
0.11
Single-Family Home
$3,175,000
07/28/26
3
2
1,430
394 E 20th St, Costa Mesa, CA
0.09
Single-Family Home
$1,650,000
02/17/26
2
1.5
1,035
2032 Aliso Ave, Costa Mesa, CA
0.14
Single-Family Home
$2,475,000
08/11/26
3
2
1,543
300 Alva Ln, Costa Mesa, CA
0.30
Single-Family Home
$1,850,000
04/27/26
3
2
1,512
277 Esther St, Costa Mesa, CA
0.37
Single-Family Home
$1,750,000
10/15/25
3
2
1,047
370 E 19th St, Costa Mesa, CA
0.25
Single-Family Home
$2,280,000
01/16/26
3
2
1,648
270 Broadway, Costa Mesa, CA
0.50
Single-Family Home
$1,000,000
12/05/25
3
2
1,372
2024 Diana Ln, Newport Beach, CA
0.30
Single-Family Home
$2,608,000
12/02/25
3
2
1,187
288 E Bay St, Costa Mesa, CA
0.37
Single-Family Home
$1,500,000
12/31/25
3
2
1,600
2022 Paloma Dr, Costa Mesa, CA
0.17
Single-Family Home
$2,500,000
07/27/26
3
2
1,572

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
445 E 20th St, Costa Mesa, CA 92627
0.05
$5,079,800
2
2.5
2,293
Off Market
423 Esther St, Costa Mesa, CA 92627
0.07
$2,252,400
3
1
1,388
Off Market
2015 Aliso Ave, Costa Mesa, CA 92627
0.09
$2,544,700
3
2
1,536
Off Market
1955 Aliso Ave, Costa Mesa, CA 92627
0.11
$2,640,200
4
2
2,367
Off Market
390 Esther St, Costa Mesa, CA 92627
0.08
$3,451,200
5
3.5
2,530
Off Market
1951 Aliso Ave, Costa Mesa, CA 92627
0.12
$3,038,000
3
2.5
2,532
Off Market
394 E 20th St, Costa Mesa, CA 92627
0.09
$1,650,000
2
1.5
1,035
Recently Sold
415 Walnut Pl, Costa Mesa, CA 92627
0.11
$3,175,000
3
2
1,430
Recently Sold
478 E 20th St, Costa Mesa, CA 92627
0.15
$3,040,000
4
3
2,306
Off Market
2032 Aliso Ave, Costa Mesa, CA 92627
0.14
$2,475,000
3
2
1,543
Recently Sold
418 E Bay St, Costa Mesa, CA 92627
0.13
$2,450,000
3
2
1,976
For Sale
380 E 20th St, Costa Mesa, CA 92627
0.12
$3,092,100
5
3
2,106
Off Market

Local Information

  • Map ViewExplore the area around 421 E 20th St.
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1965
Living Area
1,200 sqft
Price/Sqft
$1,332
Parking
Garage

About this House

Great single family detached home on cul de sac! Large yard with brick patio, in desirable Costa Mesa neighborhood. Call Owner with any questions
421 E 20th St, Costa Mesa, CA 92627 is a 3 bedroom, 2 bathroom, 1,200 sqft single-family home built in 1965. It last sold for $402,500 on Aug 11, 2011. More recently, it was listed as a rental in January 2013 with an asking price of $2,800 per month. That rental listing was removed on January 23, 2013. It is currently off market. The Trulia Estimate is $1,598,000, with a rent estimate of $4,976/month.

Home Details for 421 E 20th St

Interior Features

Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1Floors: Tile, Carpet
Interior Details
Number of Rooms: 3

Exterior Features

Exterior Home Features
Roof: Other
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 1965
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 1

Lot Information

Lot Area: 6300 sqft

Price and Tax history

DateEventPrice
Jan 23, 2013
Source: Agent Provided
ListingRemoved
$2,800
Jan 15, 2013
Source: Agent Provided
Listed For Rent
$2,800
Aug 11, 2011
Source: N/A
Sold
$402,500

Market trends in Costa Mesa

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.38M
$7.13KMoM
Sale-to-List Price
99.0%
1.1%MoM
Price per sq ft
$834
$13MoM
Available listings
165
1MoM
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Around this home

View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Costa Mesa

At least 987 Trulia users voted on each feature.

  • 92 % Say it's dog friendly

  • 89 % Say there are sidewalks

  • 84 % Say car is needed

  • 78 % Say it's walkable to restaurants

  • 71 % Say there's holiday spirit

  • 70 % Say it's walkable to grocery stores

  • 66 % Say streets are well-lit

  • 66 % Say people would walk alone at night

  • 62 % Say yards are well-kept

  • 61 % Say parking is easy

  • 61 % Say kids play outside

  • 54 % Say it's quiet

  • 54 % Say they plan to stay for at least 5 years

  • 54 % Say neighbors are friendly

  • 50 % Say there's wildlife

  • 27 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • 4qrsyhj9hv
    "I live here for almost 3 years the area is nice and quiet good neighborhood and clean air Newport Beach is close to my apartment and shops everything "
    0
    Flag
  • 4qrsyhj9hv
    "I’m live in Costa Mesa since in 3 years the area is safe and Nighborhod is safe and close to Newport Beach and fun places "
    0
    Flag
  • Kayla Marie
    "Public transit is amazing in this city, bus comes every 20 mins in most areas here (: Even riding my bike is a great way to get around, everything is super close and I have really enjoyed the mostly flat streets and bike lanes provided by the city"
    0
    Flag
  • Luka J
    "Close to all freeways. My commute is only 12-18 minutes depending on traffic. Even with traffic I have access to backstreets if needed."
    0
    Flag
  • Lyndsay Jackson
    "Eastside Costa Mesa is a family friendly neighborhood. Backbay is a good place to exercise and meet up with friends for a casual walk "
    0
    Flag
  • ssbiken
    "It’s a safe neighborhood very nice community park.well lit has pool, tennis, racket ball courts clean bathrooms and out side shower after swimming in the pool to rinse off"
    0
    Flag
  • Albert Luu
    "OC Fair holding events weekly and Segerstrom Performing Art Center having great events weekly. Also the availability of many restaurants all within a short drive. "
    0
    Flag
  • Mrobbins055
    "It’s on the boarder of Newport and Costa Mesa and it feels very safe. I walk with my baby and dog daily."
    0
    Flag
  • ssbiken
    "You can walk to the mall and grocery store if you wanted to.The bus is within walking distance. Nice area to live for people with children."
    0
    Flag
  • Tina Gutierrez
    "I have a hybrid work schedule and am lucky enough to not have to commute on thee freeway unless I want to. "
    1
    Flag
  • ssbiken
    "A well kept environment owner show that they are proud of their community. It is a great place to raise children, dog friendly and close to stores, restaurants, and local mall."
    1
    Flag
  • Tina Gutierrez
    "A mix of old and new homes with generous sprinkles of rentals. Very walk-friendly with a neighborhood feel. Lots of spots to eat and grab drinks. "
    1
    Flag
  • Trulia User
    "New development mixed with 1950-1960 older housing. Shaved driveways mixed with track homes. Good schools and well maintained parks."
    0
    Flag
  • Trulia User
    "The back bay is by far the best benefit of living in this neighborhood. Lots of noise from the airport but you get used to it. "
    0
    Flag
  • Trulia User
    "Everyone smiles as you walk by on the sidewalk. Very friendly people. Considerate neighbors. A few bad apples, but that’s everywhere. "
    4
    Flag
  • Maria M.
    "Very important for parents to know that our neighborhoods are over populated and unfortunately we no longer have the the city of Costa Mesa code enforcement making sure codes are being enforced. To many fast food restaurants that people litter and drive very fast in residential areas. "
    40
    Flag
  • Crashowe
    "Different styles of houses and different ethnicities , cozy home - some not too big or too new etc etc "
    0
    Flag
  • Cristina
    "People walk their dogs all of the time. Poop bags available as well to keep the community clean. "
    0
    Flag
  • Sheryldye
    "Great access to freeways and major roads . Less than 5 minutes to South Coast Plaza , movie theaters and multiple grocery stores . "
    8
    Flag
  • Jimmy H.
    "Very centrally located, for shops, groceries, freeways and my work. I lived here on and off for many years. "
    2
    Flag
  • Lauriehipp
    "My neighborhood provides great public access and well lit sidewalks. We have a well working traffic lights and signs for us to get directions. "
    0
    Flag
  • Nicweinstein
    "Accessibility from residential to freeways, shops, ocean with lots of great hangs all close to each other!"
    0
    Flag
  • Kym M.
    "OC Fair comes from July through August in the summertime. But Costa Mesa doesn’t really have a lot of community events. "
    0
    Flag
  • Sarah T.
    "I live in a gated community and feel safer that way. I would say the surrounding apartments/neighborhoods aren’t as nice as my community but if you drive 2-3min in each direction it’s a lot nicer over there. Like that I’m only 15min away from the beach too"
    9
    Flag
  • Cassandra M.
    "there are a lot of people who walk their dogs in this area - dogs of all sizes! There are not a ton of huge lawns. "
    0
    Flag
  • Destiny
    "coyotes are a real big problem there are a lot of different sectors of Costa Mesa. mostly nice got families. "
    0
    Flag
  • Amyshepherd
    "Dog parks could be better maintained, and area could be more dog friendly, but there have been improvements, more restaurants / business allow dogs"
    0
    Flag
  • Destiny
    "mostly family oriented. certain neighborhoods get to know eachother more than others. not all neighborhoods are equal. all four corners are very different neighborhoods in their own special way."
    0
    Flag
  • Mmhauser1
    "Limited sidewalks and lots of joggers/ walkers make it difficult during rush hour to pass other fellow walkers "
    0
    Flag
  • Arutianr
    "There are a lot of events like concerts in the park, annual fish fry, and neighborhood gatherings to build community"
    0
    Flag
  • Azucena R. G.
    "alot of the community around have dogs and plenty love to walk them around their neighborhoods theres also a dog park driving distance near that's on Newport boulevard going South bound by the fair grounds. just always remember to take ur goody bag with u in order to always pick up after ur canine. and always their water. "
    4
    Flag
  • Diana L.
    "Nice close to john Wayne shopping malls everything Is Close by. Ppl are kind Trader Joe’s is up the block Bloomies is down the street and a lot of restaurants "
    0
    Flag
  • Seanpatrick7
    "Lots of folks walking their dogs. However, sometimes there are liquor bottles, chicken bones, or other dangerous items on the sidewalks."
    1
    Flag
  • Dan D.
    "Up and coming neighbored people are nice lots of good schools and restaurants . Beach close and good coastal breezes "
    1
    Flag
  • Joelle S.
    "We’re right next to the OC fairgrounds. There’s always an event going on. It’s close to the freeway for travel. The location close to Back Bay which is great for walks or workouts. "
    1
    Flag
  • Hookashley
    "The neighborhood has lots of local, walkable restaurants. Plus, many more opening every month... lots of growth here."
    1
    Flag
  • Joannbkenyon
    "Great neighborhood but most parents take their kids to other schools in the Mesa Verde area. Great trick or treating. Great for walking and biking around. "
    1
    Flag
  • dorothy p
    "orange county fair grounds, lots of churches, south coast plaza, orange coast college, triangle square entertainment center, the beaches."
    1
    Flag
  • Jon D.
    "It’s great to walk your kids and your dogs in the evening but it doesn’t make sense not to pick up after your dog"
    1
    Flag
  • Azucenagarcia8823
    "we have firefighters open houses, community events, womens community clubs, for 4th of july theres always local schools being represented. "
    0
    Flag

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Apartments for Rent

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Explore by feature - Pet Friendly

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Homes for sale near 421 E 20th St

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Off Market Homes Near 421 E 20th St

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Frequently asked questions about 421 E 20th St

  • What is 421 E 20th St estimated to be worth?
    Trulia's estimated value for 421 E 20th St in Costa Mesa, CA is $1,598,000.
  • What is the price history for 421 E 20th St?
    421 E 20th St in Costa Mesa, CA last sold for $402,500 in August 2011.
  • Is Costa Mesa a buyer's or seller's market?
    Costa Mesa is currently a seller's market, based on recent for-sale activity.
  • What's the median sale price in Costa Mesa?
    The median sale price in Costa Mesa is $1.38M. That is down $7.13K from the prior month.
  • How big is the lot at 421 E 20th St?
    The lot at 421 E 20th St in Costa Mesa, CA is about 0.14 acres (6,300 sq ft).
  • Does 421 E 20th St have a garage?
    Yes, 421 E 20th St in Costa Mesa, CA has a garage.