20075 Opal Ct, Castro Valley, CA 94546
OFF MARKET

20075 Opal Ct
Castro Valley, CA 94546

  • 5 Beds
  • 3 Baths
  • 2,500 sqft

$1,185,300

Trulia Estimate
as of Jun 12, 2026
Est. Refi. Payment $7,224/mo*
Refinance Your Home

$1,185,300

Trulia Estimate
as of Jun 12, 2026
Est. Refi. Payment $7,224/mo*
Refinance Your Home
5 Beds
3 Baths
2,500 sqft

Local Information

Map showing home location
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Description

This multi-family home is located at 20075 Opal Ct, Castro Valley, CA. 20075 Opal Ct is in Castro Valley, CA and in ZIP code 94546. This property has 5 bedrooms, 3 bathrooms and approximately 2,500 sqft of floor space. This property has a lot size of 6970 sqft and was built in 1947.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.

Home Highlights

Parking
Garage
Outdoor
No Info
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago

Home Details for 20075 Opal Ct

Interior Features

Levels, Entrance, & Accessibility
Stories: 1
Interior Details
Number of Rooms: 10

Property Information

Year Built
Year Built: 1947Year Updated: 1947
Property Type / Style
Property Type: Multi FamilyArchitecture: Other

Exterior Features

Parking & Garage
GarageParking: Garage Attached

Community

Units in Building: 2

Lot Information

Lot Area: 7274 sqft

Price History for 20075 Opal Ct

DatePriceEventSource
01/30/2004$445,000Sold
Bay East AOR #11214587
10/07/1998$70,000Sold
N/A

Market trends in Castro Valley

Last updated May 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.17M
$31KMoM
Sale-to-List Price
103.5%
1.8%MoM
Price per sq ft
$696
$41MoM
Available listings
74
6MoM
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Property Tax and Assessment

Year2025
Tax
Assessment$883,340
Home facts updated by county records

Homeowner tools

Estimated monthly rent$2,972/mo
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Homes for rent near 20075 Opal Ct

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Comparable Sales for 20075 Opal Ct

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
19956 Forest Ave, Castro Valley, CA
0.37
Multi-Family Home
$199,500
12/22/25
4
4
3,201
22967 Maud Ave, Hayward, CA
1.05
Multi-Family Home
$200,000
02/02/26
4
3
2,140
20535 Anita Ave, Castro Valley, CA
1.12
Multi-Family Home
$1,050,000
09/05/25
4
5
3,496
1540 C St, Hayward, CA
1.44
Multi-Family Home
$1,050,000
06/11/26
6
3
2,038
21032 Baker Rd, Castro Valley, CA
1.15
Multi-Family Home
$1,075,000
11/26/25
3
2
1,654
20393 Anita Ave, Castro Valley, CA
1.14
Multi-Family Home
$1,350,000
12/10/25
3
2
2,344
20240 Wisteria St, Castro Valley, CA
1.24
Multi-Family Home
$1,650,000
07/23/25
8
4
3,821
2632 Renton Way, Castro Valley, CA
1.44
Multi-Family Home
$980,000
06/02/26
4
2
1,552
20275 Stanton Ave, Castro Valley, CA
1.54
Multi-Family Home
$319,500
11/21/25
8
4
1,680
2541 Denning Ct, Castro Valley, CA
1.45
Multi-Family Home
$1,450,000
09/25/25
8
4
3,320

Nearby homes

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Assigned Schools

These are the assigned schools for 20075 Opal Ct.
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 Castro Valley

At least 380 Trulia users voted on each feature.

  • 89 % Say it's dog friendly

  • 81 % Say there are sidewalks

  • 74 % Say parking is easy

  • 74 % Say car is needed

  • 73 % Say there's holiday spirit

  • 71 % Say yards are well-kept

  • 65 % Say it's quiet

  • 65 % Say people would walk alone at night

  • 65 % Say it's walkable to grocery stores

  • 62 % Say it's walkable to restaurants

  • 59 % Say there's wildlife

  • 59 % Say they plan to stay for at least 5 years

  • 59 % Say kids play outside

  • 57 % Say neighbors are friendly

  • 57 % Say streets are well-lit

  • 35 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Daniel Micko
    "Good schools, the businesses are growing well. A lot of history here. People are nice. Car shows in the downtown area."
    0
    Flag
  • Arijustinweinberg
    "HOA is great and cares about the residents. In Castro valley city they host street holiday parades 2-4 times a year"
    0
    Flag
  • Katherine Brovont
    "This part of the neighborhood is pretty tight knit. Everyone knows everyone else, and are very friendly."
    0
    Flag
  • Judy J Chen
    "Retro feel to some of the downtown area gives this town a unique vibe, not cookie cutter at all. More restaurants and coffee shop options than ever before. "
    3
    Flag
  • Trulia User
    "Been living here for 6 years, it's located near a major interstate, and shopping. Good transportation, Don Castro Lake near by for recreation, several gas stations and convenience stores that are open 24 hours 7 days a week. "
    1
    Flag
  • Leah M.
    "The schools are great and teachers are extremely supportive. Especially during Distance Learning. Community will always come together to help anyone in need. "
    9
    Flag
  • Elizabeth H. P.
    "Great parks, schools are excellent, residents are friendly and conscientious. Overall it’s a really peaceful and pleasant place to live and raise a family. Also very easy to commute to various places in the Bay Area, not enough good restaurants though. "
    4
    Flag
  • Michellehgarcia
    "Safe community overall. Schools are good. Good eating choices & shopping. Centrally located to SF and South Bay. "
    2
    Flag
  • Trevor A.
    "It’s loud. Fireworks occur very frequently throughout the year. During the day it is safe usually to walk them. Not a lot of large yards nor any good parks in Castro valley for them to run"
    0
    Flag
  • JL V.
    "Easy I go against traffic. I work in the Tri Valley area. I like the cooler weather of East Bay for living. "
    2
    Flag
  • Melina V.
    "I live in the outskirts, still lots of homeless people but overall is safe and quieter for bay area standards"
    2
    Flag
  • Trulia User
    "Castro Valley is quite and a nice place. It has good school. we need better restaurants but it is good. "
    1
    Flag
  • Tammy F.
    "great schools public pool in summer kid friendly places to eat fantastic schools lots of churches and temples "
    3
    Flag
  • Catherine S.
    "There’s a lot of nice hills to walk you’re dog and get good exercise at the same time. There is also a dog-specific store on the the main Blvd."
    1
    Flag
  • Jureksiem
    "Great town if you have dogs or if you don't. The streets are safe to walk at all times and dog parks abound."
    1
    Flag
  • Maureen P.
    "Most yards are a good size. Lots of parks walking distance. Privacy is easy because there’s space. Many good sidewalks. Flat enough to run in."
    0
    Flag
  • Hraxon
    "My commute is a painful 32 miles that can take up to 90 minutes and on a really bad day...2 hours one way."
    0
    Flag
  • Crisgf.ks
    "The schools are very good, and it’s a safe, friendly community to live in. It is easy to travel to San Francisco from here and to other communities for shopping, dining out. "
    0
    Flag
  • Jerichoyadao25
    "Walking distance to bart. Lots of places around each other that does not require a vehicle. Near major freeways "
    0
    Flag
  • Stayinpossibility
    "rodeo and parade, chili cook off, fall festival, lights parade, movies in the park, sports orgs, car shows... "
    0
    Flag
  • Nerfherder1800
    "Even though you pick after your dogs owners can get angry when your dog does it's business. I once had a woman scream at me and throw a rock at my dog as I was picking up his poop with a doggy bag."
    0
    Flag
  • Yolanda M.
    "My commute to East Oakland is about 30 minutes. Most of the traffic I get is after I get off the freeway in Oakland off 98th or Keller. "
    0
    Flag
  • Bryan
    "I grew up here and my parents have lived in the same house for the last 30+ years. Most of the neighborhoods in my area have very nice a personable people, the kind that you can go knock on a strangers door and ask for a cup of sugar from."
    0
    Flag
  • Yolanda M.
    "I work in East Oakland and my commute is about 30 minutes. Bart is also across the street. Shops and restaurants are walking distance "
    0
    Flag
  • Beatriz S.
    "Clean, safe and we have a small park in the neighborhood as well as the canyon trail. Lots of wild animals so dogs must be on leash at all the times. "
    0
    Flag
  • K.Cougar
    "I live in a rural area at the end of town. lots of trees and wildlife. it's at the back of Don Castro swimming, fishing,hiking, BBQ grills, bathrooms with showers... its a great park to sit under a tree in the shade, or lay a blanket on the grass."
    0
    Flag
  • Andrea R.
    "Castro Valley is ok. people don't know how to drive. there are dogs barking all day. my car was stolen once. there are some parks that are nice. lake chabot is really close. "
    0
    Flag
  • Jay M.
    "For work, my driving varies daily but usually go to San Jose, Sunnyvale, Palo Alto, Menlo Park, Redwood City, and a few cities in East Bay. I leave my house between 930-1030a either taking 238 to 880 and either one of the bridges or 580 to 680 depending on what Google Map says. Commute time is roughly an hour on a good day with moving traffic."
    0
    Flag
  • Carolyn S.
    "Its a country setting in a big city. You see people walking, biking and hiking.Castro Valley is a family town."
    0
    Flag
  • Sanchezjason239
    "This neighborhood is very safe the most threatening thing is druggies,friendly people and great schools.a very good neighborhood if you can afford it."
    0
    Flag
  • Crisgf.ks
    "Castro Valley has a small town feel, with elements of the country, with parks, a lake, hiking trails and wildlife. I’m a quarter mile from Lake Chabot, and love to walk there. "
    2
    Flag
  • Miaguglielmino
    "Great place to live and raise a family. Also great location in terms of access to freeways, hospitals, food entertainment etc"
    2
    Flag
  • Mshues
    "Very quiet street even though I am in the heart of Castro Valley Blvd. Love that so many things are in walking distance. "
    0
    Flag
  • Pinar I. S.
    "We just moved here. We like the neighborhood so far. It is quite and seems safe. Neighbors are say hi and friendly. "
    0
    Flag
  • Cyn757a
    "Street fairs, annual rodeo, chili cook off and other community events all contribute to making it a nice community. "
    0
    Flag
  • Ricplata75
    "It sucks! It’s gotten drastically worse over the years. It takes me at least 45 minutes to drive 11 miles. "
    0
    Flag
  • tesfaselassie k.
    "Kids play and neighborhood community and safety, security patrol perimeter and ask everything ok. Neighborhood nice people "
    0
    Flag

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Homes for sale near 20075 Opal Ct

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Off Market Homes Near 20075 Opal Ct

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20075 Opal Ct, Castro Valley, CA 94546 is a 5 bedroom, 3 bathroom, 2,500 sqft multi-family built in 1947. This property is not currently available for sale. 20075 Opal Ct was last sold on Jan 30, 2004 for $445,000. The current Trulia Estimate for 20075 Opal Ct is $1,185,300.