18666 Summit Ct, Castro Valley, CA 94546
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OFF MARKET

18666 Summit Ct
Castro Valley, CA 94546

  • 3 Beds
  • 2 Baths
  • 1,256 sqft

$1,103,000

Trulia Estimate
as of Aug 8, 2026
Est. Refi. Payment $6,773/mo*
Refinance Your Home

$1,103,000

Trulia Estimate
as of Aug 8, 2026
Est. Refi. Payment $6,773/mo*
Refinance Your Home
3 Beds
2 Baths
1,256 sqft

Local Information

  • Map ViewExplore the area around 18666 Summit Ct.
  • Schools1 Elementary School2 Middle Schools1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Living Area
1,256 sqft
Price/Sqft
$878
Parking
Attached Garage

About this House

Property Highlights:
- Located at the end of a quiet cul-de-sac in the Castro Valley hills
- Fully paid-off solar panels = very low PG&E bills
- Hardwood floors, recessed smart led lighting throughout
- Zoned for top-rated schools: Proctor Elementary, Creekside Middle School, Castro Valley High School
- Stunning hill and valley views
- Complete backyard privacy on an oversized lot
- Property will have fresh interior paint throughout
- Large picture windows for tons of natural light

Recent Upgrades:
- Newly renovated bathroom
- New washer & dryer included
- New water heater
- New solar panels
- New, renovated bathroom with walk in shower
- New recessed lighting
- Epoxy in Garage, storage & clothes folding/ironing space with butcher block
- Added insulation for energy efficiency

Garage & Laundry:
- Spacious 2-car garage with
- Fresh epoxy flooring
- Built-in storage
- Dedicated laundry/folding/ironing area

Enjoy peaceful living with beautiful views, great schools, and smart energy savings all just minutes from BART, shopping, and freeway access. Well manicured trees keep the home cool on hot summer days - ceiling fans in each room keep you extra comfortable on warm days! This home was owner-occupied until recently and is available for rent due to a work relocation. Updated, latest photos will be uploaded to the listing!

Reach out today to schedule a tour!

Renter is responsible for all utilities and lawn maintenance. No smoking. 12 month lease duration.
18666 Summit Ct, Castro Valley, CA 94546 is a 3 bedroom, 2 bathroom, 1,256 sqft single-family home. It last sold for $815,000 on Jan 15, 2019 (21,633% above the $3,750 asking price). More recently, it was listed as a rental in July 2025 with an asking price of $3,750 per month. That rental listing was removed on August 5, 2025. It is currently off market. The Trulia Estimate is $1,103,000, with a rent estimate of $3,908/month.

Home Details for 18666 Summit Ct

Interior Features

Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Appliances & Utilities
DishwasherDryerRefrigeratorWasher
Levels, Entrance, & Accessibility
Floors: Hardwood

Property Information

Property Type / Style
Property Type: Single Family Home

Rental Terms, Policies & Fees

Lease Term: 1 YearAvailable: now

Exterior Features

Parking & Garage
Parking: Attached, On Site

Price History for 18666 Summit Ct

DatePriceEventSource
08/05/2025$3,750ListingRemovedZillow Rentals
07/07/2025$3,750Listed For RentZillow Rentals
01/15/2019$815,000Sold
Bay East AOR #40847482
12/14/2018$799,000PendingAgent Provided
12/04/2018$799,000Listed For SaleAgent Provided

Market trends in Castro Valley

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.23M
$56.67KMoM
Sale-to-List Price
102.9%
0.7%MoM
Price per sq ft
$680
$18MoM
Available listings
78
3MoM
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Property Tax and Assessment

Year2025
Tax
Assessment$912,981
Home facts updated by county records

Comparable Sales for 18666 Summit Ct

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
5084 Seaview Ave, Castro Valley, CA
0.08
Single-Family Home
$1,157,500
02/23/26
3
2
1,452
18592 Madison Ave, Castro Valley, CA
0.20
Single-Family Home
$880,000
11/26/25
3
2
1,453
18545 Doris Ct, Castro Valley, CA
0.10
Single-Family Home
$1,065,000
10/31/25
3
2
1,702
18760 Sandy Rd, Castro Valley, CA
0.22
Single-Family Home
$1,010,000
10/31/25
3
2
1,212
4880 Mancini Dr, Castro Valley, CA
0.18
Single-Family Home
$1,310,000
07/01/26
3
2
1,340
17957 Rockhurst Rd, Castro Valley, CA
0.16
Single-Family Home
$1,165,000
01/08/26
3
2
1,676
18320 Pepper St, Castro Valley, CA
0.17
Single-Family Home
$1,100,000
04/01/26
4
2
1,414
4866 Seven Hills Rd, Castro Valley, CA
0.20
Single-Family Home
$855,000
09/24/25
2
2
1,053
18640 Sandy Rd, Castro Valley, CA
0.19
Single-Family Home
$1,273,000
05/11/26
3
2
1,675
4859 Seaview Ave, Castro Valley, CA
0.32
Single-Family Home
$1,068,000
11/03/25
3
2
1,415

Nearby homes

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Assigned Schools

These are the assigned schools for 18666 Summit 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

  • 75 % Say car is needed

  • 74 % Say parking is easy

  • 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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Apartments for Rent

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Explore by feature - Pet Friendly

28 pet-friendly rentals in Castro Valley, CA

Explore by feature - Garage

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Explore by feature - Pool

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Explore by feature - Washer/dryer

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Explore by feature - Outdoor Space

14 rentals with an outdoor space in Castro Valley, CA

Homes for sale near 18666 Summit Ct

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Off Market Homes Near 18666 Summit Ct

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Frequently asked questions about 18666 Summit Ct

  • What is 18666 Summit Ct estimated to be worth?
    Trulia's estimated value for 18666 Summit Ct in Castro Valley, CA is $1,103,000.
  • What is the price history for 18666 Summit Ct?
    18666 Summit Ct in Castro Valley, CA last sold for $815,000 in January 2019.
  • Is Castro Valley a buyer's or seller's market?
    Castro Valley is currently a seller's market, based on recent for-sale activity.
  • What's the median sale price in Castro Valley?
    The median sale price in Castro Valley is $1.23M. That is up $56.67K from the prior month.
  • Does 18666 Summit Ct have laundry facilities?
    Yes, 18666 Summit Ct in Castro Valley, CA has in-unit laundry.
  • Does 18666 Summit Ct have parking?
    Yes, 18666 Summit Ct in Castro Valley, CA has on-site parking.