404 Monaco Ave, Union City, CA 94587
Property image
Property image
OFF MARKET

404 Monaco Ave
Union City, CA 94587

  • 4 Beds
  • 3 Baths
  • 2,176 sqft

$1,614,100

Trulia Estimate
as of Jul 7, 2026
Est. Refi. Payment $9,818/mo*
Refinance Your Home

$1,614,100

Trulia Estimate
as of Jul 7, 2026
Est. Refi. Payment $9,818/mo*
Refinance Your Home
4 Beds
3 Baths
2,176 sqft

Local Information

  • Map ViewExplore the area around 404 Monaco Ave.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Description

404 Monaco Ave is what dreams are made of. This elegant, Modern Farmhouse style home has been completely renovated down to the studs and REBUILT to perfection in 2018. You'll be amazed at the level of craftsmanship, high-end finishes and exceptional attention to detail. Everything in the home is BRAND NEW and fully permitted (electrical, plumbing, mechanical). This 2,176 SF Custom Stunner offers 4BR and 2.5BA on a massive lot with picturesque landscaping. Your family will love the bright & airy open floor plan, Gourmet Kitchen and endless list of luxurious upgrades, which includes NEW: LED recessed lighting, dual pane windows, copper plumbing, European white oak hardwood, SS appliances, quartz slabs, white shaker cabinets, carrara marble backsplash, wine bar, water heater, smart garage, modern lighting fixtures, crown molding, the list goes on and on...Added Bonus: the LOCATION! Only 7.4 miles from the future Facebook & Tesla Campuses, and just minutes from BART, 880, 92, and 84.
404 Monaco Ave, Union City, CA 94587 is a 4 bedroom, 3 bathroom, 2,176 sqft single-family home built in 1986. It last sold for $1,150,000 on Oct 22, 2018. It is currently off market. The Trulia Estimate is $1,614,100, with a rent estimate of $4,997/month.

Home Highlights

Parking
Garage
Outdoor
Patio, Deck
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago

Home Details for 404 Monaco Ave

Interior Features

Heating & Cooling
Heating: Forced Air, GasAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Interior Details
Number of Rooms: 8Types of Rooms: Dining Room, Family Room
Appliances & Utilities
DishwasherDisposalMicrowave
Fireplace & Spa
FireplaceHot Tub or Spa
Levels, Entrance, & Accessibility
Floors: Tile, Hardwood

Exterior Features

Exterior Home Features
Roof: CompositionDeckExterior: Stucco, WoodGardenPatio
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 1986Year Updated: 1986
Property Type / Style
Property Type: Single Family HomeArchitecture: Contemporary

Community

Units in Building: 1

Lot Information

Lot Area: 7396 sqft

Mobile R/V

RV Parking
Rv Parking

Price History for 404 Monaco Ave

DatePriceEventSource
10/22/2018$1,150,000Sold
Bay East AOR #40838609
09/28/2018$998,000PendingAgent Provided
09/14/2018$998,000Listed For SaleAgent Provided
08/01/2018$1,288,000ListingRemovedAgent Provided
06/30/2018$1,288,000Listed For SaleAgent Provided
08/07/2017$850,000Sold
Bay East AOR #40788758
07/25/2017$849,950PendingAgent Provided
07/13/2017$849,950Listed For SaleAgent Provided
07/26/2010$624,950ListingRemovedAgent Provided
01/30/2010$624,950Listed For SaleAgent Provided
10/02/2009$592,000Sold
Bay East AOR #40423025
08/18/2009$624,950Listed For SaleAgent Provided

Market trends in Union City

Last updated May 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.19M
$102KMoM
Sale-to-List Price
102.1%
0.8%MoM
Price per sq ft
$765
$37MoM
Available listings
112
10MoM
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Property Tax and Assessment

Year2025
Tax
Assessment$1,282,824
Home facts updated by county records

Comparable Sales for 404 Monaco Ave

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
435 Monaco Ave, Union City, CA
0.06
Single-Family Home
$1,280,000
10/15/25
4
2.5
1,836
366 Monte Carlo Ave, Union City, CA
0.10
Single-Family Home
$1,390,000
03/05/26
4
3
2,098
373 Appian Way, Union City, CA
0.08
Single-Family Home
$930,000
01/08/26
4
2
1,920
355 Appian Way, Union City, CA
0.09
Single-Family Home
$1,230,000
10/22/25
5
2
1,584
365 Monaco Ave, Union City, CA
0.10
Single-Family Home
$1,420,000
10/31/25
5
4
2,031
343 Appian Way, Union City, CA
0.08
Single-Family Home
$1,330,000
04/07/26
5
2
1,908
352 Monte Carlo Ave, Union City, CA
0.12
Single-Family Home
$1,330,000
04/08/26
4
2
1,946
320 Appian Way, Union City, CA
0.11
Single-Family Home
$1,200,000
06/26/26
5
2
1,584
423 Riviera Dr, Union City, CA
0.22
Single-Family Home
$1,130,000
08/25/25
5
2
1,932
351 Riviera Dr, Union City, CA
0.27
Single-Family Home
$1,300,000
05/08/26
4
2
2,088

Nearby homes

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Assigned Schools

These are the assigned schools for 404 Monaco Ave.
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 Union City

At least 349 Trulia users voted on each feature.

  • 88 % Say there are sidewalks

  • 85 % Say it's dog friendly

  • 76 % Say car is needed

  • 72 % Say parking is easy

  • 70 % Say yards are well-kept

  • 68 % Say streets are well-lit

  • 63 % Say there's holiday spirit

  • 63 % Say it's walkable to grocery stores

  • 62 % Say it's quiet

  • 61 % Say kids play outside

  • 61 % Say they plan to stay for at least 5 years

  • 59 % Say it's walkable to restaurants

  • 50 % Say people would walk alone at night

  • 44 % Say neighbors are friendly

  • 34 % Say there's wildlife

  • 25 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Jason Wolfe
    "I don’t like the dog owners they are a threat to my kids. Please less dogs I don’t like the dog owners they are a threat to my kids. Please less dogs "
    0
    Flag
  • Hema Segaran
    "Commute is great, never had issues . Neighbors are awesome and the people in union city dont bother you as long as you mind your own business "
    0
    Flag
  • Vgarcia55
    "Very Centralized location. 20-30 min to down town Oakland. 20-30 minutes to San Jose. Bart to Oakland is 20-30 minutes. Bart to SF 40-45. "
    0
    Flag
  • Trulia User
    "I like the area and the proximity to all the shopping and easy access to the various freeways and interstates"
    1
    Flag
  • Trulia User
    "Good schools and many parks in the area, easy access to various malls and shopping areas Costco and "
    1
    Flag
  • Trulia User
    "I work remote and do not have to drive to the office at all so it is not an issue for me. I really don’t have a commute since I work from home. "
    0
    Flag
  • Charlie M.
    "It’s small, it has one highschool, it has the library police station and city hall all in one area close to the highschool. "
    0
    Flag
  • Charlie M.
    "There is a lot of traffic but the ya te building a new fasttrack lane so that should improve things. I also use Bart to go to the city to beat traffic "
    3
    Flag
  • Kristenclinging
    "Far away from all freeways, hassle when going far distance. Heavier traffic on main roads ex. Mission blvd"
    0
    Flag
  • Bnjenkins23
    "Good commute. No stress. Reasonable. Traffic moves at a reasonable pace at all times. In 2 years, I haven’t gotten frustrated."
    1
    Flag
  • Jean A. M.
    "Union City is a nice, quiet, clean, and safe neighborhood to live in. Easy to access major highways like 84, 880, 680, and the 92."
    2
    Flag
  • Information.from.sage
    "I enjoy the trail, walks, stroll, wagon, biking and views of Cayote Hills, fields, farms, water fountains and sunset embued with blue and peach hues. "
    0
    Flag
  • Rajvirgomez
    "people are very friendly and helpful close to the stores and schools are very close and good. it's very safe area no crime. I'm leaving in this area from 6 years "
    1
    Flag
  • Sohel
    "Good to have Summer fair and community park events Kids playgrounds also helps "
    0
    Flag
  • Kristenclinging
    "Schools are over crowded. Only one Highschool in the area 5000+ students. However one of the best districts in the area"
    3
    Flag
  • Joercorrales
    "I am not aware of any community events. Most of the recreational parks and small businesses are what make the area special."
    0
    Flag
  • Jojo510flores
    "its a good area to live seems safe . not much police activity. except the loud noises of young adults scretching there cares know and then"
    0
    Flag
  • Rbdomingo15
    "Safe for kids healthy environment clean sites and park friendly neighborhood quiet and have privacy "
    0
    Flag
  • Myanhdtruong
    "There are a lot of parks nearby. The schools are not that great. There is public transit nearby. A lot of cats in the neighborhood."
    0
    Flag
  • Myanhdtruong
    "A lot of people have dogs here and they walk them around the neighborhood, and take them to nearby parks"
    0
    Flag
  • Hammad K.
    "Dogs are walked and people walked through the streets. Streets are well lit for the most part. Cops do patrol through every so often. "
    0
    Flag
  • Sherry L.
    " We have many families. Schools are amazing. The homes are mostly well maintained by the homeowners. I’ve been here 21 years with my family who are special needs children and we find services to be satisfactory"
    0
    Flag
  • Rickgarcia1979
    "You have to avoid Union City Blvd from 2-5pm. Feels like I’m locked in my own neighborhood. It’s getting worse every year "
    1
    Flag
  • Toddalanspear
    "We have a great farmers market nearby with local fresh fruits and vegetables. Local honey can be found here. Fresh seafood can also be found here. Some items are seasonally. "
    0
    Flag
  • Allen B.
    "Great place. Several schools, easy to get to freeway, both Dumbarton and San Mateo bridges are close. "
    0
    Flag
  • Toddalanspear
    "Lots of dog owners in union city, plenty of parks to take your dog to. Dogs are great companions to go on walks with."
    0
    Flag
  • Dyasmean
    "The community the people and safety. A lot of different cultures, a lot of interesting activities like sports and cultural activities "
    0
    Flag
  • Kafil
    "I have lived here for 20 years, friendly community, not extremely crowded, lot of good places for hiking"
    0
    Flag
  • Kerry H.
    "I’ve lived in my house for 26 years. 18 years ago there were lots of kids playing in the neighborhood but now everyone is grown and gone away. Neighborhood is super quiet and very safe. Lots of original owners."
    1
    Flag
  • Billicferrell
    "I've lived here 10 years. I miss having a home with a yard. The area is expensive, especially for a small apartment."
    0
    Flag
  • Mhylia20
    "my community acts like more of a family and its amazing cause most people dont act this way with others"
    0
    Flag
  • Cornelio R.
    "christmas, july fourth celebration, new year, halloween, football and basketball finals, boxing championship."
    0
    Flag
  • Hailey M.
    "I’ve lived in this neighborhood for 2 years. The neighborhood is very peaceful. The neighbors are friendly."
    1
    Flag
  • Kaylasavage
    "I’ve lived here my whole life, it’s safe cute & everyone knows everybody. Plus a school & Parks all over ! "
    0
    Flag
  • Darren C.
    "My neighborhood is quiet and neighbors look out for each other. There is a park very close by and it’s great to be able to go anytime we want. Traffic is not too bad either so that’s a great plus. It is also close to both San Francisco and San Jose so jobs are easy to come by for people in tech."
    0
    Flag

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Explore by feature - Pet Friendly

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Homes for sale near 404 Monaco Ave

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Off Market Homes Near 404 Monaco Ave

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