4200 Comet Cir
Union City, CA 94587
- 3 Beds
- 2 Baths
- 1,137 sqft
3 Beds
2 Baths
1,137 sqft
Local Information
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Description
Welcome to 4200 Comet Circle! This lovely, charming 3 bedroom/ 2 bath updated end-unit townhome is an entertainer's dream, featuring one of the largest backyards in the association. This home is perfect for indoor/outdoor entertaining, where the maintenance free backyard has access to an updated kitchen and full bathroom. The primary en-suite, alongside 2 other bedrooms are flooded with natural lighting on the top floor. Even though this well maintained home is walking distance to four parks, tennis/ basketball courts, and the community's swimming pool, it is still nestled away to relish in the complex's tranquility. This townhouse is also conveniently across the street from Contempo Park and the HOA's community center. Easy access to the freeways, 880 and the Dumbarton Bridge. Close proximity to schools, shopping, groceries, wonderful restaurants, Silicon Valley companies, and much more! Don't miss out on this opportunity!
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. This description is from May 24, 2026
Home Highlights
Parking
Garage
Outdoor
Patio
A/C
Heating only
HOA
$333/Monthly
Price/Sqft
No Info
Listed
180+ days ago
Home Details for 4200 Comet Cir
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Interior Details Number of Rooms: 4Types of Rooms: Bathroom, Dining Room, Family Room, Kitchen |
Beds & Baths Number of Bedrooms: 3Number of Bathrooms: 2Number of Bathrooms (full): 2 |
Dimensions and Layout Living Area: 1137 Square Feet |
Appliances & Utilities Utilities: Natural Gas Available, Public Utilities, Water PublicAppliances: Electric Cooktop, Dishwasher, Exhaust Fan, Disposal, Microwave, Electric Oven, Electric Oven/Range, Refrigerator, Dryer, Washer, Washer/DryerDishwasherDisposalDryerLaundry: InsideMicrowaveRefrigeratorWasher |
Heating & Cooling Heating: Central Forced Air,ElectricAir Conditioning: NoneHeating Fuel: Central Forced Air |
Fireplace & Spa Spa: Other, Spa/HotTub |
Gas & Electric Gas: IndividualGasMeters, NaturalGas, PublicUtilities |
Windows, Doors, Floors & Walls Flooring: LaminateCommon Walls: End Unit |
Levels, Entrance, & Accessibility Stories: 2Floors: Laminate |
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Exterior Home Features Roof: ShinglePatio / Porch: Balcony/PatioFencing: Back YardExterior: Back Yard, Barbecue, FencedFoundation: Slab |
Parking & Garage Number of Garage Spaces: 2Number of Covered Spaces: 2No CarportHas a GarageParking Spaces: 2Parking: Common,Detached,Garage Door Opener,Off Street,On Street,Oversized |
Pool Pool: Cabana Dressing Room, Community, In Ground |
Water & Sewer Sewer: Public Sewer |
Farm & Range Not Allowed to Raise Horses |
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Year Built Year Built: 1972 |
Property Type / Style Property Type: ResidentialProperty Subtype: Townhouse, Residential |
Building Not a New Construction |
Property Information Parcel Number: 4830102023 |
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Price List Price: $720,000 |
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MLS Status: Sold |
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Direction & Address City: UnionCity |
School Information Elementary School District: NewHavenUnifiedHigh School District: NewHavenUnifiedWalk Score: 64 |
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Building Area Building Area: 1137 |
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Units in Building: 682 |
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HOA Fee Includes: WaterHas an HOAHOA Fee: $333/Monthly |
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Lot Area: 1656 sqft |
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Special Conditions: Standard |
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Listing Agreement Type: ExclusiveRightToSell |
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Mls Number: ML81950781 |
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HOA Amenities: Barbecue Area, Cabana, Club House, Common Utility Room, Community Pool, Playground |
Last check for updates: about 2 hours ago
Listed by Lyzette Abaya 01984943, (312) 905-3473
Redfin, (877) 973-3346
Bought with: Jonathan Macciola 01854499, MACCIOLA INC, (510) 299-3343
Source: MLSListings Inc, MLS#ML81950781

Price History for 4200 Comet Cir
| Date | Price | Event | Source |
|---|---|---|---|
| 01/27/2025 | $329,500 | Sold | N/A |
| 02/14/2024 | $817,000 | Sold | MLSListings Inc #ML81950781 |
| 01/20/2024 | $720,000 | Pending | MLSListings Inc #ML81950781 |
| 01/16/2024 | $720,000 | Listed For Sale | MLSListings Inc #ML81950781 |
| 08/25/2021 | $705,000 | Sold | MLSListings Inc #ML81854447 |
| 08/01/2021 | $665,000 | Contingent | MLSListings Inc #ML81854447 |
| 07/20/2021 | $665,000 | Listed For Sale | MLSListings Inc #ML81854447 |
| 04/16/2014 | $382,000 | Sold | N/A |
| 10/19/2007 | $387,000 | Sold | N/A |
Market trends in Union City
Last updated April 2026
Avg. sale price
$1.12M $22.33KMoM
Sale-to-List Price
102.9% 0.3%MoM
Price per sq ft
$718 $23MoM
Available listings
102 8MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | |
| Assessment | $833,340 |
Home facts updated by county records
Homeowner tools
Estimated monthly rent$3,014/mo
Comparable Sales for 4200 Comet Cir
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.06 | Townhouse | $759,000 | 03/20/26 | 3 | 1.5 | 1,255 | |
0.06 | Townhouse | $740,000 | 02/17/26 | 3 | 2 | 1,214 | |
0.11 | Townhouse | $711,900 | 09/11/25 | 3 | 1.5 | 1,214 | |
0.03 | Townhouse | $765,000 | 10/07/25 | 4 | 1.5 | 1,342 | |
0.24 | Townhouse | $650,000 | 12/18/25 | 3 | 2 | 1,162 | |
0.16 | Townhouse | $740,000 | 02/24/26 | 3 | 2 | 1,280 | |
0.23 | Townhouse | $740,000 | 06/02/26 | 3 | 2 | 1,255 | |
0.16 | Townhouse | $768,000 | 04/24/26 | 3 | 2.5 | 1,214 | |
0.16 | Townhouse | $820,000 | 05/29/26 | 4 | 3 | 1,583 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 4200 Comet Cir.
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.
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Homes for sale near 4200 Comet Cir
Off Market Homes Near 4200 Comet Cir

Based on information from the MLSListings MLS as of 2026-06-11 07:15:18 PDT. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
4200 Comet Cir, Union City, CA 94587 is a 3 bedroom, 2 bathroom, 1,137 sqft townhouse built in 1972. This property is not currently available for sale. 4200 Comet Cir was last sold on Jan 27, 2025 for $329,500 (54% lower than the asking price of $720,000). The current Trulia Estimate for 4200 Comet Cir is $726,400.