321 Sinclair Ave
Upland, CA 91786
- Studio
Studio
(on 0.45 acres)
Local Information
-- mins to
Home Highlights
Property Type
Apartment
Year Built
1964
Lot Size
0.45 acres
About this House
This apartment is located at 321 Sinclair Ave, Upland, CA. 321 Sinclair Ave is in Upland, CA and in ZIP code 91786. This property has a lot size of 0.45 acres and was built in 1964.
321 Sinclair Ave, Upland, CA 91786 is a studio apartment built in 1964. It last sold for $1,000,000 on Feb 28, 2014. It is currently off market. The Trulia Estimate rent is $2,196/month.
Home Details for 321 Sinclair Ave
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Levels, Entrance, & Accessibility Stories: 2 |
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Year Built Year Built: 1964 |
Property Type / Style Property Type: Apartment |
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Parking & Garage Parking: Carport |
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Units in Building: 8 |
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Lot Area: 0.45 acres |
Price History for 321 Sinclair Ave
| Date | Price | Event | Source |
|---|---|---|---|
| 02/28/2014 | $1,000,000 | Sold | N/A |
| 08/27/2003 | $1,000,000 | Sold | N/A |
| 03/26/2002 | $468,000 | Sold | N/A |
Market trends in Upland
Last updated June 2026
Avg. sale price
$809K
$333MoM
Sale-to-List Price
99.7%
0.2%MoM
Price per sq ft
$438
$2MoM
Available listings
174
16MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $13,409 |
| Assessment | $1,225,862 |
Home facts updated by county records
Comparable Sales for 321 Sinclair Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.18 | Apartment | $367,000 | 10/27/25 | 2 | 1 | 840 | |
2.82 | Apartment | $1,450,000 | 10/03/25 | 2 | 1 | 1,700 | |
1.83 | Apartment | $2,650 | 04/14/26 | 3 | 2 | 1,000 | |
2.51 | Apartment | $550,000 | 07/22/26 | 2 | 2.5 | 1,180 | |
2.25 | Apartment | $1,800 | 02/13/26 | 1 | 1 | 440 | |
3.30 | Apartment | $323,000 | 07/13/26 | 2 | 1 | 752 | |
3.59 | Apartment | $372,000 | 07/13/26 | 2 | 1.5 | 1,232 | |
4.17 | Apartment | $398,210 | 09/30/25 | 1 | 1 | 654 | |
4.76 | Apartment | $260,000 | 05/12/26 | 1 | 494 | ||
5.31 | Apartment | $1,400,000 | 11/24/25 | 5 | 2 | 3,262 |
Home facts updated by county records
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 321 Sinclair Ave.
What Locals Say about Upland
At least 652 Trulia users voted on each feature.
90 % Say it's dog friendly
89 % Say there are sidewalks
82 % Say car is needed
75 % Say yards are well-kept
74 % Say there's holiday spirit
68 % Say parking is easy
63 % Say streets are well-lit
63 % Say it's walkable to grocery stores
62 % Say it's walkable to restaurants
62 % Say it's quiet
62 % Say people would walk alone at night
58 % Say they plan to stay for at least 5 years
58 % Say kids play outside
52 % Say there's wildlife
51 % Say neighbors are friendly
25 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Apartments for Rent
Homes for sale near 321 Sinclair Ave
Off Market Homes Near 321 Sinclair Ave
Frequently asked questions about 321 Sinclair Ave
- What is the price history for 321 Sinclair Ave?321 Sinclair Ave in Upland, CA last sold for $1,000,000 in February 2014.
- Is Upland a buyer's or seller's market?Upland is currently a seller's market, based on recent for-sale activity.
- What's the median sale price in Upland?The median sale price in Upland is $809K. That is down $333 from the prior month.
- What do residents say about Upland?Residents describe Upland, CA as dog-friendly, pedestrian-friendly, and well-kept. See recently sold homes in Upland, CA.
- Does 321 Sinclair Ave have parking?Yes, 321 Sinclair Ave in Upland, CA has on-site parking.