3521 E 91st Ave
Thornton, CO 80229
Thornton Valley East- 5 Beds
- 2 Baths
- 1,050 sqft
5 Beds
2 Baths
1,050 sqft
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1961
Living Area
1,050 sqft
Price/Sqft
$430
Parking
Garage
About this House
This single-family home is located at 3521 E 91st Ave, Thornton, CO. 3521 E 91st Ave is in the Thornton Valley East neighborhood in Thornton, CO and in ZIP code 80229. This property has 5 bedrooms, 2 bathrooms and approximately 1,050 sqft of floor space. This property has a lot size of 9147 sqft and was built in 1961.
3521 E 91st Ave, Thornton, CO 80229 is a 5 bedroom, 2 bathroom, 1,050 sqft single-family home in Thornton Valley East, built in 1961. It last sold for $400,000 on May 4, 2021. It is currently off market. The Trulia Estimate is $451,600, with a rent estimate of $2,827/month.
Home Details for 3521 E 91st Ave
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Interior Details BasementNumber of Rooms: 7 |
Heating & Cooling Heating: Forced AirCooling System: CentralHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 1Floors: Other |
Fireplace & Spa Fireplace |
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Exterior Home Features Roof: CompositionExterior: Stone |
Parking & Garage GarageParking: Garage Attached |
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Year Built Year Built: 1961Year Updated: 1961 |
Property Type / Style Property Type: Single Family HomeArchitecture: ranch |
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Units in Building: 1 |
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Lot Area: 9147 sqft |
Price History for 3521 E 91st Ave
| Date | Price | Event | Source |
|---|---|---|---|
| 05/04/2021 | $400,000 | Sold | N/A |
Market trends in Thornton
Last updated June 2026
Avg. sale price
$498K
$13.83KMoM
Sale-to-List Price
100.0%
Price per sq ft
$234
$1MoM
Available listings
570
59MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $2,432 |
| Assessment | $434,000 |
Home facts updated by county records
Comparable Sales for 3521 E 91st Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.08 | Single-Family Home | $400,000 | 03/19/26 | 5 | 2 | 1,920 | |
0.15 | Single-Family Home | $457,000 | 10/03/25 | 4 | 2 | 1,624 | |
0.09 | Single-Family Home | $499,900 | 11/13/25 | 6 | 2 | 1,920 | |
0.16 | Single-Family Home | $480,000 | 01/30/26 | 5 | 2 | 1,920 | |
0.18 | Single-Family Home | $500,000 | 01/28/26 | 5 | 2 | 1,920 | |
0.07 | Single-Family Home | $542,000 | 09/08/25 | 5 | 3 | 1,920 | |
0.15 | Single-Family Home | $499,000 | 07/06/26 | 6 | 2 | 1,920 | |
0.15 | Single-Family Home | $480,000 | 08/18/25 | 4 | 2 | 1,920 | |
0.16 | Single-Family Home | $525,000 | 09/29/25 | 5 | 3 | 1,920 | |
0.37 | Single-Family Home | $485,000 | 03/10/26 | 5 | 2 | 2,052 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 3521 E 91st Ave.
LGBTQ Local Legal Protections
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Apartments for Rent
Homes for sale near 3521 E 91st Ave
Off Market Homes Near 3521 E 91st Ave
Frequently asked questions about 3521 E 91st Ave
- What is 3521 E 91st Ave estimated to be worth?Trulia's estimated value for 3521 E 91st Ave in Thornton, CO is $451,600.
- What is the price history for 3521 E 91st Ave?3521 E 91st Ave in Thornton, CO last sold for $400,000 in May 2021.
- Is Thornton a buyer's or seller's market?Thornton is currently a seller's market, based on recent for-sale activity.
- What's the median sale price in Thornton?The median sale price in Thornton is $498K. That is up $13.83K from the prior month.
- Does 3521 E 91st Ave have air conditioning?Yes, 3521 E 91st Ave in Thornton, CO has air conditioning.
- How big is the lot at 3521 E 91st Ave?The lot at 3521 E 91st Ave in Thornton, CO is about 0.21 acres (9,147 sq ft).

