21 Treeline Dr
O'Fallon, MO 63366
- 3 Beds
- 3 Baths
- 1,782 sqft (on 3.16 acres)
3 Beds
3 Baths
1,782 sqft
(on 3.16 acres)
Local Information
-- mins to
Description
Discover the serenity of this affordable home on a 3 acre lot, in a 42 home subdivision, that shows pride of ownership throughout. This 3 bedroom 3 full bath home with over 2800 sq ft of living space was built with efficiency in mind. Gas & Electric average less than $130 per month due to the 93% geothermal HVAC, dual hot water heaters (one is a reservoir), interior condenser unit, & Anderson windows. Other features: Vaulted great room & dining room, open kitchen with custom cabinets, center island, breakfast bar & breakfast room. Master bedroom has a bay window & master bath suite, office space or den, tile floors, gas burning fireplace, 50 year shingles, & a four season room that overlooks a level yard. The lower level has a bedroom and rec-room for family enjoyment. Plus, there is a 24x28 fully insulated outbuilding with a wood burning stove, workshop area, & an insulated attic. Stop by and see this home that has been meticulously maintained and ready for a new owner.
21 Treeline Dr, O'Fallon, MO 63366 is a 3 bedroom, 3 bathroom, 1,782 sqft single-family home built in 1999. It last sold for $309,000 on Jun 25, 2015. It is currently off market. The Trulia Estimate is $580,300, with a rent estimate of $2,523/month.
Home Highlights
Parking
Garage
Outdoor
Porch, Patio
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago
Home Details for 21 Treeline Dr
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Interior Details BasementNumber of Rooms: 5Types of Rooms: Walk In Closet |
Heating & Cooling Heating: Forced Air, GasAir ConditioningCooling System: Geothermal, OtherHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 1 |
Appliances & Utilities DishwasherMicrowave |
Fireplace & Spa Fireplace |
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Year Built Year Built: 1999 |
Property Type / Style Property Type: Single Family HomeArchitecture: ranch |
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Exterior Home Features Exterior: OtherPatioPorch |
Parking & Garage GarageParking Spaces: 2Parking: Garage Attached, Garage Detached |
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Units in Building: 1 |
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Lot Area: 3.16 acres |
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On Site Laundry Available |
Price History for 21 Treeline Dr
| Date | Price | Event | Source |
|---|---|---|---|
| 06/25/2015 | -- | Sold | MARIS #15025694 |
| 05/20/2015 | $309,900 | Pending | Agent Provided |
| 05/08/2015 | $309,900 | Listed For Sale | Agent Provided |
| 05/25/1999 | -- | Sold | N/A |
Market trends in Saint Paul
Last updated May 2026
Avg. sale price
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Sale-to-List Price
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Price per sq ft
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Available listings
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Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $5,286 |
| Assessment | $456,348 |
Home facts updated by county records
Comparable Sales for 21 Treeline Dr
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.18 | Single-Family Home | - | 04/24/26 | 4 | 4.5 | 5,395 | |
0.38 | Single-Family Home | - | 08/21/25 | 5 | 3.5 | 3,690 | |
0.93 | Single-Family Home | - | 01/22/26 | 3 | 2.5 | 2,057 | |
0.55 | Single-Family Home | - | 08/15/25 | 6 | 3.5 | 3,131 | |
0.85 | Single-Family Home | - | 09/11/25 | 4 | 3 | 2,766 | |
0.75 | Single-Family Home | - | 10/03/25 | 4 | 2.5 | 2,805 | |
0.54 | Single-Family Home | - | 03/02/26 | 4 | 4.5 | 7,034 | |
0.68 | Single-Family Home | - | 10/23/25 | 4 | 4.5 | 4,174 | |
0.78 | Single-Family Home | - | 06/15/26 | 3 | 1 | 1,824 | |
1.14 | Single-Family Home | - | 12/04/25 | 4 | 4 | 3,333 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 21 Treeline Dr.
What Locals Say about Saint Paul
At least 3 Trulia users voted on each feature.
100 % Say there's holiday spirit
100 % Say car is needed
100 % Say parking is easy
91 % Say yards are well-kept
89 % Say it's quiet
80 % Say there's wildlife
68 % Say neighbors are friendly
57 % Say it's dog friendly
44 % Say they plan to stay for at least 5 years
43 % Say kids play outside
33 % Say people would walk alone at night
29 % Say there are sidewalks
17 % Say it's walkable to grocery stores
14 % Say streets are well-lit
11 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
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