Welcome home to this beautifully updated 4-bedroom, 2.5-bath residence situated on a large corner lot in the heart of O'Fallon. Fresh paint and new flooring throughout create a bright, modern feel and make this home truly move-in ready. The spacious floor plan offers generous living areas, a cozy fireplace, and plenty of room for both everyday living and entertaining. Step outside onto the deck, the perfect place to enjoy your morning coffee, host gatherings, or unwind while overlooking the backyard. The unfinished walkout lower level provides abundant storage space and endless potential for future finishing to suit your needs. Situated on an expansive corner lot and conveniently located near parks, shopping, dining, and major highways, this home offers the perfect combination of updates, space, and location.
Closed
Listed by: EXP Realty, LLC • Christina Swyers • 314-629-5867
Bought with: DRG - Delhougne Realty Group
Price Unknown
21 Dunmore Cir, O'Fallon, MO 63368
4beds
2,309sqft
Single Family Residence
Built in 1991
0.38 Acres Lot
$428,900 Zestimate®
$--/sqft
$2,963 Estimated rent
Home value
$428,900
$403,000 - $455,000
$2,963/mo
Zestimate® history
Owner options
List your home for rent
$2,963/mo
Rent Zestimate®
Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.
$2,963/mo
Rent Zestimate®
Refinance and save
$300/mo
Est. payment
Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.
$300/mo
Est. payment
Explore your selling options
Work with a Zillow partner agent
Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.
Get startedList with your own agent
Get your home in front of millions of buyers by listing it on Zillow.
Learn how to do itSell it yourself
Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).
List your homeWhat's special
Cozy fireplaceExpansive corner lotLarge corner lotBright modern feelSpacious floor plan
Zillow last checked:
Listing updated:
Listed by:
Christina Swyers 314-629-5867,
EXP Realty, LLC,
Kayleigh N Wilson 636-290-0461,
EXP Realty, LLC
Bought with:
Sherrie L Shanahan, 2013032843
DRG - Delhougne Realty Group
Source: MARIS,MLS#: 26034315
Originating MLS: St. Louis Association of REALTORS
Originating MLS: St. Louis Association of REALTORSFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
- Main level bathrooms: 1
Heating
- Forced Air
Cooling
- Central Air
Appliances
- Laundry: Laundry Room, Main Level
Features
- Ceiling Fan(s), Eat-in Kitchen, Kitchen Island, Pantry, Separate Dining
- Flooring: Carpet, Laminate
- Basement: Concrete
- Number of fireplaces: 1
- Fireplace features: Family Room
Interior area
- Total structure area: 2,309
- Total interior livable area: 2,309 sqft
- Finished area above ground: 2,309
Property
Parking
- Total spaces: 2
- Parking features: Garage - Attached
- Attached garage spaces: 2
Features
- Levels: Two
- Patio & porch: Deck
Lot
- Size: 0.38 Acres
- Features: Corner Lot
Details
- Parcel number: 3157C6638000281.0000000
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Ranch
- Property subtype: Single Family Residence
Materials
- Vinyl Siding
Condition
- Year built: 1991
Utilities & green energy
- Electric: Other
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Subdivision: Monticello Village B
HOA
- Has HOA: Yes
- Amenities included: Common Ground, Tennis Court(s)
- Services included: Clubhouse, Pool
- HOA fee: $300 annually
- HOA name: Monticello Village B
Location
- Region: Ofallon
Financial & listing details
- Tax assessed value: $373,484
- Annual tax amount: $4,522
- Date on market: 6/12/2026
- Cumulative days on market: 4 days
- Listing terms: Cash,Conventional,FHA,VA Loan
Price history
| Date | Event | Price |
|---|---|---|
| 7/14/2026 | Sold | -- |
Source:  MARIS #26034315 Report a problem | ||
| 6/16/2026 | Pending sale | $399,900$173/sqft |
Source: MARIS #26034315 Report a problem | ||
| 6/12/2026 | Listed for sale | $399,900$173/sqft |
Source: MARIS #26034315 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $4,522 +6.5% | $70,962 +7.5% |
| 2024 | $4,245 -0.1% | $65,999 |
| 2023 | $4,247 +16.3% | $65,999 +25.4% |
| 2022 | $3,651 | $52,625 |
| 2021 | -- | $52,625 +5.9% |
| 2020 | -- | $49,705 |
| 2019 | $3,513 | $49,705 +6.4% |
| 2018 | $3,513 +1.5% | $46,697 |
| 2017 | $3,461 +11.2% | $46,697 +15.4% |
| 2016 | $3,113 +0.6% | $40,474 +0.2% |
| 2015 | $3,093 +7.1% | $40,395 +9.6% |
| 2014 | $2,889 | $36,867 |
| 2013 | -- | $36,867 -7.3% |
| 2012 | -- | $39,780 -0.8% |
| 2011 | -- | $40,110 |
| 2010 | -- | $40,110 |
| 2009 | -- | $40,110 -6.5% |
| 2008 | -- | $42,890 -80.1% |
| 2007 | -- | $215,200 |
| 2006 | -- | $215,200 |
| 2005 | -- | $215,200 +16.9% |
| 2004 | -- | $184,050 |
| 2003 | -- | $184,050 |
| 2002 | -- | -- |
| 2001 | -- | -- |
Find assessor info on the county website
Neighborhood: 63368
Nearby homes
- $404,3004 bd2 ba2.2k sqft14 Statesman Dr, O'Fallon, MO 63368Off Market
- $407,7004 bd2 ba2.3k sqft19 Dunmore Cir, O'Fallon, MO 63368Off Market
- $424,5004 bd2 ba2.4k sqft23 Dunmore Cir, O Fallon, MO 63368Off Market
- $--3 bd3 ba2.3k sqft3 Albemarle Ct, O'Fallon, MO 63368Sold
- $387,0003 bd2 ba1.6k sqft22 Dunmore Cir, O'Fallon, MO 63368Off Market
- $412,9004 bd3 ba2.2k sqft15 Statesman Dr, O'Fallon, MO 63368Off Market
- $328,4003 bd2 ba1.3k sqft12 Statesman Dr, O'Fallon, MO 63368Off Market
- $400,1004 bd2 ba2.2k sqft17 Dunmore Cir, O'Fallon, MO 63368Off Market
Nearby schools
GreatSchools rating
- 7/10John Weldon Elementary SchoolGrades: PK-5Distance: 1.3 mi
- 8/10Francis Howell Middle SchoolGrades: 6-8Distance: 1.3 mi
- 10/10Francis Howell High SchoolGrades: 9-12Distance: 2.2 mi
Schools provided by the listing agent
- Elementary: John Weldon Elem.
- Middle: Francis Howell Middle
- High: Francis Howell High
Source: MARIS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$428,900
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$428,900
- Missouri
- Saint Charles County
- O Fallon
- 63368
- 21 Dunmore Cir
Nearby cities
Nearby zip codes
Other O Fallon Topics
