THE WELDON SPRING BACKYARD EVERYONE WANTS. Vacation without leaving home at 800 Dunbarton Drive. Set on nearly half an acre in the heart of Weldon Spring, this beautifully updated 4-bedroom home delivers the kind of indoor-outdoor lifestyle that’s hard to find, with a private in-ground pool, outdoor kitchen, expansive entertaining space, finished lower level and 3-car garage. Step inside to a bright, updated interior designed for both everyday living and entertaining. The main level features 9-foot ceilings, an updated kitchen with center island, granite countertops and stainless appliances, plus an open family room anchored by a gas fireplace. Large windows and doors draw your eye straight outside to the backyard. And this is where the home really separates itself. The backyard feels like your own private resort. Spend summer days by the pool, host friends around the outdoor kitchen, watch the game outside, or unwind in the evening without ever having to leave home. With nearly ½ acre, there’s room to entertain, relax and enjoy the space. Upstairs, the spacious primary suite features a walk-in closet, dual vanities, separate shower and soaking tub, along with three additional bedrooms and another full bath. The finished lower level adds even more living and entertaining space, complete with a large bar and additional half bath perfect for game days, movie nights or hosting a crowd. Add in a 3-car attached garage, main-floor laundry, dedicated office/den, separate dining space and a sought-after location within the Francis Howell School District, and 800 Dunbarton offers far more than just a beautiful home. Pool days. Backyard dinners. Game nights. Space for everyone. This is the kind of home you don’t just live in...you enjoy.
Welcome home to 800 Dunbarton! Wow! Stunning home on a half acre lot with an amazing outdoor kitchen, outdoor speakers, patio and in-ground pool! The main floor boasts 9 ft ceilings, a renovated kitchen with center island, granite counters, black stainless appliances and a tile backsplash. Eat-in kitchen overlooks the large family room with gas fireplace as well as a sliding door to the entertainers dream of a backyard! Half bath, separate dining, office/den and laundry/mud room finish out the first floor. Second floor master en suite has large walk-in closet, separate tub and shower and dual vanities. Three additional bedrooms and full bath finish out the second level. The finished basement is great for entertaining, with a large bar and half bath. Schedule your showing today!
Public Records
Dec 6, 2017
Sold
$380,000
$113/sq ft
MARIS as Distributed by MLS Grid #17080745
Dec 4, 2017
Sold
*
Nov 29, 2017
Pending
—
Oct 18, 2017
Contingent
—
Oct 12, 2017
Listed
$380,000
$113/sq ft
+28
This Weldon Spring Gem is stunning inside and out with 4 Beds/4 Bath, approx. 3,163 sq. ft. of total living space. Gorgeous landscaped yard with enticing swimming pool, outdoor kitchen, amazing back patio, invisible fencing, along with watering system with irrigation. The open floor plan of the Family Room exhibits a bay window along with a gas fireplace that flows into the Breakfast Room and Kitchen. The Kitchen boasts granite countertops, custom cabinetry with pull outs, an island that includes an electric cooktop and breakfast bar, double porcelain sink with disposal, built in Accubake microwave, oven and dishwasher. The Upper Level features the Master Bedroom Suite, 3 Bedrooms, and a full Bath. The Master Suite includes a walk in closet, a vaulted ceiling with a lighted ceiling fan and French door entry Bath with whirlpool tub/separate shower along with double sinks. The beautifully finished Lower Level is an entertainer's dream with a wet bar, Half Bath, a bonus/flex room.
Public Records
Aug 28, 2013
Sold
$327,500
$97/sq ft
MARIS as Distributed by MLS Grid #13038233
Aug 26, 2013
Sold
*
Jul 9, 2013
Listed
$329,900
$98/sq ft
Public Records
Aug 18, 2004
Sold
$285,000
$85/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$5,873 (+7.3%)
2024
$5,474
2023
$5,472 (+7.3%)
2022
$5,098
2021
$5,103 (+6.6%)
2020
$4,789 (+0.5%)
2019
$4,767 (+3.1%)
2018
$4,624 (+0.8%)
2017
$4,586 (+4.8%)
2016
$4,377 (+5.9%)
2015
$4,135 (+9.2%)
2014
$3,788
Public record
Beds
4
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
0.47 Acres
Year renovated
—
Finished Sq. Ft.
3,370
Unfinished Sq. Ft.
—
Total Sq. Ft.
3,370
Year built
1999
Style
Single Family Residential
County
St. Charles County
APN
3-0122-7485-00-0138.0000000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 7, 2026.
Climate risks
10/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
5/10 Heat Factor
7 days above 107° expected this year, 20 days in 30 years
2/10 Wind Factor
1% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Weldon Spring, MO • 63304
Average low and high temperatures (°F)
38
21
47
28
67
42
72
51
76
56
86
67
90
72
86
66
84
61
74
51
57
41
47
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
96/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 28% for direct sun exposure in Weldon Spring. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
10 hrs
6.5 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 800 Dunbarton Dr
$681,040
$19K under list price of $700K
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $460K to $795K.