This home's estimate is 14.9% higher than the average sale price ($629K) of 6 comparable homes.
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190 Portmarnock Ln, Weldon Spring, MO 63304
About this home
Stately brick 2 Sty on Whitmoor Country Club grounds! Open floor plan features gleaming wood floors, millwork, soaring ceilings & plantation shutters. Travertine marble floors enhance the 2-sty foyer & flow into the adjacent kitchen with custom cabinetry, granite countertops & premium appliances and light-filled breakfast room. Beautifully appointed dining room adjoins spectacular great room with brick fireplace, wet bar & atrium doors to patio. A private study with built-in bookcases & gathering room complete the main floor living quarters. Hardwood staircase accesses coffered master bedroom suite with Travertine marble bath plus 3 generous-sized additional bedrooms & loft sitting area. Lower Level entertainment space includes recreation room with wet bar, game room & ½ bath. Situated on a private cul-de-sac lot with deck, patio, & 2-car garage. Neighborhood community with access to clubhouse, pool & tennis courts—all anchored by 2 Karl Litten-designed golf courses.
Redfin Estimate
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Market trends in 63304, MO
Last updated September 2026
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Provided by Redfin
Sale history for 190 Portmarnock Ln
$96/sq ft
$103/sq ft
$111/sq ft
$107/sq ft
$108/sq ft
$111/sq ft
$48/sq ft
$9/sq ft
Tax history for 190 Portmarnock Ln
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Property details
Parking
- Parking Information
- Parking Features: Attached Garage, Garage Door Opener, Rear/Side Entry
- Garage Spaces: 2
- Carport Spaces: 0
- Has Attached Garage
- Has Garage
Interior
- Bedroom Information
- # of Bedrooms: 4
- # of Bedrooms Main: 0
- Bathroom Information
- # of Full Baths (Total): 2
- # of Half Baths (Total): 2
- # of Main Level Bathrooms (Total): 1
- # of Main and Upper Bathrooms: 3
- Main Level # of Half Bathrooms: 1
- Room 1 Information
- Room Type: Den
- Room Dimensions: 13x12
- Room Length: 13
- Room Width: 12
- Room Level: Second or Main
- Room 2 Information
- Room Type: Dining Room
- Room Dimensions: 13x13
- Room Length: 13
- Room Width: 13
- Room Level: Second or Main
- Room 3 Information
- Room Type: Great Room
- Room Dimensions: 20x18
- Room Length: 20
- Room Width: 18
- Room Level: Second or Main
- Room 4 Information
- Room Type: Kitchen
- Room Dimensions: 13x10
- Room Length: 13
- Room Width: 10
- Room Level: Second or Main
- Room 5 Information
- Room Type: Breakfast Room
- Room Dimensions: 11x9
- Room Length: 11
- Room Width: 9
- Room Level: Second or Main
- Room 6 Information
- Room Type: Office
- Room Dimensions: 13x12
- Room Length: 13
- Room Width: 12
- Room Level: Second or Main
- Room 7 Information
- Room Type: Master Bedroom
- Room Dimensions: 19x13
- Room Length: 19
- Room Width: 13
- Room Level: Third or Upper
- Room 8 Information
- Room Type: Bedroom
- Room Dimensions: 13x11
- Room Length: 13
- Room Width: 11
- Room Level: Third or Upper
- Room 9 Information
- Room Type: Bedroom
- Room Dimensions: 11x11
- Room Length: 11
- Room Width: 11
- Room Level: Third or Upper
- Room 10 Information
- Room Type: Bedroom
- Room Dimensions: 11x11
- Room Length: 11
- Room Width: 11
- Room Level: Third or Upper
- Room 11 Information
- Room Type: Recreation Room
- Room Dimensions: 25x13
- Room Length: 25
- Room Width: 13
- Room Level: First or Lower
- Room 12 Information
- Room Type: Other Room
- Room Dimensions: 12x10
- Room Length: 12
- Room Width: 10
- Room Level: First or Lower
- Room 13 Information
- Room Type: Laundry
- Room Dimensions: 8x6
- Room Length: 8
- Room Width: 6
- Room Level: Second or Main
- Basement Information
- Basement Features: Bathroom in LL, Rec/Family Area, Walk-Out Access
- Other Rooms Information
- # of Rooms: 10
- Fireplace Information
- Has Fireplace
- # of Fireplaces: 1
- Fireplace Features: Woodburning Fireplce
- Heating & Cooling
- Has Heating
- Heating Information: Forced Air, Zoned
- Cooling Information: Ceiling Fan(s), Electric
- Interior Features
- Interior Features: Bookcases, Coffered Ceiling(s), Carpets, Special Millwork, Window Treatments, Walk-in Closet(s), Wet Bar, Some Wood Floors
- Window Features: Six Panel Door(s), Atrium Door(s), French Door(s)
- Appliances: Dishwasher, Disposal, Electric Oven
Exterior
- Building Information
- Construction Materials: Brk/Stn Veneer Frnt, Vinyl Siding
- Property Information
- Ownership Type: Private
- Property Type: Residential
- Property Sub Type: Residential
- Above Grade Finished Area: 2,954
- Above Grade Finished Area Source: Public Records
- Below Grade Finished Area: 1,200
- Model: Custom
- Lot Information
- Lot Features: Cul-De-Sac, Streetlights
- Lot Size Acres: 0.36
- Lot Size Dimensions: IRR
- Lot Size Source: County Records
Financial
- Tax Information
- Tax Annual Amount: $4,917
- Tax Year: 2017
Utilities
- Utility Information
- Water Source: Public
- Sewer: Public Sewer
Location
- HOA Information
- Association Amenities: Golf Course, Pool, Tennis Court(s), Clubhouse, Spa/Hot Tub, Workshop Area
- School Information
- Elementary School: Independence Elem.
- Middle Or Junior High School: Bryan Middle
- High School: Francis Howell High
- High School District: Francis Howell R-III
- Location Information
- Directions: Hwy 40 to N on Hwy 94, E on Wolfrum to L on Whitmoor Dr. L on Malinmor to L on St.
Public facts
- Beds: 4
- Baths: 3.0
- Sq. Ft.: 4,154
- Stories: 2.0
- Lot Size: 0.36 acres
- Style: Single Family Residential
- Year Built: 1991
- Year Renovated: —
- County: St. Charles County
- APN: 3-121B-6315-00-0064.0000000
Other
- Home Information
- Living Area: 4154
- Builder Name: Custom
- Levels: Two
Around this home
Schools
Public K-5 • Assigned • 1.8mi
Public 6-8 • Assigned • 1.7mi
Public 9-12 • Assigned • 4.4mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
Unlikely to be in a wildfire in next 30 years
7 days above 107° expected this year, 20 days in 30 years
1% chance of strong winds in next 30 years
2 unhealthy days expected this year, 2 days in 30 years
Sun exposure
In this area, properties receive around 9.7 hours in June and 4.2 hours in December, which is comparable to the U.S. average for solar exposure.
Nearby similar homes
New listings for sale in 63304
Home values near 190 Portmarnock Ln
| Address | Redfin Estimate |
|---|---|
5 Beds | 3.5 Baths | 4132 Sq. Ft. | $802,298 |
4 Beds | 2 Baths | 2830 Sq. Ft. | $639,484 |
| Address | Redfin Estimate |
|---|---|
4 Beds | 4 Baths | 6570 Sq. Ft. | $868,599 |
5 Beds | 3 Baths | 4400 Sq. Ft. | $731,850 |
| Address | Redfin Estimate |
|---|---|
2 Beds | 3 Baths | 4244 Sq. Ft. | $763,961 |
4 Beds | 3 Baths | 4200 Sq. Ft. | $808,909 |
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