OFF MARKET

Last listed at $589,900, closed on dec 2020

$802,298

Est. refi paymentEst. refi $3,273/mo

•

4,132

sq ft

186 Portmarnock Ln, Weldon Spring, MO 63304

About this home

Gorgeous lakes & golf course view South course 3rd & 4th hole, quiet culdesac. Enjoy viewing this well cared for beautiful home with cozy hearth room with fireplace, open kitchen ~ granite counter top, staggered cabinets, island, smooth top range, gleaming hardwood. Vaulted breakfast rm. Dining - gathering rm with coffered ceiling, custom shutters, wainscoting, wood flooring. Soaring vaulted ceilings in the great rm, wall of windows, built in cabinet space. Lovely vaulted master suite with fireplace, vaulted ceiling, updated luxury bath, lg closet w/organizers. Home office-perfect for a quiet work space or bedrm, 3rd bedrm custom shutters, palladium window, walk in closet. Stunning upscale common bath. Great grilling deck with a million dollar VIEW. Bonus ~ FULL In-Laws Quarters in the walk out lower level ~ kitchen with nice cabinet space, family rm with fireplace, 2 bedrms, well sized bathrm with upscale tile, sitting rm, private patio, GOLF VIEW - simply outstanding. GREAT updates!

Single-familyProperty Type

1989Year Built

0.54 acresLot Size

$194Est. Price/Sq.Ft.

2 car garageParking

Listed by Susan Brewer • Susan Brewer Service First RE

Bought with Luke Petrov • Kistner and Associates, LLC

Redfin checked: 2 minutes ago

•Source:MARIS as Distributed by MLS Grid #20070719

Redfin Estimate

$802,298

$212K over list price of $590K

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.3% lower than the average sale price ($838K) of 6 comparable homes.

SOLD SEP 10, 2026
$564,900
A
4 beds3.5 baths3,990 sq ft
32 Kensington Place Ct, Saint Charles, MO 63304
SOLD OCT 1, 2026
$749,000
B
3 beds3.5 baths3,209 sq ft
63 Leinster Hill Ln, Weldon Spring, MO 63304
SOLD SEP 17, 2026
$899,900
C
4 beds3 baths4,947 sq ft
1217 Grey Fox Run, Weldon Spring, MO 63304
SOLD JUN 1, 2026
$795,000
D
4 beds3.5 baths4,194 sq ft
110 Glendalough Ln, Weldon Spring, MO 63304
SOLD SEP 10, 2026
$1,280,000
E
5 beds3.5 baths4,091 sq ft
102 Enclave Terrace Ct, Weldon Spring, MO 63304
SOLD JUL 10, 2026
$739,000
F
4 beds4 baths4,152 sq ft
553 Malinmor Dr, Weldon Spring, MO 63304

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Earn from this home

Sell

$754,161

Est. take-home

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Refinance

Est. cash available

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Rent

$3,556/mo

Redfin rental estimate

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Market trends in 63304, MO

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.4%

0.6% MoM

Median sale price

$423K

$13K MoM

Avg. days on market

16d

6 days MoM

Recently sold homes

163

20 MoM

New listings for sale

COMING SOON
$559,900
4 beds3 baths2,822 sq ft
445 Mason Ridge Dr, Saint Charles, MO 63304
COMING SOON
$405,000
3 beds3 baths2,944 sq ft
4301 Standing Rock Ct, Saint Charles, MO 63304
$525,000
4 beds3.5 baths2,618 sq ft
5136 Silver Lake Ct, Saint Charles, MO 63304
COMING SOON
$475,000
4 beds3 baths3,333 sq ft
4012 Kim Kelly Dr, Saint Charles, MO 63304
OPEN SAT, 1PM TO 3PM
$485,000
4 beds2.5 baths2,515 sq ft
4863 Greenburg Dr, Saint Peters, MO 63304
3D WALKTHROUGH
$425,000
3 beds2 baths2,016 sq ft
109 Osage Way, Weldon Spring, MO 63304
COMING SOON
$400,000
3 beds3 baths1,924 sq ft
1094 Harness Dr, Saint Charles, MO 63304
3D WALKTHROUGH
$379,900
4 beds2.5 baths2,082 sq ft
21 Quiet Falls Ct, Saint Charles, MO 63304
COMING SOON
$409,900
4 beds4 baths2,394 sq ft
111 Valvero Dr, Saint Charles, MO 63304
COMING SOON
$725,000
5 beds4 baths4,187 sq ft
33 Weldon Spring Heights Dr, Weldon Spring, MO 63304
See all

Provided by Redfin

Sale history for 186 Portmarnock Ln

Date

Event

Price

Public Records

Dec 7, 2020

Sold

$580,000

$140/sq ft

MARIS as Distributed by MLS Grid #20070719

Dec 4, 2020

Delisted

—

Dec 3, 2020

Sold

Oct 14, 2020

Pending

—

Oct 12, 2020

Listed

$589,900

$143/sq ft

Oct 6, 2020

Coming Soon

$589,900

$143/sq ft

Public Records

Nov 9, 2015

Sold

$473,000

$114/sq ft

MARIS as Distributed by MLS Grid #15038329

Nov 5, 2015

Sold

Oct 16, 2015

Contingent

—

Aug 4, 2015

Price Changed

$500,000

$121/sq ft

Jul 8, 2015

Price Changed

$525,000

$127/sq ft

Jul 2, 2015

Listed

$535,000

$129/sq ft

+41

Living the Dream! If you want all today's updates on a fantastic lot w/a panoramic view of 2 lakes and the 3rd & 4th holes on the South course on Whitmoor Country Club, this home is for you. The endless list of upgrades ($150k) is sure to impress, including James Harding siding, new kitchen w/granite and new appliances, remodeled bathrooms, and so much more! Master suite with the fantastic view and floor to ceiling fireplace is the perfect retreat after a long day. Multiple entertainment areas extend throughout this home with a great outdoor space, expanded kitchen, breakfast and hearth room with see through fireplace, and beautifully finished lower level with 2 additional bedrooms, exercise room, billiard room, rec room with a fireplace & kitchen/wet bar. Come see all this gorgeous home has to offer today! Additional Rooms: Sun Room

MARIS as Distributed by MLS Grid #15013689

May 1, 2015

Price Changed

$535,000

$129/sq ft

Mar 17, 2015

Listed

$550,000

$133/sq ft

Public Records

Mar 5, 2008

Sold

—

Public Records

Mar 5, 2008

Sold

$415,000

$100/sq ft

Public Records

Dec 16, 2003

Sold

$367,920

$89/sq ft

Public Records

Dec 6, 2000

Sold

$355,000

$86/sq ft

Public Records

Aug 31, 1998

Sold

$340,500

$82/sq ft

Public Records

Sep 1, 1993

Sold

$258,200

$62/sq ft

Public Records

Oct 1, 1989

Sold

—

Public Records

Jun 1, 1989

Sold

—

Public Records

Jun 1, 1989

Sold

$244,580

$59/sq ft

Tax history for 186 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

Beds

Baths

3.5

Stories

Lot width

—

Lot depth

—

Lot size

0.54 Acres

Year renovated

—

Sq. Ft.

4,023

Year built

1989

Style

Single Family Residential

County

St. Charles County

APN

3-121B-6315-00-0068.0000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 7, 2026.

Property details

Parking

Parking Information
Covered Spaces: 2
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: 5
# of Bedrooms Main: 3

Bathroom Information
# of Full Baths (Total): 3
# of Half Baths (Total): 1
# of Main Level Bathrooms (Total): 3
# of Main and Upper Bathrooms: 3
Main Level # of Half Bathrooms: 1
Main Level # of Full Bathrooms: 2

Room 1 Information
Room Type: Great Room
Room Dimensions: 18x18
Room Length: 18
Room Width: 18
Room Level: Second or Main

Room 2 Information
Room Type: Hearth Room
Room Dimensions: 13x11
Room Length: 13
Room Width: 11
Room Level: Second or Main

Room 3 Information
Room Type: Dining Room
Room Dimensions: 14x13
Room Length: 14
Room Width: 13
Room Level: Second or Main

Room 4 Information
Room Type: Office
Room Dimensions: 11x10
Room Length: 11
Room Width: 10
Room Level: Second or Main

Room 5 Information
Room Type: Kitchen
Room Dimensions: 13x12
Room Length: 13
Room Width: 12
Room Level: Second or Main

Room 6 Information
Room Type: Breakfast Room
Room Dimensions: 11x11
Room Length: 11
Room Width: 11
Room Level: Second or Main

Room 7 Information
Room Type: Master Bedroom
Room Dimensions: 19x14
Room Length: 19
Room Width: 14
Room Level: Second or Main

Room 8 Information
Room Type: Bedroom
Room Dimensions: 12x12
Room Length: 12
Room Width: 12
Room Level: Second or Main

Room 9 Information
Room Type: Bedroom
Room Dimensions: 12x11
Room Length: 12
Room Width: 11
Room Level: Second or Main

Room 10 Information
Room Type: Family Room
Room Dimensions: 23x19
Room Length: 23
Room Width: 19
Room Level: First or Lower

Room 11 Information
Room Type: Kitchen
Room Dimensions: 14x11
Room Length: 14
Room Width: 11
Room Level: First or Lower

Room 12 Information
Room Type: Breakfast Room
Room Dimensions: 11x11
Room Length: 11
Room Width: 11
Room Level: First or Lower

Room 13 Information
Room Type: Bedroom
Room Dimensions: 19x14
Room Length: 19
Room Width: 14
Room Level: First or Lower

Room 14 Information
Room Type: Bedroom
Room Dimensions: 7x6
Room Length: 7
Room Width: 6
Room Level: First or Lower

Room 15 Information
Room Type: Recreation Room
Room Dimensions: 19x14
Room Length: 19
Room Width: 14
Room Level: First or Lower

Room 16 Information
Room Type: Laundry
Room Dimensions: 7x6
Room Length: 7
Room Width: 6
Room Level: Second or Main

Basement Information
Has Basement
Basement Features: Concrete, Bathroom in LL, Fireplace in LL, Full, Rec/Family Area, Sleeping Area, Walk-Out Access

Other Rooms Information
# of Rooms: 16

Fireplace Information
Has Fireplace
# of Fireplaces: 4
Fireplace Features: Full Masonry, Gas, Woodburning Fireplce

Heating & Cooling
Has Heating
Heating Information: Dual, Forced Air 90+, Humidifier
Cooling Information: Ceiling Fan(s), Electric, Zoned

Interior Features
Interior Features: Bookcases, High Ceilings, Open Floorplan, Special Millwork, Vaulted Ceiling, Walk-in Closet(s), Wet Bar, Some Wood Floors
Window Features: Six Panel Door(s), Bay/Bow Window, Lever Style Door Handles, Sliding Glass Doors, Some Insulated Wndws, Some Tilt-In Windows
Appliances: Central Vacuum, Dishwasher, Microwave, Electric Oven, Wall Oven

Exterior

Building Information
Construction Materials: Brick, Fiber Cement

Property Information
Ownership Type: Private
Property Type: Residential
Property Sub Type: Residential
Above Grade Finished Area: 2,462
Above Grade Finished Area Source: Public Records
Below Grade Finished Area: 1,670
Below Grade Finished Area Source: Other

Lot Information
Lot Features: Backs To Golf Course, Cul-De-Sac, Level Lot, Streetlights, Water View
Lot Size Acres: 0.54
Lot Size Dimensions: .54 acre
Lot Size Source: County Records

Financial

Tax Information
Tax Annual Amount: $5,724
Tax Year: 2019

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Location

HOA Information
Association Amenities: Golf Course, Pool, Tennis Court(s), Clubhouse, Underground Utilities
Association Fee: $800
Association Fee Frequency: Annually

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: Highway 94 to Wolfrum Road, Turn left into Whitmoor Country Club onto Whitmoor Drive then left onto Portmarnock Lane

Public facts

Beds: 3
Baths: 3.5
Sq. Ft.: 4,023
Stories: 1.0
Lot Size: 0.54 acres
Style: Single Family Residential
Year Built: 1989
Year Renovated: —
County: St. Charles County
APN: 3-121B-6315-00-0068.0000000

Home facts updated by county records on Aug 7, 2026

Other

Listing Date Information
Expected Active Date: Tuesday, October 12, 2021

Home Information
Living Area: 4132
Levels: One

Around this home

Schools

Independence Elementary School

Public K-5 • Assigned • 1.7mi

10/10

Bryan Middle School

Public 6-8 • Assigned • 1.6mi

9/10

Francis Howell High School

Public 9-12 • Assigned • 4.4mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk 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

2 unhealthy days expected this year, 2 days in 30 years

Provided by First Street

Historical weather

Weldon Spring, MO • 63304

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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.

9.7 hrs

4.2 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$763,000 – $923,000

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New listings for sale in 63304

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COMING SOON

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OPEN SAT, 1PM TO 3PM

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3D WALKTHROUGH

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COMING SOON

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COMING SOON

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Home values near 186 Portmarnock Ln

Data from public records.

Address	Redfin Estimate
190 Portmarnock Ln, Weldon Spring, MO 4 Beds \| 3 Baths \| 4154 Sq. Ft.	$722,538
189 Portmarnock Ln, Weldon Spring, MO 4 Beds \| 2 Baths \| 2830 Sq. Ft.	$639,484

Address	Redfin Estimate
180 Portmarnock Ln, Weldon Spring, MO 4 Beds \| 4 Baths \| 6570 Sq. Ft.	$868,599
185 Portmarnock Ln, Weldon Spring, MO 3 Beds \| 2 Baths \| 2818 Sq. Ft.	$634,398

Address	Redfin Estimate
188 Portmarnock Ln, Weldon Spring, MO 2 Beds \| 3 Baths \| 4244 Sq. Ft.	$763,961
187 Portmarnock Ln, Weldon Spring, MO 5 Beds \| 3 Baths \| 4400 Sq. Ft.	$731,850

Property information provided by MARIS as Distributed by MLS Grid when last listed in 2020. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 63304, MO

Sale history for 186 Portmarnock Ln

Tax history for 186 Portmarnock Ln

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 63304

Home values near 186 Portmarnock Ln

More real estate resources