OFF MARKET

Last listed at $549,900, closed on mar 2021

$731,850

Est. refi paymentEst. refi $1,479/mo

•

4,400

sq ft

187 Portmarnock Ln, Weldon Spring, MO 63304

About this home

Gorgeous atrium ranch in Whitmoor Country Club features 5 bedrooms (3 up, 2 down) & 3 updated full baths. Neutral grey paint throughout, hardwood floors. The great room features a brick fireplace, exposed wooden beam and floor to ceiling windows that overlook the yard. The kitchen has been updated with granite countertops, white cabinets, ss appliances, double oven, planning area, updated light fixtures and center island. The sunroom is an added bonus room that has a door off to the deck. There is a separate dining room. The master bedroom has a large walk in closet and balcony overlooking the atrium. Master Bath has his/her sinks, jucuzzi tub and tiled shower. The basement features an additional fireplace, rec room, wet bar, wine cellar, den that walks out to the patio, workshop room, and the 3rd full bath. Outside is a firepit area and hole 3 off to the right. Side entry 2 car garage. Irrigation system. Enjoy the clubhouse amenities: golf course, pool, and tennis courts for $200/mo

Single-familyProperty Type

1988Year Built

0.44 acresLot Size

$166Est. Price/Sq.Ft.

2 car garageParking

Listed by Ashley Dorman • Grant Hickman Real Estate Advi

Bought with Suresh Maddi • Realty Executives of St. Louis

Redfin checked: 2 minutes ago

•Source:MARIS as Distributed by MLS Grid #20079761

Redfin Estimate

$731,850

$182K over list price of $550K

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8% higher than the average sale price ($678K) of 6 comparable homes.

SOLD JAN 9, 2026
$599,000
A
5 beds3 baths4,122 sq ft
142 Newgrange Pass, Weldon Spring, MO 63304
SOLD SEP 17, 2026
$899,900
B
4 beds3 baths4,947 sq ft
1217 Grey Fox Run, Weldon Spring, MO 63304
SOLD JUL 31, 2026
$518,500
C
4 beds2.5 baths4,154 sq ft
195 Muirfield Forest Ct, Saint Charles, MO 63304
SOLD DEC 11, 2025
$649,900
D
5 beds3 baths3,704 sq ft
148 Newgrange Pass, Weldon Spring, MO 63304
SOLD JUN 1, 2026
$795,000
E
4 beds3.5 baths4,194 sq ft
110 Glendalough Ln, Weldon Spring, MO 63304
SOLD JUL 10, 2026
$605,000
F
3 beds3 baths3,726 sq ft
74 W Meath Ring, Weldon Spring, MO 63304

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Earn from this home

Sell

$687,757

Est. take-home

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Refinance

Est. cash available

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Rent

$3,190/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 187 Portmarnock Ln

Date

Event

Price

Public Records

Mar 8, 2021

Sold

$560,000

$127/sq ft

MARIS as Distributed by MLS Grid #20079761

Jan 25, 2021

Pending

—

Jan 14, 2021

Price Changed

$549,900

$125/sq ft

Jan 14, 2021

Price Changed

$549,000

$125/sq ft

Jan 14, 2021

Relisted

—

Dec 29, 2020

Contingent

—

Dec 18, 2020

Price Changed

$548,000

$125/sq ft

Dec 5, 2020

Price Changed

$549,000

$125/sq ft

Dec 5, 2020

Relisted

—

Nov 27, 2020

Delisted

—

Nov 5, 2020

Listed

$556,900

$127/sq ft

Oct 29, 2020

Coming Soon

$556,900

$127/sq ft

Public Records

Sep 10, 1998

Sold

$210,000

$48/sq ft

Public Records

Nov 1, 1991

Sold

—

Public Records

Nov 1, 1991

Sold

—

Public Records

Mar 1, 1989

Sold

$236,000

$54/sq ft

Tax history for 187 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

Public record
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.44 Acres

Year renovated

—

Sq. Ft.

4,399

Year built

1988

Style

Single Family Residential

County

St. Charles County

APN

3-121B-6315-00-0067.0000000

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 Total: 2
Parking Features: Attached Garage, Garage Door Opener
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 Main Level Bathrooms (Total): 2
# of Main and Upper Bathrooms: 2
Main Level # of Full Bathrooms: 2

Room 1 Information
Room Type: Master Bedroom
Room Level: Second or Main

Room 2 Information
Room Type: Bedroom
Room Level: Second or Main

Room 3 Information
Room Type: Bedroom
Room Level: Second or Main

Room 4 Information
Room Type: Bedroom
Room Level: Second or Main

Room 5 Information
Room Type: Breakfast Room
Room Level: Second or Main

Room 6 Information
Room Type: Great Room
Room Level: Second or Main

Room 7 Information
Room Level: Second or Main

Room 8 Information
Room Type: Dining Room
Room Level: Second or Main

Room 9 Information
Room Type: Bedroom
Room Level: First or Lower

Room 10 Information
Room Type: Bedroom
Room Level: First or Lower

Room 11 Information
Room Type: Den
Room Level: First or Lower

Room 12 Information
Room Type: Family Room
Room Level: First or Lower

Room 13 Information
Room Type: Laundry

Room 14 Information
Room Type: Bonus Room

Basement Information
Has Basement
Basement Features: Full, Walk-Out Access

Other Rooms Information
# of Rooms: 15

Fireplace Information
Has Fireplace
# of Fireplaces: 2
Fireplace Features: Woodburning Fireplce

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

Interior Features
Interior Features: Cathedral Ceiling(s), Open Floorplan, Walk-in Closet(s), Wet Bar, Some Wood Floors
Window Features: Bay/Bow Window
Appliances: Electric Cooktop, Electric Oven, Stainless Steel Appliance(s)

Exterior

Building Information
Construction Materials: Brick Veneer, Vinyl Siding

Property Information
Ownership Type: Private
Property Type: Residential
Property Sub Type: Residential
Above Grade Finished Area: 2,399
Above Grade Finished Area Source: Public Records
Below Grade Finished Area: 2,000
Below Grade Finished Area Source: County Records

Lot Information
Lot Features: Backs To Golf Course
Lot Size Acres: 0.44
Lot Size Dimensions: .44
Lot Size Source: County Records

Financial

Tax Information
Tax Annual Amount: $4,926
Tax Year: 2019

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Location

HOA Information
Association Amenities: Golf Course, Pool, Tennis Court(s), Clubhouse
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: Hwy 94 to Wolfrum, left on Whitmoor, left on Malinmor, left on Portmarnock

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 4,399
Stories: 1.0
Lot Size: 0.44 acres
Style: Single Family Residential
Year Built: 1988
Year Renovated: —
County: St. Charles County
APN: 3-121B-6315-00-0067.0000000

Home facts updated by county records on Aug 7, 2026

Other

Listing Date Information
Expected Active Date: Wednesday, November 11, 2020

Home Information
Living Area: 4400
Builder Name: Whittaker
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

$696,000 – $842,000

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Nearby similar homes

$890,000

Land— sq ft

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NEW CONSTRUCTION

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New listings for sale in 63304

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

Home values near 187 Portmarnock Ln

Data from public records.

Address	Redfin Estimate
190 Portmarnock Lane, Weldon Spring, MO 4 Beds \| 3 Baths \| 4154 Sq. Ft.	$722,538
188 Portmarnock Lane, Weldon Spring, MO 2 Beds \| 3 Baths \| 4244 Sq. Ft.	$763,961

Address	Redfin Estimate
186 Portmarnock Lane, Weldon Spring, MO 5 Beds \| 3.5 Baths \| 4132 Sq. Ft.	$802,298
189 Portmarnock Lane, Weldon Spring, MO 4 Beds \| 2 Baths \| 2830 Sq. Ft.	$639,484

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

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 187 Portmarnock Ln

Tax history for 187 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 187 Portmarnock Ln

More real estate resources