Google street view image for 515 Mark Twain Loop, Union, MO 63084

Off market oct 2003 for $32K

$373,330

Est. refi paymentEst. refi $267/mo

•

4 ba

•

1,790

sq ft

515 Mark Twain Loop, Union, MO 63084

About this home

515 Mark Twain Loop is a 1,790 square foot house on a 1.6 acre lot with 3 bedrooms and 4 bathrooms. - it last sold on October 06, 2003 for $32,000. Based on Redfin's Union data, we estimate the home's value is $373,330.

Single-familyProperty Type

2006Year Built

1.6 acresLot Size

$209Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$373,330

$341K since sold in October 2003$8,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 17.1% higher than the average sale price ($319K) of 6 comparable homes.

SOLD SEP 3, 2026
$310,000
A
3 beds3 baths2,167 sq ft
74 Hickory Cir, Union, MO 63084
SOLD DEC 2, 2025
$339,000
B
3 beds3 baths1,796 sq ft
539 Mark Twain Loop, Union, MO 63084
BOUGHT WITH REDFIN MAY 1, 2026
$294,500
C
3 beds3 baths1,400 sq ft
54 Hickory Cir, Union, MO 63084
SOLD JUN 5, 2026
$309,900
D
3 beds2 baths1,536 sq ft
7025 Highway Bb, Union, MO 63084
SOLD JUL 2, 2026
$325,000
E
3 beds3 baths2,162 sq ft
3762 Highway A, Union, MO 63084
SOLD MAY 29, 2026
$335,000
F
4 beds3 baths1,806 sq ft
105 Old Farm Estates Rd, Union, MO 63084

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Earn from this home

Refinance

Est. cash available

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Rent

$1,716/mo

Redfin rental estimate

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Market trends in 63084, MO

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.1%

1.4% MoM

Median sale price

$275K

$81 MoM

Avg. days on market

34d

2 days MoM

Recently sold homes

2 MoM

New listings for sale

VIDEO TOUR
$1,249,900
4 beds3 baths3,055 sq ft
130 Valley Oaks Ln, Union, MO 63084
COMING SOON
$590,000
4 beds3.5 baths3,195 sq ft
685 Little Fox Ct, Union, MO 63084
COMING SOON
$279,000
4 beds2.5 baths2,000 sq ft
4 Kee Dr, Union, MO 63084
$239,900
2 beds2 baths1,400 sq ft
1025 Hawk Ridge Dr, Union, MO 63084
LISTED BY REDFIN
$775,000
4 beds4.5 baths4,848 sq ft
528 Grandview Farms Dr, Union, MO 63084
$485,000
2 beds2.5 baths2,400 sq ft
7147 Highway 47, Union, MO 63084
$615,000
5 beds3.5 baths4,447 sq ft
8 Riverchase Dr, Union, MO 63084
See all

Provided by Redfin

Sale history for 515 Mark Twain Loop

Year

Property tax

Land + Additions

Assessment*

2025

$2,650 (+7.8%)

2024

$2,458 (+0.2%)

2023

$2,452 (−6.8%)

2022

$2,632 (−0.2%)

$8,246 + $40,943

$49,189

2021

$2,636 (+8.3%)

$8,246 + $40,943

$49,189

2020

$2,434 (+0.3%)

$8,246 + $36,512

$44,758

2019

$2,427 (+15.4%)

$8,246 + $36,512

$44,758

2018

$2,103 (−0.4%)

$8,246 + $36,512

$44,758

2017

$2,112 (+1.6%)

$8,246 + $32,861

$41,107

2016

$2,078 (+1.8%)

$8,246 + $32,861

$41,107

2015

$2,041 (−1.3%)

$8,246 + $31,194

$39,440

2014

$2,068

$8,246 + $31,519

$39,765

Tax history for 515 Mark Twain Loop

Year

Property tax

Land + Additions

Assessment*

2025

$2,650 (+7.8%)

2024

$2,458 (+0.2%)

2023

$2,452 (−6.8%)

2022

$2,632 (−0.2%)

$8,246 + $40,943

$49,189

2021

$2,636 (+8.3%)

$8,246 + $40,943

$49,189

2020

$2,434 (+0.3%)

$8,246 + $36,512

$44,758

2019

$2,427 (+15.4%)

$8,246 + $36,512

$44,758

2018

$2,103 (−0.4%)

$8,246 + $36,512

$44,758

2017

$2,112 (+1.6%)

$8,246 + $32,861

$41,107

2016

$2,078 (+1.8%)

$8,246 + $32,861

$41,107

2015

$2,041 (−1.3%)

$8,246 + $31,194

$39,440

2014

$2,068

$8,246 + $31,519

$39,765

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Interior

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 7

Exterior

Property Information
Subdivision Name: TWIN LAKES
Living Sq. Ft: 1,790
# of Stories: 1
Stories Type: 1
Legal Description: LOT:20 TWIN LAKES

Lot Information
# of Buildings: 1
Land Sq. Ft: 69,696
Legal Lot Number: 20
Legal Block Number: 13
School Tax District: UNION
Municipality Name: NONE
Acres: 1.6
Zoning Code: ANU
County Use Description: RESIDENTIAL

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 4.0
Sq. Ft.: 1,790
Stories: 1.0
Lot Size: 1.6 acres
Style: Single Family Residential
Year Built: 2006
Year Renovated: —
County: Franklin County
APN: 17-4-20.0-0-013-036.190

Home facts updated by county records on Oct 26, 2026

Around this home

Schools

Central Elementary School

Public PreK-5 • Assigned • 3.1mi

8/10

Union Middle School

Public 6-8 • Assigned • 2.7mi

9/10

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

4/10 Heat Factor

7 days above 108° expected this year, 19 days in 30 years

2/10 Wind Factor

1% chance of strong winds in next 30 years

1/10 Air Factor

0 unhealthy days expected this year, 0 days in 30 years

Provided by First Street

Historical weather

Union, MO • 63084

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 9.8 hours in June and 4.3 hours in December, which is comparable to the U.S. average for solar exposure.

9.8 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$355,000 – $430,000

Sell confidently with a local market expert in Union. 3 minutes to get started.

Nearby similar homes

$109,900

Land— sq ft

000 Willow Creek Road Lot 2, Union, MO 63084

Private acreage • Electric at the road

$139,900

2 beds2 baths1,432 sq ft

7002 Highway Yy, Washington, MO 63090

1 acre • Private backyard • Mature trees

$615,000

5 beds3.5 baths4,447 sq ft

8 Riverchase Dr, Union, MO 63084

Quartz countertops • Granite sink • Tile backsplash

NEW CONSTRUCTION

$284,900

3 beds2.5 baths1,728 sq ft

2 Berwick at St. Andrews Mnr, Union, MO 63084

Spacious family room • Expansive kitchen • Large dining area

$175,000

3 beds1 bath1,290 sq ft

115 North Christina St, Union, MO 63084

Flat topography • 2 garage spots • Built 1925

FOR SALE BY OWNER

$545,000

3 beds3 baths2,136 sq ft

215 Country Club Grounds, Washington, MO 63090

Anderson windows • Solid wood doors • Open floor plan

New listings for sale in 63084

VIDEO TOUR

$1,249,900

4 beds3 baths3,055 sq ft

130 Valley Oaks Ln, Union, MO 63084

Covered deck • Newer roof • 60 x 40 workshop

COMING SOON

$590,000

4 beds3.5 baths3,195 sq ft

685 Little Fox Ct, Union, MO 63084

Private drive • Huge outbuilding • Covered front porch

COMING SOON

$279,000

4 beds2.5 baths2,000 sq ft

4 Kee Dr, Union, MO 63084

Newer roof • Storage shelving • 8,712 sq ft lot

$239,900

2 beds2 baths1,400 sq ft

1025 Hawk Ridge Dr, Union, MO 63084

Open floor plan • New carpet • Large kitchen space

LISTED BY REDFIN3D WALKTHROUGH

$775,000

4 beds4.5 baths4,848 sq ft

528 Grandview Farms Dr, Union, MO 63084

Dedicated office • Full second kitchen • Barn

$485,000

2 beds2.5 baths2,400 sq ft

7147 Highway 47, Union, MO 63084

Open floor plan • Vaulted ceilings • Spacious loft area

$615,000

5 beds3.5 baths4,447 sq ft

8 Riverchase Dr, Union, MO 63084

Quartz countertops • Granite sink • Tile backsplash

Home values near 515 Mark Twain Loop

Data from public records.

Address	Redfin Estimate
503 Mark Twain Loop, Union, MO 4 Beds \| 3.5 Baths \| 3400 Sq. Ft.	$464,838
528 Mark Twain Loop, Union, MO 3 Beds \| 1 Baths \| 1517 Sq. Ft.	$320,296

Address	Redfin Estimate
540 Mark Twain Loop, Union, MO 3 Beds \| 2 Baths \| 2268 Sq. Ft.	$367,151
510 Mark Twain Loop, Union, MO 3 Beds \| 1 Baths \| 1529 Sq. Ft.	$315,293

Address	Redfin Estimate
534 Mark Twain Loop, Union, MO 3 Beds \| 3 Baths \| 2188 Sq. Ft.	$402,229
491 Mark Twain Loop, Union, MO 4 Beds \| 6 Baths \| 2944 Sq. Ft.	$513,661

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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 63084, MO

Sale history for 515 Mark Twain Loop

Tax history for 515 Mark Twain Loop

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 63084

Home values near 515 Mark Twain Loop

More real estate resources