Château D’ Mont is a private South Texas estate of exceptional scale, offering 12,700 sq. ft. in the main residence across approximately 8.43 acres. Designed for refined living and grand-scale entertaining, the residence features seven bedrooms, four recreation rooms, a private office, gym, steam room, media/security room, formal dining hall, and laundry rooms on both the first and second floors. Marble finishes, statement chandeliers, bespoke fixtures, soaring ceilings, an expansive second-floor balcony, and an accessible third-floor dome elevate the home’s architectural presence. Climate-controlled split garages accommodate up to seven vehicles. Separate from the main residence, a 1,900 sq. ft. three-bedroom guest house offers complete privacy, while an air-conditioned outdoor kitchen and pavilion create an exceptional setting for entertaining. A substantial storage facility adds discreet utility. Château D’ Mont is a rare estate defined by privacy, scale, and distinction.
Chteau D' Mont is a private South Texas estate of exceptional scale, offering 12,700 sq. ft. in the main residence across approximately 8.43 acres. Designed for refined living and grand-scale entertaining, the residence features seven bedrooms, four recreation rooms, a private office, gym, steam room, media/security room, formal dining hall, and laundry rooms on both the first and second floors. Marble finishes, statement chandeliers, bespoke fixtures, soaring ceilings, an expansive second-floor balcony, and an accessible third-floor dome elevate the home's architectural presence. Climate-controlled split garages accommodate up to seven vehicles. Separate from the main residence, a 1,900 sq. ft. three-bedroom guest house offers complete privacy, while an air-conditioned outdoor kitchen and pavilion create an exceptional setting for entertaining. A substantial storage facility adds discreet utility. Chteau D' Mont is a rare estate defined by privacy, scale, and distinction.
RGVMLS #1
Jul 21, 2026
Price Changed
$4,200,000
$331/sq ft
Jul 20, 2026
Price Changed
$3,900,000
$307/sq ft
Public Records
Dec 1, 2011
Sold
*
Public Records
Jul 23, 1993
Sold
*
Public Records
Mar 1, 1990
Sold
*
Year
Property tax
Land + Additions
Assessment*
2025
$29,922 (−11.5%)
$159,976 + $1,691,157
$1,851,133
2024
$33,811 (−2.7%)
$159,976 + $1,933,355
$2,093,331
2023
$34,737 (+36.8%)
$159,976 + $1,951,935
$2,111,911
2022
$25,384 (−1.0%)
$159,976 + $1,183,988
$1,343,964
2021
$25,647 (+0.3%)
$159,976 + $1,195,047
$1,355,023
2020
$25,577 (+50.8%)
$159,976 + $1,175,640
$1,335,616
2019
$16,955 (−2.6%)
$159,976 + $704,337
$864,313
2018
$17,405 (+50.2%)
$159,976 + $705,582
$865,558
2017
$11,591 (−33.9%)
$159,976 + $416,965
$576,941
2016
$17,529 (+24.9%)
$159,976 + $416,965
$576,941
2015
$14,038 (+59.2%)
$159,976 + $712,572
$872,548
2014
$8,818
$159,976 + $303,195
$463,171
Public record
Beds
—
Baths
—
Stories
—
Lot width
—
Lot depth
—
Lot size
8.43 Acres
Year renovated
2012
Finished Sq. Ft.
1,546
Unfinished Sq. Ft.
—
Total Sq. Ft.
1,546
Year built
2012
Style
Single Family Residential
County
Cameron County
APN
98-8851-0010-0080-00
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 5, 2026.
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
3% chance of being in a wildfire in next 30 years
9/10 Heat Factor
7 days above 110° expected this year, 24 days in 30 years
9/10 Wind Factor
99% 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
Harlingen, TX • 78552
Average low and high temperatures (°F)
68
50
78
57
85
64
85
69
90
73
92
78
96
78
96
77
92
74
89
69
84
64
76
58
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
97/ 100
Exceptional sunlight
Sunscore
This home receives average direct sun exposure in Harlingen. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
10.3 hrs
7.8 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 16157 Mayfield Rd
We cannot show automated home-value estimates for this home.
Nearby homes have recently listed between $424,900 and $920,000.
Nearby comparable homes
The Redfin Estimate uses 5 recent nearby sales, priced between $425K to $920K.