1280 Old Mill Rd is a 1,547 square foot house on a 7.95 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's McKinney data, we estimate the home's value is $608,724.
Single-familyProperty Type
1969Year Built
7.95 acresLot Size
$393Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$608,724
$31K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 60.3% higher than the average sale price ($380K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
AG
Agricultural District
The purpose of the AG zoning district is to allow for rural and agricultural uses. This district is generally appropriate within the following placetype(s) in the One McKinney 2040 Comprehensive Plan: Rural Living and Estate Residential.
Permitted uses
Include but are not limited to:
Agriculture
Greenhouse / nursery
Livestock production
Ranch
Housing-Single unit
Office
Public service
Educational/school
Recreation
Veterinary clinic
Property details
Interior
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Room Information
# of Rooms: 6
Exterior
Exterior Information
Foundation Type: Pier
Construction Type: Wood
Exterior Wall: Brick
Roof Shape Type: Hip
Pool Information
Has Pool
Property Information
Living Sq. Ft: 1,547
Ground Floor Sq. Ft: 1,547
Building Sq. Ft: 2,027
# of Stories: 1
Legal Description: ABS A0287 F T DAFFAU SURVEY, TRACT 64, 7.95 ACRES
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 480
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 346,302
Municipality Type: CMC
Municipality Name: COLLIN
Acres: 7.95
County Use Description: FARM-RNCH-RES IMP ON RUR LAND
State Use Description: REAL FARM & RANCH SINGLE FAMIL
Financial
Assessor Information
Assessment Year: 2026
Tax District County: COLLIN COUNTY
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,547
Stories: 1.0
Lot Size: 7.95 acres
Style: Single Family Residential
Year Built: 1969
Year Renovated: 1985
County: Collin County
APN: R-6287-000-0640-1
Home facts updated by county records on Oct 14, 2026
Around this home
Schools
Albert & Iola Lee Davis Malvern Elementary School
Public K-5 • Assigned • 2.3mi
5/10
Leonard Evans Junior Middle School
Public 6-8 • Assigned • 6.3mi
7/10
McKinney High School
Public 9-12 • Assigned • 2.6mi
7/10
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
4/10 Fire Factor
3% chance of being in a wildfire in next 30 years
7/10 Heat Factor
6 days above 110° expected this year, 20 days in 30 years
6/10 Wind Factor
27% chance of strong winds in next 30 years
3/10 Air Factor
3 unhealthy days expected this year, 3 days in 30 years
Provided by First Street
Historical weather
McKinney, TX • 75069
Average low and high temperatures (°F)
54
33
64
41
76
53
77
59
83
63
91
74
95
75
93
74
90
67
85
60
71
50
61
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.9 hours in
June and 5.4 hours in December, placing it above the
U.S. average for solar exposure.
9.9 hrs
5.4 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$579,000 – $701,000
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