2550 Thunder Mountain Rd is a 2,592 square foot house on a 1.03 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on November 30, 1981 for $150,000. Based on Redfin's Upland data, we estimate the home's value is $1,176,538.
Single-familyProperty Type
1979Year Built
1.03 acresLot Size
$454Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,176,538
$1.0M since sold in November 1981$3,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.5% lower than the average sale price ($1.29M) 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.
Permits
Jan 14, 2025 • Final
Residential accessory
Grading
Jan 14, 2025 • Active
Wall and fence
Construct new site retaining walls.
Grading
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Heating & Cooling
Air Conditioning Type: Refrigeration
Heating Fuel Type: Gas Public/Piped
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Modern
Construction Type: Frame
Property Information
Subdivision Name: SAN ANTONIO HEIGHTS
Living Sq. Ft: 2,592
Ground Floor Sq. Ft: 2,592
Building Sq. Ft: 3,033
# of Stories: 1
Legal Description: LOT 9 BLK 29 SAN ANTONIO HEIGHTS EX ANY PTN LYING THAT PTN DEEDED TO SAN BERNARDINO CO FLOOD CONTROL DISTRICT BY DOC NO 204402 9-10-80 O R
Parking & Garage Information
# of Parking Spaces: 4
Parking Type: Attached Frame Garage
Garage/Parking Sq. Ft: 441
Garage / Carport Type: Attached Frame
Lot Information
# of Buildings: 1
Land Sq. Ft: 45,000
Legal Lot Number: 9
Legal Block Number: 29
Municipality Name: FONTANA
Acres: 1.033
Depth Footage: 300
Front Footage: 150
Zoning Code: RS-14M
County Use Description: SINGLE FAMILY RES
Location Information
Parcel Location Influence: Creek
Utility Information
Electricity / Wiring Type: Overhead Wires
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax District County: FONTANA
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,592
Stories: 1.0
Lot Size: 1.03 acres
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1979
County: San Bernardino County
APN: 1003 041 08 0 000
Home facts updated by county records on Oct 5, 2026
Around this home
Schools
K - 12
Preschool & daycare
Valencia Elementary School
Public K-6 • Assigned • 1.3mi
9/10
Pioneer Junior High School
Public 7-8 • Assigned • 2.1mi
8/10
Upland High School
Public 9-12 • Assigned • 3.8mi
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
10/10 Fire Factor
74% chance of being in a wildfire in next 30 years
6/10 Heat Factor
6 days above 98° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
30 unhealthy days expected this year, 35 days in 30 years
Provided by First Street
Historical weather
Upland, CA • 91784
Average low and high temperatures (°F)
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53
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65
91
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85
66
78
59
70
54
69
53
Jan
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Sun exposure
In this area, properties receive around 10.2 hours in
June and 6.8 hours in December, placing it above the
U.S. average for solar exposure.
10.2 hrs
6.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.12M – $1.35M
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