27518 Calvin Rd is a 480 square foot house on a 0.91 acre lot with 1 bedroom and 1 bathroom. Based on Redfin's Huffman data, we estimate the home's value is $155,021.
Single-familyProperty Type
1965Year Built
0.91 acresLot Size
$323Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$155,021
$3,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 47.7% lower than the average sale price ($296K) 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
Nov 16, 2022 • Final
Plumbing pmt
Work on residential plumbing.
Plumbing
Mar 14, 2018 • Final
E1-addl-elect
Electrical
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
Basement Information
Basement Type: Crawl-Space
Bathroom Information
# of Full Baths: 1
# of Bathroom Fixtures: 5
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Room Information
# of Rooms: 1
Exterior
Exterior Information
Physical Condition: Very Good
Foundation Type: Raised W/Crawlspace
Building Style Type: Traditional
Building Construction Quality: Low
Exterior Wall: Frame Concrete Block/Brick
Building Type: Single Family
Property Information
Subdivision Name: PERPETUAL OIL CO
Living Sq. Ft: 480
Gross Sq. Ft: 720
Adjusted Gross Sq. Ft: 559
Ground Floor Sq. Ft: 480
Building Sq. Ft: 480
# of Stories: 1
Legal Description: LT 144 & TR 143 PERPETUAL OIL COMPANY
Parking & Garage Information
# of Parking Spaces: 5
Parking Type: Off Street
Lot Information
# of Buildings: 1
Land Sq. Ft: 39,560
Legal Lot Number: 144
Water District: HARRIS CO FLOOD CNTRL
Municipality Type: 061
Municipality Name: HOUSTON
Acres: 0.9082
County Use Description: RES IMPRVD TABLE VAL
State Use Description: SGL-FAM-RES-HOME
Location Information
Parcel Location Influence: Primary
Utility Information
Sewer Type: Private
Water Service Type: Private
Financial
Assessor Information
Assessment Year: 2025
Tax District County: HARRIS COUNTY
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 480
Stories: 1.0
Lot Size: 0.91 acres
Style: Single Family Residential
Year Built: 1965
Year Renovated: 1965
County: Harris County
APN: 0503480000143
Home facts updated by county records on Jul 23, 2026
Around this home
Schools
Huffman Elementary School
Public PreK-5 • Assigned • 2.5mi
3/10
Huffman Middle School
Public 6-8 • Assigned • 4.4mi
4/10
Hargrave High School
Public 9-12 • Assigned • 4.4mi
6/10
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
9/10 Heat Factor
7 days above 112° expected this year, 24 days in 30 years
9/10 Wind Factor
99% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 2 days in 30 years
Provided by First Street
Historical weather
Huffman, TX • 77336
Average low and high temperatures (°F)
60
42
71
51
78
58
81
65
85
68
90
75
92
75
93
75
90
71
87
63
77
57
68
50
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.4 hours in
June and 4.8 hours in December, which is comparable to the
U.S. average for solar exposure.
9.4 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$148,000 – $179,000
Sell confidently with a local market expert in Huffman. 3 minutes to get started.