As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$454 (−6.2%)
$13,931
2024
$484 (−0.1%)
$13,931
2023
$485 (+2.5%)
$13,658
2022
$473 (−0.1%)
$13,391
2021
$473 (+0.2%)
$13,129
2020
$472 (+0.3%)
$12,872
2019
$470 (+0.2%)
$12,741
2018
$469 (+0.4%)
$12,492
2017
$467 (+0.7%)
$12,008
2016
$464 (−0.2%)
$12,008
2015
$465 (−0.6%)
$11,773
2014
$468 (+2.5%)
$11,370
2012
$457 (+0.5%)
$11,319
2011
$455 (−22.1%)
$11,098
2010
$583 (−0.9%)
$42,781
2009
$589 (+0.2%)
$55,600
2008
$587
$55,600
Tax history for 10 Del Rio Ct
Year
Property tax
Land + Additions
Assessment*
2025
$454 (−6.2%)
$13,931
2024
$484 (−0.1%)
$13,931
2023
$485 (+2.5%)
$13,658
2022
$473 (−0.1%)
$13,391
2021
$473 (+0.2%)
$13,129
2020
$472 (+0.3%)
$12,872
2019
$470 (+0.2%)
$12,741
2018
$469 (+0.4%)
$12,492
2017
$467 (+0.7%)
$12,008
2016
$464 (−0.2%)
$12,008
2015
$465 (−0.6%)
$11,773
2014
$468 (+2.5%)
$11,370
2012
$457 (+0.5%)
$11,319
2011
$455 (−22.1%)
$11,098
2010
$583 (−0.9%)
$42,781
2009
$589 (+0.2%)
$55,600
2008
$587
$55,600
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Feb 16, 2016 • Final
Single family res
Install earthquake bracing.
Remodel
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
Exterior
Mobile Home Information
Is Mobile Home
Property Information
Legal Description: 700-101-010
Lot Information
County Use Description: MOBILE HOME
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Mobile/Manufactured Home
Year Built: —
Year Renovated: —
County: Napa County
APN: 910000057000
Home facts updated by county records on Jul 15, 2026
Around this home
Schools
Saint Helena Elementary School
Public 3-5 • Assigned • 0.9mi
8/10
Robert Louis Stevenson Intermediate School
Public 6-8 • Assigned • 1.0mi
4/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
9/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
5/10 Heat Factor
9 days above 99° expected this year, 19 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
22 unhealthy days expected this year, 22 days in 30 years
Provided by First Street
Historical weather
Saint Helena, CA • 94574
Average low and high temperatures (°F)
59
39
59
41
67
44
66
45
76
50
83
52
83
53
89
56
84
54
75
49
61
43
57
41
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
Try the sun simulator tool to see how light moves across the property at different times of day and year.