644 Powderhorn Ave is a 2,103 square foot house on a 3,999 square foot lot with 5 bedrooms and 3 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $741,296.
Single-familyProperty Type
1999Year Built
3,999 sq ftLot Size
$352Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$741,296
$13K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.6% higher than the average sale price ($730K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,890 (+1.2%)
$87,934 + $258,246
$346,180
2024
$3,844 (−1.2%)
$86,210 + $253,183
$339,393
2023
$3,890 (+3.7%)
$84,520 + $248,219
$332,739
2022
$3,749 (+1.1%)
$82,863 + $243,352
$326,215
2021
$3,708 (+3.0%)
$81,239 + $238,581
$319,820
2020
$3,601 (+1.3%)
$79,647 + $233,903
$313,550
2019
$3,556 (+0.9%)
$78,831 + $231,505
$310,336
2018
$3,526 (+2.5%)
$77,286 + $226,966
$304,252
2017
$3,440 (+4.8%)
$74,286 + $218,153
$292,439
2015
$3,283 (+3.7%)
$72,830 + $213,876
$286,706
2014
$3,167 (+1.4%)
$70,332 + $206,538
$276,870
2013
$3,124 (+1.9%)
$70,332 + $206,538
$276,870
2012
$3,067 (+2.3%)
$70,015 + $205,605
$275,620
2011
$2,998 (+2.8%)
$68,643 + $201,574
$270,217
2010
$2,917
$67,298 + $197,622
$264,920
2009
$2,919 (+4.3%)
$66,796 + $196,146
$262,942
2007
$2,799
$65,643 + $192,757
$258,400
Tax history for 644 Powderhorn Ave
Year
Property tax
Land + Additions
Assessment*
2025
$3,890 (+1.2%)
$87,934 + $258,246
$346,180
2024
$3,844 (−1.2%)
$86,210 + $253,183
$339,393
2023
$3,890 (+3.7%)
$84,520 + $248,219
$332,739
2022
$3,749 (+1.1%)
$82,863 + $243,352
$326,215
2021
$3,708 (+3.0%)
$81,239 + $238,581
$319,820
2020
$3,601 (+1.3%)
$79,647 + $233,903
$313,550
2019
$3,556 (+0.9%)
$78,831 + $231,505
$310,336
2018
$3,526 (+2.5%)
$77,286 + $226,966
$304,252
2017
$3,440 (+4.8%)
$74,286 + $218,153
$292,439
2015
$3,283 (+3.7%)
$72,830 + $213,876
$286,706
2014
$3,167 (+1.4%)
$70,332 + $206,538
$276,870
2013
$3,124 (+1.9%)
$70,332 + $206,538
$276,870
2012
$3,067 (+2.3%)
$70,015 + $205,605
$275,620
2011
$2,998 (+2.8%)
$68,643 + $201,574
$270,217
2010
$2,917
$67,298 + $197,622
$264,920
2009
$2,919 (+4.3%)
$66,796 + $196,146
$262,942
2007
$2,799
$65,643 + $192,757
$258,400
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jun 28, 2015 • Final
Residential mechanical
Replace the furnace in a residential building.
HVAC
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
Bathroom Information
# of Full Baths: 3
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: MEADOW VISTA 01
Living Sq. Ft: 2,103
Building Sq. Ft: 2,103
# of Stories: 2
Legal Description: 98 FM 044-091-020 MEADOW VISTA UNIT 1 LOT 25
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,999
Legal Lot Number: 25
Acres: 0.0918
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 2,103
Stories: 2.0
Lot Size: 3,999 square feet
Style: Single Family Residential
Year Built: 1999
Year Renovated: 1999
County: Sonoma County
APN: 044330025000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Taylor Mountain Elementary School
Public K-6 • Assigned • 0.2mi
2/10
Montgomery High School
Public 9-12 • Assigned • 3.0mi
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
3/10 Fire Factor
0.62% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 92° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95407
Average low and high temperatures (°F)
62
39
63
43
70
45
67
46
74
50
77
52
76
53
83
54
81
54
78
50
65
45
58
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.1 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$705,000 – $853,000
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