465 Irwin Ln is a 1,289 square foot house on a 6.5 acre lot with 3 bedrooms and 2.5 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $891,106.
Single-familyProperty Type
1955Year Built
6.5 acresLot Size
$691Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$891,106
$0 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 22% lower than the average sale price ($1.14M) 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
$1,740 (+6.7%)
$57,509 + $54,283
$111,792
2024
$1,630 (+1.6%)
$56,382 + $53,219
$109,601
2023
$1,604 (+1.6%)
$55,277 + $52,176
$107,453
2022
$1,580 (+2.0%)
$54,194 + $51,153
$105,347
2021
$1,548 (−2.9%)
$53,132 + $50,150
$103,282
2020
$1,595 (+6.0%)
$52,091 + $49,167
$101,258
2019
$1,505 (+11.5%)
$51,557 + $48,663
$100,220
2018
$1,350 (+3.7%)
$50,547 + $47,709
$98,256
2017
$1,302 (+14.5%)
$48,585 + $45,857
$94,442
2015
$1,137 (+3.6%)
$47,633 + $44,958
$92,591
2014
$1,097 (+0.3%)
$45,999 + $32,793
$78,792
2013
$1,094 (+3.5%)
$45,999 + $32,793
$78,792
2012
$1,057 (+1.6%)
$45,792 + $32,645
$78,437
2011
$1,040 (+0.9%)
$44,895 + $32,005
$76,900
2010
$1,031 (−0.8%)
$44,015 + $31,378
$75,393
2009
$1,039 (+1.5%)
$43,687 + $31,144
$74,831
2007
$1,024
$42,933 + $30,606
$73,539
Tax history for 465 Irwin Ln
Year
Property tax
Land + Additions
Assessment*
2025
$1,740 (+6.7%)
$57,509 + $54,283
$111,792
2024
$1,630 (+1.6%)
$56,382 + $53,219
$109,601
2023
$1,604 (+1.6%)
$55,277 + $52,176
$107,453
2022
$1,580 (+2.0%)
$54,194 + $51,153
$105,347
2021
$1,548 (−2.9%)
$53,132 + $50,150
$103,282
2020
$1,595 (+6.0%)
$52,091 + $49,167
$101,258
2019
$1,505 (+11.5%)
$51,557 + $48,663
$100,220
2018
$1,350 (+3.7%)
$50,547 + $47,709
$98,256
2017
$1,302 (+14.5%)
$48,585 + $45,857
$94,442
2015
$1,137 (+3.6%)
$47,633 + $44,958
$92,591
2014
$1,097 (+0.3%)
$45,999 + $32,793
$78,792
2013
$1,094 (+3.5%)
$45,999 + $32,793
$78,792
2012
$1,057 (+1.6%)
$45,792 + $32,645
$78,437
2011
$1,040 (+0.9%)
$44,895 + $32,005
$76,900
2010
$1,031 (−0.8%)
$44,015 + $31,378
$75,393
2009
$1,039 (+1.5%)
$43,687 + $31,144
$74,831
2007
$1,024
$42,933 + $30,606
$73,539
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RR B6 2
VOH
Rural Residential - B6 Combining District - 2 Acres Per Dwelling Unit
The RR zone preserves the rural character and amenities in areas best utilized for low-density residential development. Rural residential uses are intended to take precedence over agricultural uses. Agricultural service uses are not allowed. The adopted zoning maps shall specify the maximum permitted density, determined by gross acreage for all residential uses. Minimum front, side and rear yard requirements and the minimum parcel or lot size, if not otherwise specified, shall conform to the base district with which the B6 district is combined unless specifically approved otherwise by the planning commission.
Zone overlays
Valley Oak Habitat Combining District
Permitted uses
Include but are not limited to:
Greenhouse / nursery
Livestock production
Housing-Group
Housing-Single unit
Agriculture-Cropland
Dec 5, 2025 • Active
Building permit no plan check
Roofing
Jun 11, 2016 • Final
Building permit no plan check
Upgrade the electrical service panel for a single-family home.
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
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,289
Ground Floor Sq. Ft: 1,275
Building Sq. Ft: 2,799
# of Stories: 1
Legal Description: 78 FORM 130-222-68 AP # CHG PER MD
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 460
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 283,140
Acres: 6.5
Zoning Code: RR2
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 1,289
Stories: 1.0
Lot Size: 6.5 acres
Style: Single Family Residential
Year Built: 1955
Year Renovated: 1985
County: Sonoma County
APN: 130223047000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
Oak Grove Elementary School
Public K • Assigned • 4.1mi
Oak Grove Elementary/Willowside Middle School
Charter 1-8 • Assigned • 1.0mi
6/10
Analy High School
Public 9-12 • Assigned • 2.7mi
8/10
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
0.31% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 90° expected this year, 17 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
19 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95401
Average low and high temperatures (°F)
63
39
64
42
71
45
69
46
76
50
78
52
80
53
85
53
81
56
74
50
65
44
59
42
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
$847,000 – $1.02M
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