Welcome to this versatile duplex with an additional studio, offering a total of 3 income-generating units in a prime location! The main home features 2 spacious bedrooms, a recently remodeled bathroom, a cozy living room, a dining room, and a convenient garage. It also includes laundry hookups, a washer and dryer, and a mini-split system with heat and A/C for year-round comfort in all 3 units. The second unit is a charming 1-bedroom, 1-bathroom space, complete with a kitchen, living room, and its own laundry hookups, making it ideal for rental potential or accommodating extended family. The 3rd unit studio offers extra living space, featuring a fireplace, a full bathroom, and a mini-split system. All three units share access to a generous backyard, which includes a patio for outdoor entertaining and flourishing fruit trees for a delightful harvest. Additional highlights include owned solar, dual pane windows, a tankless water heater, earthquake retrofitting, an upgraded electrical panel, and a newer shed. Conveniently located just minutes from SRJC, grocery shopping, restaurants, and more, this property perfectly balances accessibility with investment potential. Don't miss this fantastic opportunity!
Multi-familyProperty Type
1948Year Built
5,998 sq ftLot Size
$571Est. Price/Sq.Ft.
1 garage spacesParking
Listed by Yousef Khoury•DRE #02021319• Coldwell Banker Realty
•707-318-9386 (agent)
•yousef.khoury@cbnorcal.com (agent)
Bought with Crystal Davis•DRE #01766868• Vanguard Properties
Rare opportunity to own a duplex in the JC District with an additional separate space with it's own full bathroom. Potential 6%+ CAP Rate. Fresh paint, new windows, new patio, new carpet and refreshed landscaping. Ready to move in or rent out. 1816Arbor.com for the 3D COVID friendly tour.
Public Records
Aug 30, 2019
Sold
$500,000
$299/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$9,987 (+12.0%)
$355,980 + $534,051
$890,031
2024
$8,914 (+48.2%)
$349,000 + $523,580
$872,580
2023
$6,015 (+6.7%)
$303,609 + $471,331
$774,940
2022
$5,637 (−0.1%)
$210,235 + $315,353
$525,588
2021
$5,645 (+0.2%)
$206,113 + $309,170
$515,283
2020
$5,632 (+237.9%)
$202,072 + $303,108
$505,180
2019
$1,667 (+0.7%)
$200,000 + $300,000
$500,000
2018
$1,656 (+1.9%)
$49,753 + $99,529
$149,282
2017
$1,625 (+4.4%)
$47,822 + $95,665
$143,487
2015
$1,556 (+6.5%)
$46,885 + $93,790
$140,675
2014
$1,461
$45,277 + $90,573
$135,850
2013
$1,461 (+1.7%)
$45,277 + $90,573
$135,850
2012
$1,436 (+2.1%)
$45,073 + $90,164
$135,237
2011
$1,406 (+1.6%)
$44,190 + $88,397
$132,587
2010
$1,384 (−0.6%)
$43,324 + $86,664
$129,988
2009
$1,392 (+2.1%)
$43,001 + $86,017
$129,018
2007
$1,364
$42,259 + $84,532
$126,791
Tax history for 1816 Arbor Ave
Year
Property tax
Land + Additions
Assessment*
2025
$9,987 (+12.0%)
$355,980 + $534,051
$890,031
2024
$8,914 (+48.2%)
$349,000 + $523,580
$872,580
2023
$6,015 (+6.7%)
$303,609 + $471,331
$774,940
2022
$5,637 (−0.1%)
$210,235 + $315,353
$525,588
2021
$5,645 (+0.2%)
$206,113 + $309,170
$515,283
2020
$5,632 (+237.9%)
$202,072 + $303,108
$505,180
2019
$1,667 (+0.7%)
$200,000 + $300,000
$500,000
2018
$1,656 (+1.9%)
$49,753 + $99,529
$149,282
2017
$1,625 (+4.4%)
$47,822 + $95,665
$143,487
2015
$1,556 (+6.5%)
$46,885 + $93,790
$140,675
2014
$1,461
$45,277 + $90,573
$135,850
2013
$1,461 (+1.7%)
$45,277 + $90,573
$135,850
2012
$1,436 (+2.1%)
$45,073 + $90,164
$135,237
2011
$1,406 (+1.6%)
$44,190 + $88,397
$132,587
2010
$1,384 (−0.6%)
$43,324 + $86,664
$129,988
2009
$1,392 (+2.1%)
$43,001 + $86,017
$129,018
2007
$1,364
$42,259 + $84,532
$126,791
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
3
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
6,000 Sq. Ft.
Year renovated
1968
Sq. Ft.
1,430
Year built
1948
Style
Single Family Residential
County
Sonoma County
APN
180380010000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 13, 2026.
Apr 4, 2023 • Final
Residential addition-alteration
Perform a voluntary seismic retrofit in accordance with a standard plan.
Remodel
Nov 1, 2022 • Final
Residential mechanical
Remove two existing wall furnaces and install a heat pump at the rear of the house. Install a four-unit mini-split system throughout the residential building.
Heat pump
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
Parking
Parking & Garage Information
Parking Total: 3
Parking Features: Attached, Street
Garage Spaces: 1
Interior
Heating & Cooling
Cooling: MultiZone
Heating: MultiZone
Interior Features
Laundry Features: In Each Unit, Washer/Dryer Owned
Exterior
Property Information
Property Type: Residential Income
Property Sub Type: Duplex
Lot Information
Lot Size Square Feet: 5,998
Lot Size Acres: 0.1377
Lot Size Source: Assessor Auto-Fill
Lot Features: Other
Utilities
Utilities Information
Sewer: Public Sewer
Location
Multi-Unit Information
# of Units (Total): 3
# of Units (Studio): 1
Unit 1 Information
# of Bedrooms (Total): 2
# of Bathrooms (Full): 1
Approx SqFt: 1,000
# of Units: 1
Unit 2 Information
# of Bedrooms (Total): 1
# of Bathrooms (Full): 1
Approx SqFt: 400
# of Units: 1
HOA Information
Association YN: No
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,430
Stories: 1.0
Lot Size: 6,000 square feet
Style: Single Family Residential
Year Built: 1948
Year Renovated: 1968
County: Sonoma County
APN: 180380010000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Hidden Valley Elementary Satellite School
Public K-6 • Assigned • 1.3mi
8/10
Santa Rosa Middle School
Public 7-8 • Assigned • 0.9mi
2/10
Santa Rosa High School
Public 9-12 • Assigned • 0.7mi
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
4/10 Heat Factor
7 days above 92° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
21 unhealthy days expected this year, 21 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95404
Average low and high temperatures (°F)
63
41
64
44
72
47
70
47
77
51
80
54
82
55
86
55
82
57
79
51
65
46
60
44
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
$906,000 – $1.10M
Reach more buyers when you sell with Redfin. Save up to $9,532 in fees.3 minutes to get started.
Get a free, detailed breakdown of how we calculated your estimate.