$1,919,417
SOLD AUG 18, 2025

528 3rd St W Sonoma, CA 95476

4 Beds
10 Baths
3,318 Sq Ft
9,300 Sq Ft Lot

Recently Sold

$578 Per Sq Ft

15% Below List Price

61 Days on Market

Highlights

  • View of Hills
  • 4 Car Attached Garage
  • Landscaped
  • Fenced Yard
  • Patio
  • Multiple cooling system units

About This Home

As of August 2025

Unlock exceptional cash flow potential with this fully remodeled fourplex, ideally situated just steps from the historic Sonoma Plaza. This 3,318 sq ft multifamily property offers four spacious 2-bedroom, 1-bath units on a 9,300 sq ft lot. Three of the four units are currently without tenants, allowing investors to set market rents immediately. Each unit features modern upgrades, including quartz countertops, stainless steel appliances, gas ranges, engineered white oak flooring, split HVAC systems, and designer blinds. The ground-floor units boast private patios, and all units have designated covered parking. Additional amenities include a shared laundry facility with app-based payment and separate metering for utilities and water, streamlining management and maximizing profitability. Located in Sonoma's coveted CC/H zoning district, this property is within walking distance to top-tier dining, boutique shopping, and cultural attractions, making it highly desirable for tenants. Whether you're expanding your portfolio or seeking a high-yield asset in Wine Country, 528 3rd St W offers immediate income potential and long-term value in one of Sonoma's most sought-after neighborhoods.

Last Agent to Sell the Property

Daniel Casabonne

Sotheby's International Realty License #01221013 Listed on: 06/04/2025

Sotheby's International Realty

Co-Listed By

Regina Clyde

Sotheby's International Realty License #01829116

Last Buyer's Agent

Susan Caccia

Vantage Realty License #02167104

Property Details

Home Type

  • Multi-Family

Est. Annual Taxes

  • $21,012

Year Built

  • Built in 1966

Lot Details

  • 9,300 Sq Ft Lot
  • Fenced Yard
  • Landscaped

Home Design

  • Quadruplex
  • Concrete Foundation
  • Bitumen Roof

Interior Spaces

  • 3,318 Sq Ft Home
  • 2-Story Property
  • Views of Hills

Parking

  • 4 Car Attached Garage
  • 4 Carport Spaces

Outdoor Features

  • Patio

Utilities

  • Multiple cooling system units
  • Multiple Heating Units

Community Details

  • Laundry Facilities
  • Gross Income $153,600

Listing and Financial Details

  • Assessor Parcel Number 018-251-003-000

Property Details

Home Type

Multi-Family

Est. Annual Taxes

$21,012

Year Built

Built in 1966

Lot Details

0

Listing Details

  • Type: Residential Income
  • Property Sub Type: Quadruplex
  • Directions To Property: W Napa St left on 3rd West
  • Lot Size Acres: 0.2135
  • CapRate: 5.00
  • Levels: Two
  • Actual or Scheduled: Scheduled
  • Reso Window Features: Dual Pane Full
  • Special Features: None

Interior Features

  • Square Footage: 3318.00
  • NumberOfBuildings: 1

Exterior Features

  • Foundation: Concrete Perimeter
  • Lot Features: Landscape Front
  • Roof: Bitumen
  • ExteriorFeatures: Fenced Yard, Yard Space
  • Patio And Porch Features: Uncovered Patio
  • View: Hills

Garage/Parking

  • Parking Features: Attached, Carport, Covered
  • Total Parking Spaces: 4.00
  • Carport Spaces: 4.00

Utilities

  • Cooling: MultiUnits
  • Sewer: Public Sewer
  • Utilities: City
  • Water Source: Public
  • Heating: MultiUnits
  • Laundry Features: In Common Area

Lot Info

  • Assessor Parcel Number: 018-251-003-000
  • Lot Size Sq Ft: 9300.00

Building Info

  • Year Built: 1966

Multi Family

  • Two Bedroom Annual Occupancy: 25
  • Two Bedroom Rent Range: 2900-3200
  • Number Of2 Bedrooms Occupied: 1
  • Number of 2 Bedroom Units: 2
  • NumberOfUnitsTotal: 1

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Jun 4, 2025
Closed on
Aug 13, 2025
Sold by
I Heart Sonoma Llc
Bought by
Angelo J Spagnoli Revocable Living Trust and Spagnoli
Seller's Agent
Daniel Casabonne
Sotheby's International Realty
Buyer's Agent
Susan Caccia
Vantage Realty
List Price
$2,250,000
Sold Price
$1,919,417
Premium/Discount to List
-$330,583
-14.69%
Views
11

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
16.74%
Original Mortgage
$1,219,417
Outstanding Balance
$1,219,417
Interest Rate
6.67%
Mortgage Type
New Conventional
Estimated Equity
$714,916

Purchase Details

Closed on
May 10, 2024
Sold by
Ks Mattson Partners Lp and Luis Urbano Martinez
Bought by
I Heart Sonoma Llc

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$500,000
Interest Rate
6.82%
Mortgage Type
New Conventional

Purchase Details

Closed on
May 9, 2024
Sold by
Davis Charles Richard
Bought by
Ks Mattson Partners Lp

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$500,000
Interest Rate
6.82%
Mortgage Type
New Conventional

Purchase Details

Closed on
May 2, 2024
Sold by
Fazale Rahman Rana and Fazale Amy Donna
Bought by
Ks Mattson Partners Lp

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$500,000
Interest Rate
6.82%
Mortgage Type
New Conventional

Purchase Details

Closed on
Jan 7, 2022
Sold by
El Varos Ranchito Llc
Bought by
Luis Urbano Martinez And Elizabeth Naomi Mart

Purchase Details

Closed on
Oct 21, 2021
Sold by
Ks Mattson Partners Lp
Bought by
El Varos Ranchito Llc

Purchase Details

Closed on
Oct 7, 2021
Sold by
Ks Mattson Partners Lp
Bought by
Haley Sheridan K and Haley Samuel R

Purchase Details

Closed on
Jul 15, 2021
Sold by
Ks Mattson Partners Lp
Bought by
Davis Charles Richard

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$550,000
Interest Rate
2.9%
Mortgage Type
Commercial

Purchase Details

Closed on
Jul 13, 2021
Sold by
Ks Mattson Partners Lp
Bought by
Rana Frazale Rahman and Rana Amy Donna

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$550,000
Interest Rate
2.9%
Mortgage Type
Commercial

Purchase Details

Closed on
Feb 17, 2021
Sold by
Smith Karin A and Hill Family Revocable Trust
Bought by
Ks Mattson Partners Lp

Purchase Details

Closed on
Apr 29, 2008
Sold by
Hill James L and Hill Judith A
Bought by
Hill James L and Hill Judith A
Source: Public Records

Range of Values:

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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

Date Type Sale Price Title Company
Grant Deed $1,919,500 Fidelity National Title Compan
Grant Deed $600,000 Fidelity National Title
Grant Deed $120,000 Fidelity National Title
Grant Deed $82,500 Fidelity National Title Compan
Grant Deed $120,000 Fidelity National Title
Grant Deed -- Ks Mattson Partners Lp
Grant Deed $250,000 None Listed On Document
Grant Deed $190,000 None Available
Grant Deed $276,000 None Available
Grant Deed -- None Available
Grant Deed $950,000 First American Title Company
Interfamily Deed Transfer -- None Available
Interfamily Deed Transfer -- None Available
Interfamily Deed Transfer -- None Available
Source: Public Records

Mortgage History

Date Status Loan Amount Loan Type
Open $1,219,417 New Conventional
Previous Owner $1,081,500 New Conventional
Previous Owner $500,000 New Conventional
Previous Owner $550,000 Commercial
Source: Public Records

Property History

Date Event Price Change Sq Ft Price
08/18/2025 08/18/25 Sold $1,919,417 -14.7% $578 / Sq Ft
08/04/2025 08/04/25 Pending -- -- --
06/04/2025 06/04/25 For Sale $2,250,000 -- $678 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

Tax History Compared to Growth

Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $21,012 $1,020,000 $561,000 $459,000
2024 $21,012 $1,209,121 $485,367 $723,754
2023 $21,012 $988,380 $468,180 $520,200
2022 $14,817 $969,000 $459,000 $510,000
2021 $5,175 $157,295 $44,003 $113,292
2020 $4,624 $155,683 $43,552 $112,131
2019 $5,506 $152,632 $42,699 $109,933
2018 $5,558 $149,640 $41,862 $107,778
2017 $2,820 $146,707 $41,042 $105,665
2016 $4,688 $143,832 $40,238 $103,594
2015 $4,828 $141,672 $39,634 $102,038
2014 $4,618 $138,898 $38,858 $100,040
Source: Public Records

Agents Affiliated with this Home

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Map

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 325051563

Bay Area Real Estate Information Services (BAREIS)

APN: 018-251-003