$899,000
PENDING $30K PRICE DROP

Estimated payment $6,063/month

Total Views 8,273
4 Beds
4 Baths
2,928 Sq Ft
$307 Price per Sq Ft

Highlights

  • Vaulted Ceiling
  • Attached Garage
  • Carpet
  • No HOA
  • Wood Siding
  • Heating System Uses Natural Gas

About This Home

2.75% INTEREST RATE! Sellers have an assumable loan option and can pass this incredible rate on to the right buyer. In todays market, this rate is almost unheard of. Call listing agent for details. Do not disturb occupants. Contact listing agent Helena Fudge (510) 686-5041 for all showings. Welcome to 1808–1814 Mason St., a stunningly modernized duplex offering a rare side-by-side townhouse-style layout with strong income potential and flexible living. Each spacious unit features 2 bedrooms, 2 bathrooms, and a versatile bonus loft/attic space ideal for a home office, playroom, or flex use. Thoughtfully designed with soaring vaulted ceilings, skylights, and open-concept living areas, both units feel bright, open, and inviting. Recent updates throughout include stylish flooring, updated kitchens with crisp cabinetry, stone countertops, sleek hardware, and modern appliances. Bathrooms have been tastefully renovated with contemporary finishes and clean, modern design. Both units include attached 2-car garages, private backyard spaces, and added convenience with a long driveway on the right side of Unit 1808 for additional parking. Ideal for owner-occupants or investors; live in one unit and rent the other, or maximize income potential with both. Conveniently located near schools, shopping, dining & recreational centers.

Listing Agent

Helena Fudge

Exp Realty Of Northern Ca, Inc License #02032677 Listed on: 05/04/2026

Exp Realty Of Northern Ca, Inc

Property Details

Home Type

  • Multi-Family

Year Built

  • Built in 1985

Lot Details

  • 6,650 Sq Ft Lot
  • Back and Front Yard

Home Design

  • Duplex
  • Composition Shingle Roof
  • Wood Siding
  • Stucco

Interior Spaces

  • Vaulted Ceiling

Flooring

  • Carpet
  • Laminate
  • Vinyl

Bedrooms and Bathrooms

  • 4 Bedrooms
  • 4 Bathrooms

Parking

  • Attached Garage
  • Front Facing Garage
  • Off-Street Parking

Utilities

  • Heating System Uses Natural Gas
  • Wall Furnace
  • Gas Water Heater

Community Details

  • No Home Owners Association
  • 2 Units
  • San Pablo Prop Subdivision

Listing and Financial Details

  • Assessor Parcel Number 4111200350

Property Details

Home Type

Multi-Family

Year Built

Built in 1985

Lot Details

6,650 Sq Ft Lot

Listing Details

  • Year Built: 1985
  • Property Sub Type: Duplex
  • Prop. Type: Residential Income
  • Subdivision Name: San Pablo Prop
  • Directions: San Pablo Ave to Church Ln, turn onto Mason St..
  • Garage Yn: Yes
  • Special Features: None

Interior Features

  • Flooring: Laminate, Vinyl, Carpet
  • Appliances: Gas Water Heater
  • Total Bedrooms: 4
  • Fireplace: No

Exterior Features

  • Roof: Composition Shingles
  • Lot Features: Rectangular Lot, Back Yard, Front Yard
  • Construction Type: Stucco, Wood Siding

Garage/Parking

  • Parking Features: Attached, Off Street, Side Yard Access, Garage Faces Front

Utilities

  • Heating: Natural Gas, Wall Furnace
  • Cooling: No Air Conditioning
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Water Source: Public

Condo/Co-op/Association

  • Association: No

Lot Info

  • Lot Size Sq Ft: 6650
  • Parcel Number: 4111200350

Multi Family

  • Number Of Units Total: 2

Map

Range of Values:

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Value Increase
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Percent Increase
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Adjusted for Inflation
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

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
2026 $13,515 $900,040 $465,445 $434,595
2025 $13,515 $882,393 $456,319 $426,074
2024 $12,886 $865,092 $447,372 $417,720
2023 $12,886 $848,130 $438,600 $409,530
2022 $12,707 $831,500 $430,000 $401,500
2021 $10,818 $676,062 $321,934 $354,128
2019 $10,220 $656,011 $312,386 $343,625
2018 $9,532 $620,000 $295,200 $324,800
2017 $8,629 $555,000 $265,000 $290,000
2016 $6,662 $400,000 $190,400 $209,600
2015 $6,161 $360,000 $171,400 $188,600
2014 $5,556 $310,000 $147,600 $162,400
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft Prior Sale
07/22/2026 07/22/26 Pending -- -- --
06/15/2026 06/15/26 Price Changed $899,000 -3.2% $307 / Sq Ft
05/04/2026 05/04/26 For Sale $929,000 +11.8% $317 / Sq Ft
02/04/2025 02/04/25 Off Market $831,000 -- --
08/18/2021 08/18/21 Sold $831,000 +5.3% $284 / Sq Ft View Prior Sale
04/22/2021 04/22/21 For Sale $789,000 0.0% $269 / Sq Ft
04/11/2021 04/11/21 Pending -- -- --
03/30/2021 03/30/21 For Sale $789,000 -- $269 / Sq Ft
Source: Contra Costa Association of REALTORS®

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Grant Deed $831,500 North American Title
Deed -- North American Title
Grant Deed $525,000 New Century Title
Interfamily Deed Transfer -- --
Grant Deed $330,000 Chicago Title
Interfamily Deed Transfer $40,000 Fidelity National Title Co
Grant Deed $60,000 Fidelity National Title Ins
Interfamily Deed Transfer -- Fidelity National Title Co
Interfamily Deed Transfer -- Fidelity National Title Co
Grant Deed -- --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Open $816,438 No Value Available
Closed $816,438 FHA
Previous Owner $325,000 Purchase Money Mortgage
Previous Owner $165,000 Purchase Money Mortgage
Previous Owner $15,000 Seller Take Back
Source: Public Records

Source: Contra Costa Association of REALTORS®

MLS Number: 41133490

Contra Costa Association of REALTORS®

APN: 411-120-035-0

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