Transparently priced! This formerly bay front boat house features 4bd/3.5ba and has been thoughtfully designed for seamless family living and both large scale and intimate entertaining. The main level, with impressive indoor-outdoor flow in both directions, has a grand open kitchen, anchored by a large island and pantry cabinets that connects to the spacious dining area with a charming bay window. The captivating living room, with beamed ceilings, a fireplace, walls of windows, 3 separate seating areas and French doors to a deck over the water, is the perfect place to unwind and enjoy the evening sunsets over the lagoon. The large family room has a half bathroom, a custom-built rock climbing wall and French doors to the inviting private backyard garden area with strawberries, tomatoes and passion fruits! The primary suite has floor to ceiling windows overlooking the water, a spa like bathroom with 2 closets. Upstairs are 2 whimsical bedrooms with lagoon views and a full bathroom. Downstairs is a large open living room/home office/media area, a bedroom with separate private outdoor space, full bathroom, laundry room, ample storage as well as sliding glass doors to a large deck over the water, perfect for hanging out or kayaking off of! Walk to Park Street & South Shore.
Single-familyProperty Type
1900Year Built
5,754 sq ftLot Size
$711Est. Price/Sq.Ft.
Listed by Sarah Baggott•DRE #01370004• SEXTON GROUP, R.E.
At the end of a cul-de-sac on the lagoon and has some original details and still in place. The home needs work both cosmetically and fundamentally throughout.
12 years ago• May not reflect the current state of the home
bridgeMLS, Bay East AOR, or Contra Costa AOR #41038794
Dec 18, 2023
Sold
$1,650,000
$486/sq ft
Nov 11, 2023
Pending
—
Oct 20, 2023
Price Changed
$1,650,000
$486/sq ft
Sep 11, 2023
Listed
$1,695,000
$499/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #41025174
Jul 20, 2023
Listing Removed
—
Jul 6, 2023
Price Changed
*
Jun 19, 2023
Price Changed
*
May 24, 2023
Price Changed
*
Apr 24, 2023
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #40685485
Apr 13, 2015
Sold
$640,000
$188/sq ft
Feb 25, 2015
Pending
—
Feb 18, 2015
Price Changed
$620,000
$183/sq ft
Jan 29, 2015
Listed
$649,900
$191/sq ft
Amazing home w/ lots of potential after a little TLC! Quaint & charming w/ vintage qualities. Lovely open concept for entertainment featuring tons of windows allowing for plenty of light throughout home! Hardwood and tile flooring, spacious kitchen w/ gas range on island. Nice patio area in back!
bridgeMLS, Bay East AOR, or Contra Costa AOR #40606250
Apr 20, 2013
Sold
$567,000
$167/sq ft
Mar 29, 2013
Pending
—
Mar 29, 2013
Pending
—
Mar 24, 2013
Pending
—
Mar 8, 2013
Listed
$499,000
$147/sq ft
Public Records
Nov 28, 1995
Sold
$200,000
$59/sq ft
Public Records
Aug 24, 1989
Sold
$170,000
$50/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$22,847 (+2.2%)
$450,000 + $1,050,000
$1,500,000
2024
$22,363 (+58.2%)
$504,900 + $1,178,100
$1,683,000
2023
$14,132 (+2.3%)
$495,000 + $1,155,000
$1,650,000
2022
$13,811 (+2.5%)
$424,687 + $553,331
$978,018
2021
$13,468 (+1.2%)
$424,687 + $553,331
$978,018
2020
$13,304 (+5.3%)
$416,362 + $542,483
$958,845
2019
$12,638 (+2.6%)
$412,095 + $536,923
$949,018
2018
$12,315 (+4.9%)
$404,017 + $526,398
$930,415
2017
$11,736 (+28.6%)
$388,331 + $505,960
$894,291
2016
$9,128 (+7.6%)
$388,331 + $505,960
$894,291
2015
$8,485 (+5.3%)
$380,718 + $269,041
$649,759
2014
$8,061 (+76.0%)
$170,872 + $398,701
$569,573
2013
$4,581 (+1.8%)
$170,872 + $398,701
$569,573
2012
$4,501 (+4.1%)
$80,941 + $188,864
$269,805
2011
$4,325 (+10.3%)
$79,354 + $185,161
$264,515
2010
$3,921 (+0.4%)
$77,799 + $181,531
$259,330
2009
$3,906 (+3.3%)
$77,217 + $180,174
$257,391
2008
$3,780
$77,401 + $180,602
$258,003
Tax history for 862 Walnut St
Year
Property tax
Land + Additions
Assessment*
2025
$22,847 (+2.2%)
$450,000 + $1,050,000
$1,500,000
2024
$22,363 (+58.2%)
$504,900 + $1,178,100
$1,683,000
2023
$14,132 (+2.3%)
$495,000 + $1,155,000
$1,650,000
2022
$13,811 (+2.5%)
$424,687 + $553,331
$978,018
2021
$13,468 (+1.2%)
$424,687 + $553,331
$978,018
2020
$13,304 (+5.3%)
$416,362 + $542,483
$958,845
2019
$12,638 (+2.6%)
$412,095 + $536,923
$949,018
2018
$12,315 (+4.9%)
$404,017 + $526,398
$930,415
2017
$11,736 (+28.6%)
$388,331 + $505,960
$894,291
2016
$9,128 (+7.6%)
$388,331 + $505,960
$894,291
2015
$8,485 (+5.3%)
$380,718 + $269,041
$649,759
2014
$8,061 (+76.0%)
$170,872 + $398,701
$569,573
2013
$4,581 (+1.8%)
$170,872 + $398,701
$569,573
2012
$4,501 (+4.1%)
$80,941 + $188,864
$269,805
2011
$4,325 (+10.3%)
$79,354 + $185,161
$264,515
2010
$3,921 (+0.4%)
$77,799 + $181,531
$259,330
2009
$3,906 (+3.3%)
$77,217 + $180,174
$257,391
2008
$3,780
$77,401 + $180,602
$258,003
*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
Zoning
Permits
Beds
3
Baths
2
Stories
2
Lot width
—
Lot depth
—
Lot size
5,754 Sq. Ft.
Year renovated
1937
Sq. Ft.
2,046
Year built
1900
Style
Single Family Residential
County
Alameda County
APN
074 123006000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 16, 2026.
R-4
PD
Neighborhood Residential District
It is intended that this district classification be applied in areas where one-family, two-family, and multifamily dwellings, and certain non-profit organization administration offices, if found compatible, may be located to promote primarily residential standards.
Zone overlays
Planned Development Combining District
Permitted uses
Include but are not limited to:
Agriculture
Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Other
Infrastructure
Public service
Fire house
Library
Park & open space
Jan 22, 2026 • Final
Express mechanical permit - residential
Replace a furnace in the basement of a residential building.
HVAC
Dec 19, 2023 • Final
Express plumbing permit - residential
Install a new gas shut off valve.
Gas
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 Information
Parking Features: Off Street, No Garage
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 4
# of Bathrooms Full: 3
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Tub, Window
Primary Bathroom Included Features: Stall Shower, Tile, Updated Baths, Closet
Interior Features
Interior Features: Bonus/Plus Room, Family Room, Stone Counters, Eat-in Kitchen, Kitchen Island, Pantry, Updated Kitchen
Appliances: Dishwasher, Double Oven, Disposal, Gas Range, Plumbed For Ice Maker, Oven, Refrigerator, Dryer, Washer, Gas Water Heater
Laundry Features: Dryer, In Basement, Washer
Upper Level Features: 2 Bedrooms, 1 Bath
Street Level Features: 1 Bedroom, 1.5 Baths, Primary Bedrm Suite - 1, Main Entry
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2023. This data may not match public records. Learn more.