A Grand Mediterranean custom built by renowned architects Miller & Warnecke and perfectly preserved. An architectural gem! Attention to detail! Two living rooms with fireplaces. Mahogany library with fireplace. The most expensively built home in its day.
Single-familyProperty Type
1932Year Built
6,396 sq ftLot Size
$663Est. Price/Sq.Ft.
2 car garageParking
Listed by Anthony Riggins•DRE #01372885• Golden Gate Sothebys International Realty
Bought with Judy Cain•DRE #00812806• The GRUBB Company
bridgeMLS, Bay East AOR, or Contra Costa AOR #40511087
Jul 26, 2011
Sold
$1,095,000
$308/sq ft
Jun 22, 2011
Pending
—
May 16, 2011
Price Changed
$1,095,000
$308/sq ft
Apr 12, 2011
Price Changed
$1,175,000
$330/sq ft
Mar 28, 2011
Price Changed
$1,210,000
$340/sq ft
Feb 25, 2011
Listed
$1,375,000
$386/sq ft
Public Records
Aug 29, 1997
Sold
$517,000
$145/sq ft
Public Records
Jan 23, 1991
Sold
$507,000
$142/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$19,620 (+3.7%)
$420,841 + $981,963
$1,402,804
2024
$18,925 (−6.6%)
$412,592 + $962,716
$1,375,308
2023
$20,259 (+3.4%)
$404,505 + $943,845
$1,348,350
2022
$19,585 (+3.4%)
$388,799 + $907,198
$1,295,997
2021
$18,943 (+0.4%)
$388,799 + $907,198
$1,295,997
2020
$18,861 (+3.8%)
$381,178 + $889,415
$1,270,593
2019
$18,172 (+2.2%)
$377,272 + $880,302
$1,257,574
2018
$17,789 (+3.7%)
$369,877 + $863,048
$1,232,925
2017
$17,162 (+2.6%)
$355,519 + $829,544
$1,185,063
2016
$16,726 (+0.5%)
$355,519 + $829,544
$1,185,063
2015
$16,645 (−2.9%)
$348,548 + $813,279
$1,161,827
2014
$17,141 (+1.4%)
$336,590 + $785,378
$1,121,968
2013
$16,910 (+4.4%)
$336,590 + $785,378
$1,121,968
2012
$16,203 (+64.7%)
$335,070 + $781,830
$1,116,900
2011
$9,838 (+2.9%)
$328,500 + $766,500
$1,095,000
2010
$9,564 (−1.3%)
$193,302 + $451,039
$644,341
2009
$9,685 (+7.6%)
$191,858 + $447,670
$639,528
2008
$8,998
$192,314 + $448,734
$641,048
Tax history for 800 Rosemount Rd
Year
Property tax
Land + Additions
Assessment*
2025
$19,620 (+3.7%)
$420,841 + $981,963
$1,402,804
2024
$18,925 (−6.6%)
$412,592 + $962,716
$1,375,308
2023
$20,259 (+3.4%)
$404,505 + $943,845
$1,348,350
2022
$19,585 (+3.4%)
$388,799 + $907,198
$1,295,997
2021
$18,943 (+0.4%)
$388,799 + $907,198
$1,295,997
2020
$18,861 (+3.8%)
$381,178 + $889,415
$1,270,593
2019
$18,172 (+2.2%)
$377,272 + $880,302
$1,257,574
2018
$17,789 (+3.7%)
$369,877 + $863,048
$1,232,925
2017
$17,162 (+2.6%)
$355,519 + $829,544
$1,185,063
2016
$16,726 (+0.5%)
$355,519 + $829,544
$1,185,063
2015
$16,645 (−2.9%)
$348,548 + $813,279
$1,161,827
2014
$17,141 (+1.4%)
$336,590 + $785,378
$1,121,968
2013
$16,910 (+4.4%)
$336,590 + $785,378
$1,121,968
2012
$16,203 (+64.7%)
$335,070 + $781,830
$1,116,900
2011
$9,838 (+2.9%)
$328,500 + $766,500
$1,095,000
2010
$9,564 (−1.3%)
$193,302 + $451,039
$644,341
2009
$9,685 (+7.6%)
$191,858 + $447,670
$639,528
2008
$8,998
$192,314 + $448,734
$641,048
*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
3
Stories
2
Lot width
—
Lot depth
—
Lot size
6,396 Sq. Ft.
Year renovated
1927
Sq. Ft.
3,558
Year built
1927
Style
Single Family Residential
County
Alameda County
APN
011 088401200
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 16, 2026.
RD
S-13
Detached Unit Residential Regulations Zone
The provisions of this Chapter shall be known as the RD Detached Unit Residential Zone Regulations. The intent of the Detached Unit Residential RD Zone is to create, maintain, and enhance residential areas primarily characterized by a mix of single-unit structures, small multi-unit buildings, and neighborhood businesses where appropriate.
Zone overlays
Affordable Housing Combining Zone Regulations
Permitted uses
Include but are not limited to:
Day care facility
Housing-Other
Fire house
Police station
Sep 19, 2022 • Final
R) - reroof certificate (building)
Perform re-roofing work on a residential building. Separate permits are required for structural repairs and any obstructions to the sidewalk or street.
Roofing
Jan 19, 2014 • Final
Rp) plumbing - 1 & 2 unit residential (building)
Replace a water heater.
Plumbing
Water heater
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
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Detached, Garage Door Opener
Interior
Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 2
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub, Tile, Tub
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2011. This data may not match public records. Learn more.