Beautiful single family home with ADU for guests,au pair, home office, or as a guesthouse for visiting family & friends. Offering one of the largest sun-drenched level lawns in Gerstle Park! Easily connect the two floors by opening a single door- the floor plan flows beautifully either way. The upstairs is complete w/ three generously sized bedrooms,two full baths,stylish living room w/ fireplace & an updated kitchen w/ dining area & sliding doors leading to the lovely deck w/ views and backyard. The lower level ADU w/ separate entrance offers one spacious bedroom, one full bath, cheery kitchen w/ eating area and a welcoming living room with fireplace & bookshelves - and rental income if desired! Enjoy entertaining in the large backyard w/level patio, fire-pit lounge area & outdoor dining. This is a true gardeners delight - plant your fruit teees & veggies & begin living the farm to table lifestyle! The natural sunlight streaming in each room and the sun drenched backyard create an uplifting atmosphere inside and out. Space for an additional ADU?? Check w/ city of SR. Enjoy fresh interior paint, updated lighting,hardwood floors and EV car charger. Just blocks to shops, restaurants, movie theater, parks & public transportation.
Single-familyProperty Type
1955Year Built
5,301 sq ftLot Size
$723Est. Price/Sq.Ft.
2 garage spacesParking
Listed by Linda Gridley•DRE #01077981• Coldwell Banker Realty
•415-531-3622 (agent)
•lgridley@cbnorcal.com (agent)
Listed by Mary Edwards•DRE #01053526• Coldwell Banker Realty
•415-652-2566 (agent)
•medwards@cbnorcal.com (agent)
Bought with Jamie Lockett•DRE #02016644• Coldwell Banker Realty
Gerstle Parks' ideal central San Rafael location! Sun streaming across hardwood floors through large windows,four bedrooms, three full baths and room to roam on a generously sized lot...what more you ask for? This home lives beautifully as a single family with in-law for guests, au pair, or home office. OR one can take advantage of the legal duplex status with separate meters and water heaters,two totally separate entrances, and a floor plan that makes each living space feel like the only space. The upstairs is complete with three spacious bedrooms, two full baths, beautiful living room with fireplace, an updated kitchen with dining area and sliding doors leading to the lovely deck and backyard. The lower level offers one spacious bedroom, one full bath, kitchen with eating area and a welcoming living room with fireplace. The large backyard hosts a level patio,fire-pit lounge area,outdoor dining,potting table and plenty of lawn to create, play, plant and enjoy the lovely San Rafael weather. The two car attached garage can be separated to allow secure space for each unit.Enjoy fresh interior paint, updated lighting, hardwood floors and an EV for electric car charging.Both w/ interior garage access!It may be possible to build two ADU's-check with City of SR for regulations.
Public Records
Jul 21, 2020
Sold
$1,213,000
$561/sq ft
BAREIS #22013517
Jun 23, 2020
Pending
—
Jun 23, 2020
Delisted
—
Jun 16, 2020
Listed
*
Year
Property tax
Land + Additions
Assessment*
2025
$20,915 (+12.0%)
$806,310 + $650,250
$1,456,560
2024
$18,669 (+2.1%)
$790,500 + $637,500
$1,428,000
2023
$18,290 (+5.6%)
$848,960 + $436,683
$1,285,643
2022
$17,317 (+1.1%)
$832,320 + $428,124
$1,260,444
2021
$17,132 (+223.1%)
$816,000 + $419,730
$1,235,730
2020
$5,302 (+5.6%)
$800,000 + $411,500
$1,211,500
2019
$5,019 (−0.4%)
$109,539 + $102,774
$212,313
2018
$5,038 (+31.5%)
$107,392 + $100,760
$208,152
2017
$3,830 (+3.9%)
$33,799 + $73,359
$107,158
2016
$3,688 (+4.3%)
$33,799 + $73,359
$107,158
2015
$3,536 (+6.1%)
$33,137 + $71,921
$105,058
2014
$3,333 (+3.3%)
$32,000 + $69,453
$101,453
2013
$3,226 (+5.6%)
$32,000 + $69,453
$101,453
2012
$3,056 (+1.2%)
$31,855 + $69,139
$100,994
2011
$3,021 (+1.1%)
$31,231 + $67,784
$99,015
2010
$2,988 (+6.3%)
$30,618 + $66,455
$97,073
2009
$2,810 (+6.3%)
$30,390 + $65,959
$96,349
2008
$2,644
$30,462 + $66,115
$96,577
Tax history for 40 Octavia St
Year
Property tax
Land + Additions
Assessment*
2025
$20,915 (+12.0%)
$806,310 + $650,250
$1,456,560
2024
$18,669 (+2.1%)
$790,500 + $637,500
$1,428,000
2023
$18,290 (+5.6%)
$848,960 + $436,683
$1,285,643
2022
$17,317 (+1.1%)
$832,320 + $428,124
$1,260,444
2021
$17,132 (+223.1%)
$816,000 + $419,730
$1,235,730
2020
$5,302 (+5.6%)
$800,000 + $411,500
$1,211,500
2019
$5,019 (−0.4%)
$109,539 + $102,774
$212,313
2018
$5,038 (+31.5%)
$107,392 + $100,760
$208,152
2017
$3,830 (+3.9%)
$33,799 + $73,359
$107,158
2016
$3,688 (+4.3%)
$33,799 + $73,359
$107,158
2015
$3,536 (+6.1%)
$33,137 + $71,921
$105,058
2014
$3,333 (+3.3%)
$32,000 + $69,453
$101,453
2013
$3,226 (+5.6%)
$32,000 + $69,453
$101,453
2012
$3,056 (+1.2%)
$31,855 + $69,139
$100,994
2011
$3,021 (+1.1%)
$31,231 + $67,784
$99,015
2010
$2,988 (+6.3%)
$30,618 + $66,455
$97,073
2009
$2,810 (+6.3%)
$30,390 + $65,959
$96,349
2008
$2,644
$30,462 + $66,115
$96,577
*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
4
Baths
2
Stories
—
Lot width
—
Lot depth
—
Lot size
5,300 Sq. Ft.
Year renovated
1955
Sq. Ft.
2,164
Year built
1955
Style
Single Family Residential
County
Marin County
APN
012-191-24
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
DR
Duplex Residential District
The duplex residential district provides opportunities for single-family and duplex residential development. As a transitional area between single-family and multifamily districts, an intent of the district is to maintain the design character of single-family districts.; The duplex residential district is included in the medium-density residential land use category with a density of 2,500 sq ft per dwelling unit.
Permitted uses
Include but are not limited to:
Garden center
Housing-Single unit
Housing-Multiple units
Housing-Senior
Educational/school
Recreation
Park & open space
May 2, 2024 • Final
Plumbing
Replace two water heaters.
Plumbing
Water heater
May 2, 2024 • Final
Mechanical residential
Replace the furnace in a residential building.
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: 4
Parking Features: Attached, EV Charging, Garage Facing Front, Side-by-Side
Garage Spaces: 2
Interior
Bathroom Information
# of Bathrooms (Total): 3
# of Bathrooms (Full): 3
Bedroom Information
# of Bedrooms (Total): 4
Heating & Cooling
Cooling: None
Heating: Central, Gas, Wall Furnace
Interior Features
Fireplaces Total: 2
Fireplace Features: Brick
Laundry Features: In Garage
# of Stories: 2
Room Information
# of Rooms (Total): 8
Levels: Two
Main Level: Bedroom(s), Full Bath(s), Garage, Kitchen, Living Room
Lower Level: Bedroom(s), Full Bath(s), Garage, Kitchen, Living Room, Street Entrance
Exterior
Exterior Features
Allows Horses: No
Pool Information
Has Private Pool: No
Has Spa: No
Property Information
ADU 2nd Unit: Yes
Property Type: Residential
Property Sub Type: Single Family Residence
Lot Information
Lot Size Square Feet: 5,301
Lot Size Acres: 0.1217
Lot Size Source: Assessor Auto-Fill
Lot Features: Garden, Landscape Front
Utilities
Utilities Information
Utilities: Natural Gas Connected
Sewer: Public Sewer
Location
HOA Information
Association YN: No
Community Information
Senior Community: No
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 2,164
Stories: —
Lot Size: 5,300 square feet
Style: Single Family Residential
Year Built: 1955
Year Renovated: 1955
County: Marin County
APN: 012-191-24
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Laurel Dell Elementary School
Public K-5 • Assigned • 0.4mi
8/10
James B. Davidson Middle School
Public 6-8 • Assigned • 0.3mi
6/10
San Rafael High School
Public 9-12 • Assigned • 1.1mi
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
3/10 Heat Factor
7 days above 86° expected this year, 17 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
San Rafael, CA • 94901
Average low and high temperatures (°F)
59
42
61
45
69
48
67
47
72
50
75
52
74
54
80
55
78
55
74
52
62
47
55
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.6 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
10.6 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.49M – $1.80M
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