A rare expression of Old World Spanish architecture awaits on approximately 3.13 private acres in Portola Valley. Built in 1963, this distinctive adobe residence offers approximately 5,040 square feet, five bedrooms, and three-and-a-half baths, with a sense of character seldom encountered in Silicon Valley. Original architectural details, richly textured adobe and brickwork, and a Spanish tile roof evoke the warmth of a secluded Mediterranean retreat. Generous living and gathering spaces, a formal dining room, fireplaces, and an expansive upper-level wraparound deck create opportunities to enjoy the homes remarkable setting. Multiple patios overlook natural surroundings, while mature landscaping and generous grounds offer privacy, tranquility, and room to envision the next chapter. Preserved in largely original condition, the home invites a discerning buyer to celebrate its authentic craftsmanship or undertake a considered restoration. Located in the Portola Valley school district, this is a compelling opportunity to own a substantial estate property where land, architecture, and peaceful surroundings take center stage.
For sale
$4,999,999
10 Joaquin Rd, Portola Valley, CA 94028
5beds
5,040sqft
Single Family Residence, Residential
Built in 1963
3.13 Acres Lot
$-- Zestimate®
$992/sqft
$-- HOA
What's special
- 19 days
- 814
- 32
Zillow last checked:
Listing updated:
Listed by:
Wen Guo RE Group 70010161 650-776-4085,
KW Advisors 650-627-3700
Source: MLSListings Inc,MLS#: ML82060764
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Rooms
- Room types: Utility Room, Workshop
Bedroom
- Features: PrimarySuiteRetreat2plus
Bathroom
- Features: ShoweroverTub1, StallShower2plus, Tubs2plus
Dining room
- Features: FormalDiningRoom
Family room
- Features: KitchenFamilyRoomCombo
Kitchen
- Features: _220VoltOutlet
Heating
- Baseboard, Gas
Cooling
- None
Appliances
- Included: Dishwasher, Disposal, Microwave, Self Cleaning Oven, Built In Oven/Range
Features
- High Ceilings, Wet Bar
- Fireplace features: Family Room, Living Room, Wood Burning
Interior area
- Total structure area: 5,040
- Total interior livable area: 5,040 sqft
Property
Parking
- Total spaces: 2
- Parking features: Attached, Off Street
- Attached garage spaces: 2
Features
- Stories: 2
- Patio & porch: Balcony/Patio
- Exterior features: Barbecue
- Spa features: Other, Spa/HotTub
Lot
- Size: 3.13 Acres
Details
- Parcel number: 080130220
- Zoning: R-1
- Special conditions: NoticeOfDefault
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Spanish
- Property subtype: Single Family Residence, Residential
Materials
- Brick
- Foundation: Slab
- Roof: Tile
Condition
- New construction: No
- Year built: 1963
Utilities & green energy
- Gas: PublicUtilities
- Sewer: Septic Tank
- Water: Public
- Utilities for property: Public Utilities, Water Public
Community & HOA
Location
- Region: Portola Valley
Financial & listing details
- Price per square foot: $992/sqft
- Tax assessed value: $2,077,176
- Date on market: 10/9/2026
- Listing agreement: ExclusiveRightToSell
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 10/9/2026 | Listed for sale | $4,999,999+25.3%$992/sqft |
Source:  MLSListings Inc #ML82060764 Report a problem | ||
| 3/1/2026 | Listing removed | $3,990,000$792/sqft |
Source:  SFAR #425052707 Report a problem | ||
| 1/8/2026 | Listed for sale | $3,990,000+9.3%$792/sqft |
Source: SFAR #425052707 Report a problem | ||
| 8/18/2023 | Listing removed | -- |
Source: SFAR #422708323 Report a problem | ||
| 3/14/2023 | Price change | $3,650,000-3.9%$724/sqft |
Source: SFAR #422708323 Report a problem | ||
| 1/12/2023 | Listed for sale | $3,800,000-5.2%$754/sqft |
Source: SFAR #422708323 Report a problem | ||
| 12/15/2022 | Listing removed | -- |
Source: SFAR #422708323 Report a problem | ||
| 11/18/2022 | Listed for sale | $4,009,000+208.6%$795/sqft |
Source: SFAR #422708323 Report a problem | ||
| 4/22/1999 | Sold | $1,299,000$258/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $2,077,176 +2% |
| 2025 | $22,543 +1.1% | $2,036,448 +2% |
| 2024 | $22,299 +1.5% | $1,996,518 +2% |
| 2023 | $21,975 +2.8% | $1,957,372 +2% |
| 2022 | $21,374 +1.3% | $1,918,994 +2% |
| 2021 | $21,097 +0.1% | $1,881,368 +1% |
| 2020 | $21,078 +1.1% | $1,862,078 +2% |
| 2019 | $20,855 +5.1% | $1,825,568 +2% |
| 2018 | $19,840 +1.2% | $1,789,774 +2% |
| 2017 | $19,610 +1.8% | $1,754,682 +2% |
| 2016 | $19,265 +3.2% | $1,720,278 +1.5% |
| 2015 | $18,676 | $1,694,438 +2% |
| 2014 | $18,676 | $1,661,248 +0.5% |
| 2013 | -- | $1,653,742 +2% |
| 2012 | -- | $1,621,316 |
| 2011 | -- | $1,621,316 +2.8% |
| 2010 | -- | $1,577,648 -0.2% |
| 2009 | -- | $1,581,396 +2% |
| 2008 | -- | $1,550,390 +2% |
| 2007 | -- | $1,519,992 +2% |
| 2006 | -- | $1,490,190 |
| 2005 | -- | $1,490,190 +4% |
| 2004 | -- | $1,432,326 +1.9% |
| 2003 | -- | $1,406,076 +2% |
| 2002 | -- | $1,378,506 +2% |
| 2001 | -- | $1,351,478 +2% |
| 2000 | -- | $1,324,980 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: 94028
Nearby schools
Schools provided by the listing agent
- District: PortolaValleyElementary
Source: MLSListings Inc. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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