40 photos · MLS data verified October 8, 2026 · Updated every 15 min
$28,900,000
Active
6 Beds·8 Baths·9,373 sqft·355,449 sqft lot·Built 2015
21888 Blue Oaks Pl, Los Altos Hills, CA 94022
Listed 43 days ago · | MLS# ML82059045
$3,083/sqft +94.2% vs Los Altos Hills single family home median ($1,587/sqft, 2026)
21888 Blue Oaks Pl is a 6-bedroom, 8-bath single family home in Los Altos Hills 94022 with 9,373 square feet of living space, built in 2015. It is listed at $28,900,000, or $3,083 per square foot. The 2026 median sale price for a Los Altos Hills single family home is $5.57M, and the three most recent 6-bedroom sales in 94022 closed between $6,250,000 and $8,275,800 ($1,244 to $1,799 per square foot).
Est. $180,322/moP&I $149,956 · Tax $30,104 · Insurance $262 · HOA $0Assumes 20% down ($5,780,000) at 6.75% · Contact Timothy for a lender referralAegis Luxury Real Estate is a licensed California real estate brokerage (DRE# 01328224) and is not a mortgage lender, mortgage broker, or loan originator. The figures shown are estimates for general reference only and do not constitute a loan offer, pre-approval, pre-qualification, or commitment to lend. Estimates use a property tax rate of 1.25% of home price annually. Actual rates, payments, taxes, and insurance vary by lender and borrower qualifications. Contact Timothy for a referral to one of our preferred lending partners.
Single Family Price Position in Los Altos Hills
$3.9M$10.5M
19Active in Los Altos Hills
18Active Single Family Homes
14Median DOM, Sep
$1,587Median $/SqFt, 2026
99.1%Sale-to-List, Sep
2.1 moInventory
For HomeownersOwn a home in Los Altos Hills? Los Altos Hills homes sold at 99.1% of list price in a median of 14 days in September 2026.See What Yours Would Sell For →
Why This Home Stands Out
🏠
6 Bed / 8 Bath, 9,373 sqft
Built in 2015, attached 5-car garage.
💰
$28,900,000, Above the 2026 Los Altos Hills Single Family Median of $5.57M
$3,083/sqft against a 2026 Los Altos Hills single family home median of $1,587/sqft (94.2% above).
Best fit forActive BuyersLos Altos Hills SearchersMove-Up / Move-In
About 21888 Blue Oaks Pl
Welcome to 21888 and 21886 Blue Oaks Place, an extraordinary custom estate built/designed by PPG. Perched on a private, sun-filled knoll, this serene retreat offers remarkable privacy and tranquility, close-in (5 minutes from 280), yet free from highway noise. Designed in a timeless California Refined Living style, the property spans approximately 9373 sq ft (including garages, main house and ADU), across 2 separate but adjacent parcels totaling approximately 8.16 acres. The main residence features 6 beds/6.5 baths, with flexibility for a 7th ensuite bedroom, or live in quarters, and area for a potential media/bonus room. The 3 car garage adds convenience & functionality to the main house, while a separate studio/ADU and 2 car garage is located on the adjacent property. Flooded with natural light throughout the day, the home enjoys sweeping views of the Western hills. One of the property's most compelling features is its potential to become a true family compound. With a total allowable MFA of 7,595 and MDA of 11,430 at the 21886 parcel, there is an opportunity to build a substantial second residence, adjacent to the existing ADU and two-car garage. There is also expansion potential remaining at 21888 if desired. Los Altos Schools: Gardner Bullis, Egan, and Los Altos High School
MLS ID #ML82059045, Marc Roos. Listing provided by Christie's International Real Estate Sereno · MLSListings Inc.
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Property Details for 21888 Blue Oaks Pl
Overview
- Property Type
- Single Family Residence
- Year Built
- 2015
- Stories
- 2
- Bedrooms
- 6
- Bathrooms
- 7 Full, 1 Half
- Living Area
- 9,373 sqft
- Lot Size
- 355,449 sqft (8.16 acres)
- Price/sqft
- $3,083
- Status
- Active
Interior
- Primary Bedroom
- Primary suite retreat2plus, Walkin closet, Primary bedroom2plus
- Kitchen
- Countertop, marble, Exhaust fan, Islandwith sink, Pantry, Skylights
- Appliances
- Cooktop gas, Dishwasher, Exhaust fan, Garbage disposal, Hood over range, Ice maker, Microwave, Oven electric, Refrigerator, Wine refrigerator, Washer dryer
- Fireplace
- Gas log, Living room
- Heating
- Radiant floors
- Cooling
- Central AC
- Flooring
- Carpet, Hardwood, Stone
- Laundry
- Inside, In utility room
- Family Room
- Separate family room
- Interior Features
- High ceiling, One or more skylights, Vaulted ceiling, Video audio system, Walkin closet, Security gate
Exterior and Parking
- Garage
- Attached, 5 spaces
- Roof
- Composition
- Foundation
- Concrete slab, Other, Reinforced concrete
- Pool
- Cover, Heated, In ground, Pool spa combo, Sweep
- View
- City lights, Hills, Mountains, Valley
- Zoning
- RA
Community and HOA
- Utilities
- Natural gas available, Public, Water public, Solar
- County
- Santa Clara
- City
- Los Altos Hills
- ZIP Code
- 94022
Schools
- School District
- Los Altos Elementary
- Los Altos Hills Schools
- View Los Altos Hills schools
Listing
- MLS Number
- ML82059045
- Listed
- August 26, 2026
- Days on Market
- 43
- Listing Agent
- Marc Roos
- Listing Brokerage
- Christie's International Real Estate Sereno
- Data Verified
- October 8, 2026
Source: MLSListings Inc. School attendance boundaries are set by the district and can change; verify directly with the district.
Free from Aegis · Updated for October 2026
Three Los Altos Hills Reports the Listing Does Not Give You
📄Los Altos Hills Market ReportFree 9-page PDF with bedroom breakdowns, comp data and pricing trends, updated monthly.Email Me the Report →📋Los Altos Hills Buyer BriefA personalized brief with comp data, offer strategy and neighborhood context.Email Me the Report →🎯Los Altos Hills Offer StrategyComp analysis and bid recommendations before you write an offer on this home.Email Me the Report →
Location
21888 Blue Oaks Pl, Los Altos Hills, CA 94022 · Santa Clara County
Market Context
Price Positioning
$ Price context: Listed at $3,083/sqft vs a 2026 Los Altos Hills single family home median of $1,587/sqft (94.2% above).
$ Sale-to-list: Los Altos Hills sales closed at 99.1% of list price in September 2026.
⏲ Velocity: City median 14 days (September 2026). This home: 43 days.
🏠 Inventory: 11 6-bedroom homes and 18 single family homes currently active in Los Altos Hills.
Source: MLSListings Inc. Timothy Alston, Broker, DRE# 01328224.
Want to know what this home will actually sell for? Get a data-backed offer range based on recent comparable sales.
Get My Offer Range →Frequently Asked Questions
Listed at $28,900,000 ($3,083/sqft). The 2026 median for a Los Altos Hills single family home is $1,587/sqft, which puts this home 94.2% above it. The three most recent 6-bedroom sales in 94022 closed at $1,244 to $1,799 per sqft.
Listed August 26, 2026. That is 43 days on market as of October 8, 2026. The Los Altos Hills median was 14 days on market in September 2026.
Est. $180,322/mo with 20% down ($5,780,000) at 6.75%. That is principal and interest $149,956, property tax $30,104 and insurance $262. The assumptions and lender disclosure are with the payment estimate at the top of this page.
There are 19 active listings in Los Altos Hills: 11 are 6-bedroom and 18 are single family homes. At $28,900,000 this home is above the 2026 Los Altos Hills single family home median sale price of $5.57M. Los Altos Hills sales closed at 99.1% of list price in September 2026.
The three most recent 6-bedroom sales in Los Altos Hills 94022 closed at $6,250,000, $7,500,000 and $8,275,800, or $1,244 to $1,799 per sqft. Across all property types, the 2026 Los Altos Hills median is $1,587 per sqft, and the September median was 14 days on market.
Yes. As of October 8, 2026, 21888 Blue Oaks Pl is an active listing at $28,900,000. It is a 6-bedroom, 8-bath single family home.
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Timothy Alston
Broker · DRE# 01328224 · Over 23 Years Experience
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October 2026. Built on the same live MLS data Timothy uses with clients.
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$6.5MMedian Sale Price, Sep+14.5% vs Last Year
14Median DOM, Sep+4 days vs Last Year
19Active Listings-47.2% vs Last Year
99.1%Sale-to-List, Sep-1.0% vs Last Year
For Homeowners
Get My Home's Value
What would your Los Altos Hills home sell for today?
Los Altos Hills homes sold at 99.1% of list price in a median of 14 days in September 2026.
99.1%Sale-to-List, Sep
14Median Days, Sep
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More in Los Altos Hills
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Recently Sold in Los Altos Hills
Closed within 6 months · 6 bed / similar sqft · Los Altos Hills 94022
12882 Viscaino Rd
Sold $6,250,000
6 bd · 6 ba · 5,024 sqft
$1,244/sqft
$1,244/sqft
Closed Aug 18, 2026 · 24 days on market
MLS ID #ML82052227, The Troyer & Cabot Group. Listing provided by Intero Real Estate Services · MLSListings Inc.13321 La Paloma Rd
Sold $8,275,800
6 bd · 3.5 ba · 4,601 sqft
$1,798/sqft
$1,798/sqft
Closed Jul 17, 2026 · 7 days on market
MLS ID #ML82050459, DeLeon Team. Listing provided by Deleon Realty · MLSListings Inc.11881 Francemont Dr
Sold $7,500,000
6 bd · 5 ba · 4,890 sqft
$1,533/sqft
$1,533/sqft
Closed Jul 10, 2026 · 26 days on market
MLS ID #ML82048127, The Troyer & Cabot Group. Listing provided by Intero Real Estate Services · MLSListings Inc.Source: MLSListings Inc. Closed sales data.
For Homeowners
Your neighbors are selling. Should you?
In September 2026, 9 homes sold in Los Altos Hills at a median sale price of $6.5M, and sales closed at 99.1% of list price.
9Sold (September 2026)
$6.5MMedian Sale Price
99.1%Sale-to-List (September 2026)
What happens when the right home lists and nobody knows you are looking for it?
In Los Altos Hills, 3 new listings hit the MLS this week. By the time most search sites update, the window has already narrowed.
Nearby Homes
View All 17 →
New
$6,895,000
27960 Roble Blanco Ct, Los Altos Hills
4 bed3 bath3,770 sqft
MLS ID #ML82059135, Gary Campi. Listing provided by Golden Gate Sotheby's International Realty · MLSListings Inc.
New
$35,000,000
Olive Tree Ln, Los Altos Hills
7 bed5.5 bath7,500 sqft
MLS ID #ML82058794, Maryam Dickey. Listing provided by Compass · MLSListings Inc.
New
$13,800,000
12271 Hilltop Dr, Los Altos Hills
5 bed5.5 bath3,671 sqft
MLS ID #ML82059479, Gary Campi. Listing provided by Golden Gate Sotheby's International Realty · MLSListings Inc.
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OPEN SAT, 1PM TO 4PM$9,880,000
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OPEN SAT, 2PM TO 4PM$7,995,000
10650 Magdalena Rd, Los Altos Hills
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MLS ID #ML82062819, Gretchen Swall. Listing provided by Compass · MLSListings Inc.
OPEN SAT, 1PM TO 4PM$7,788,000
26209 Dori Ln, Los Altos Hills
7 bd · 4.5 ba · 4,977 sqft
MLS ID #ML82063311, Deniece Watkins Smith. Listing provided by Compass · MLSListings Inc.
Buyers
See 21888 Blue Oaks Pl before the weekend
Listed 43 days ago. Half of Los Altos Hills's September sales sold within 14 days on market, so early showings see the most competition.
Sellers
What would your Los Altos Hills home sell for?
9 homes sold in Los Altos Hills in September 2026 at a median sale price of $6.5M and 99.1% of list price.
Get My Home's Value →Questions
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Timothy Alston, Broker, DRE# 01328224. Over 23 years in Silicon Valley real estate.
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