Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$5,202,674$1,909 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $50,500 on Oct 13, 2020

22 RITTENHOUSE AVE

ATHERTON, CA 94027
3
Beds
2.5
Baths
2,726 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Listing

Sold$3,500,000
Listing photo 1Listing photo 2Listing photo 3Listing photo 4Listing photo 5Listing photo 6Listing photo 7Listing photo 8Listing photo 9Listing photo 10Listing photo 11Listing photo 12
Single Family Residence
Type
4
Beds
3
Baths
3,075 ft²
Living Area
$1,138
$/ft²
14,601 ft²
Lot
1950
Year Built
1
Stories
Yes
Pool
May 3, 2018
Sold

The best of California indoor/outdoor living unfolds at this remodeled home and guest house in desirable Lloyden Park, the only neighborhood in Atherton with underground utilities, sidewalks, and brand new street lights. The classic single story home offers ~3,075 square feet of living space with a 3-bedroom main home plus a detached 1-bed/1-bath guest cottage. The designer selections are apparent at every turn which makes this home so special - from custom wall coverings to entire walls finished in artistic patterns of marble. Oriented to the resort-inspired yard with pool, ample space for outdoor enjoyment includes a vast terrace and amazing dining room with full kitchen, fireplace and outdoor dining cabana next to the beautifully appointed guest house. Boasting complete privacy on one-third acre, this home is just minutes to Holbrook-Palmer Park, downtown Menlo Park and Caltrain.

Courtesy of Compass
Listed by Tom LeMieux
BridgeMLS · MLS# ML81698706
Listing History
  1. Sold$3,500,000+6.4%May 3, 2018
  2. Listed for sale$3,288,000Apr 2, 2018
  3. Sold$2,760,000-1.4%Aug 5, 2014
  4. Listed for sale$2,799,000Jun 16, 2014

Valuation

$5.2M
$5M low$5.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$50,500 · Oct 13, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$45,276 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$4,111,093 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,523,798
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$587,295
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,030,486
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$4,532,130

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.33
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(11)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Garfield Elementary SchoolB-
Elementary · Grades KG–8 · 0.3 mi
H
Menlo-Atherton High SchoolA-
High · Grades 9–12 · 1.7 mi

District: Redwood City Elementary School District

Neighborhood · ZIP 94027These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.511

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.7,126
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,411 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$294,375
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$482,221
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.20 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

22 Rittenhouse Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 97% of homes in San Mateo County
  • Costs more per square foot than 97% of homes in San Mateo County
  • Bigger than 86% of homes in San Mateo County
  • Has a smaller lot than 88% of homes in Atherton 94027
  • Older than 73% of homes in Atherton 94027

What homes are worth in Atherton 94027

Each bar is how many homes fall in that price range. The marker is this home.

This home
$1.3M$9M

This home is worth more than 33% of homes in Atherton 94027.

How it measures up in Atherton 94027

The dot is this home. The mark in the middle is the typical home in Atherton 94027.

Estimated value$5,202,674
CheaperTypical $6,414,545Pricier

Pricier than 33% of homes nearby

Price per ft²$1909
CheaperTypical $2171Pricier

Pricier than 31% of homes nearby

Living area2,726 ft²
SmallerTypical 3,910 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.33 ac
SmallerTypical 1 acBigger

Bigger than 12% of homes nearby

Year built1950
OlderTypical 1958Newer

Newer than 27% of homes nearby

How 22 Rittenhouse Ave ranks against every home in each area.
MeasureThis homeLloyden ParkAtherton 94027San Mateo County
Estimated valuepricier than$5,202,67477% of homes33% of homes97% of homes
Price per ft²pricier than$190956% of homes31% of homes97% of homes
Living areabigger than2,726 ft²72% of homes24% of homes86% of homes
Lot sizebigger than0.33 ac46% of homes12% of homes80% of homes
Year builtnewer than195050% of homes27% of homes29% of homes

About 22 Rittenhouse Ave

How much is 22 Rittenhouse Ave, Atherton, CA worth?

The TopHap Estimate for 22 Rittenhouse Ave, Atherton, CA is $5,202,674 as of Jul 14, 2026. The likely range is $5,035,805 to $5,369,543. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 22 Rittenhouse Ave, Atherton, CA last sell?

22 Rittenhouse Ave, Atherton, CA last sold on Oct 13, 2020 for $50,500, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 22 Rittenhouse Ave, Atherton, CA?

22 Rittenhouse Ave, Atherton, CA has 3 bedrooms, 2.5 bathrooms, 2,726 square feet of living space and a 0.33-acre lot.

When was 22 Rittenhouse Ave, Atherton, CA built?

22 Rittenhouse Ave, Atherton, CA was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 22 Rittenhouse Ave, Atherton, CA?

22 Rittenhouse Ave, Atherton, CA is assigned to Garfield Elementary School (elementary), rated B-; Menlo-Atherton High School (high), rated A-. All sit in Redwood City Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 22 Rittenhouse Ave, Atherton, CA compare to other homes in Atherton 94027?

Among the 2,582 homes in Atherton 94027, it is worth more than 33% of them ($5,202,674 against a typical $6,414,545), its price per square foot is higher than 31% of them ($1909 against a typical $2171), it is bigger than 24% of them (2,726 ft² against a typical 3,910 ft²), its lot is bigger than 12% of them (0.33 ac against a typical 1 ac) and it is newer than 27% of them (1950 against a typical 1958). Measured against all of San Mateo County, it is worth more than 97% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 22 Rittenhouse Ave, Atherton, CA?

The 2025 property tax bill for 22 Rittenhouse Ave, Atherton, CA was $45,276. The county assessed it at $4,111,093.

More homes on Rittenhouse Ave

Closest homes

More homes in Atherton 94027

Assigned schools

Explore the area

See this home in context

Open 22 Rittenhouse Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map