Atherton Home Value
Estimator & Market Report
Benchmark three portal estimates and a multi-model AI appraisal panel — with Atherton transfer taxes and your 1% net equity built in.
Atherton (94027) is consistently among the most expensive ZIP codes in the United States — one-acre minimum lots, gated estates, and the elite Las Lomitas and Menlo-Atherton school feeders. Get a free, address-specific estimate for 94027.
Keep roughly $135,800 more than a traditional 3% listing on a typical Atherton home.
How the Atherton valuation tool works
What is the Atherton Multi-AI Home Valuation Tool?
The Atherton Multi-AI & 3-Portal AVM tool is a free home-valuation instrument from Equitas Homes. It benchmarks three real-estate portal estimates — a live Zillow Zestimate® (via Bridge Interactive) alongside Redfin and Homes.com — against a three-model AI appraisal panel (Google Gemini, OpenAI, and Anthropic Claude) reasoning over local MLS comparables. It then applies the standard San Mateo County documentary transfer tax of $1.10 per $1,000 and a 1% listing fee to show a seller's true net equity.
3-Portal AVM Benchmarking
Cross-checks a live Zillow Zestimate® (via Bridge Interactive) with Redfin and Homes.com figures against MLS comparable sales, so your Atherton value reflects several independent models — not a single black-box estimate.
Multi-AI Comparative Market Engine
Three independent AI appraisers — Google Gemini, OpenAI, and Anthropic Claude — each weigh Atherton comparables for proximity, recency, size, and lot nuances, then reconcile to a defensible range with the adjustment math shown.
Real Net Equity Calculation
Instantly deducts the standard San Mateo County documentary transfer tax of $1.10 per $1,000 and models a 1% Equitas listing fee against a traditional 3%, so you see the equity you actually keep — not just a headline price.
Atherton at a glance
Median single-family value
$6,790,000
RentCast market data · Updated Oct 2026
Average price / sq ft
$2,091 / sq ft
RentCast market data · Updated Oct 2026
Local transfer / conveyance tax
Atherton
Atherton is a general-law town with NO separate municipal transfer tax. Sellers pay only the San Mateo County documentary transfer tax of $1.10 per $1,000 of sale price.
How does Atherton compare to San Mateo County?
Atherton (ZIP 94027) versus a representative San Mateo County benchmark, from live RentCast market data. Use it to gauge whether local pricing and pace run above or below the county.
| Metric | Atherton (94027) | San Mateo County |
|---|---|---|
| Median sale price | $6,790,000 | $1,694,035 |
| Average price / sq ft | $2,091 / sq ft | $964 / sq ft |
| Average days on market | 33 days | 43 days |
RentCast market data · ZIP 94027 · county: San Mateo County — 12-ZIP representative basket (live RentCast). Market figures are automated and change frequently; verify before pricing.
Atherton neighborhoods & 1% savings
Live neighborhood median sale prices from RentCast (24-hour cache), with broker baselines as fallback — and the listing-side savings when you sell with Equitas' 1% listing fee instead of a traditional 3%.
| Neighborhood / Zone | Zip | Key pricing drivers | Est. 1% vs 3% savings |
|---|---|---|---|
| West Atherton301% above county | 94027 | One-acre estates, gated privacy, mature oaks | $135,800on ~$6,790,000 |
| Lindenwood301% above county | 94027 | Prestige flat lots, circular drives, top feeders | $135,800on ~$6,790,000 |
| Lloyden Park301% above county | 94027 | Walkable to Menlo Park, slightly smaller lots, strong resale | $135,800on ~$6,790,000 |
| Las Lomitas301% above county | 94027 | Las Lomitas feeder, family turnover, quiet lanes | $135,800on ~$6,790,000 |
Savings = 2% of a representative sale price (3% traditional listing side minus Equitas' 1%). Actual prices vary by home; buyer-side compensation and closing costs are separate and shown in your net sheet.
Top-rated schools
Las Lomitas Elementary & Menlo-Atherton (Sequoia Union High)
- • Menlo-Atherton High
- • La Entrada Middle
- • Las Lomitas Elementary
The Las Lomitas feeder and Menlo-Atherton High are nationally recognized value anchors; estate lot size and privacy drive the premium far more than price per square foot.
Parks & green spaces
- Holbrook-Palmer Park22-acre town park, tennis, trails, event pavilions
- Menlo Circus Club areaequestrian & country-club adjacency
Dining & downtown
Nearby Santa Cruz Avenue, Menlo Park & Stanford Shopping Center
- • Selby's
- • Flea Street Café
Full-service in Atherton, for a 1% listing fee
Equitas Homes provides complete listing representation — pricing strategy, professional marketing, negotiation and closing — for a 1% listing fee instead of a traditional 3%. It's not just what you sell for; it's what you keep.
Louis Fong — Broker, Equitas Homes
San Mateo County real-estate specialist serving Atherton sellers with full-service listings at a 1% listing fee. This valuation and market guidance is prepared and reviewed by a licensed California broker.
Selling a home in Atherton
Estimates are automated and for information only — not an appraisal or guaranteed sale price. School boundaries, taxes, and market figures change; verify current details before listing.