Cow Hollow

2100 Green.

2100 Green St
Units
21
Built
2005

Every unit here is open to an offer — listed or not.

Make an offer on any unit →See every sale in this building — free
Tell me when something happens here

A unit lists, a sale records, the HOA figures change. No account, and one click to stop.

Cow Hollow2100 Green
2026 market report · year to date through October 15

2100 Green, the 1927 cooperative at Green and Webster: the penthouse resold this year at $5,320,000, 2.3 percent over its 2024 price, in a building where every sale comes through the recorder

Two transfers at 2100 Green Street through October 15, against two in the 2025 window; $7.3 million of volume against $5.8 million. Median sale $3,660,000; median $1,390 a square foot, against $1,556 last year and $1,635 in 2024. #800, the 3,122-square-foot penthouse, went for $5,320,000 in May after $5,200,000 in April 2024; #206, 1,858 square feet, for $2,000,000 in February. Neither appeared on the MLS.

Off market · San Francisco

See condos before they reach the listing sites.

Coming-soon listings, owners’ private numbers and the Investor Exchange, with the unit, price and photos of each. Nothing in 2100 Green is off market today; a free account shows you everything that is.

Browse the off-market map
55Coming soonentered on the MLS, not yet on the market, 18 in catalogued buildings
1On the Investor Exchangea rented unit offered by its owner
1Owner’s numberthe price that would make them move, no listing
About

About 2100 Green

2100 Green is a 21-unit condominium building in Cow Hollow, San Francisco, built in 2005. 2 recorded sales in the 12 months to Oct 18, 2026, too few for a median.

Neighborhood
Cow Hollow
Property type
Condo
Built
2005
Units
21
The Dossier

2100 Green, by the numbers

Sold (12 mo)
2
Recorded sales, 12 months to Oct 18, 2026 · too few for a median
Last sale
$5,320,000
Unit 800 · May 14, 2026
Unit count
21
Boutique building
Built
2005
2000's

Sign in to see the full dossier

Owner tenure patterns, price trajectories, sale-to-list ratios and off-market activity signals — available to members. Free to sign up.

Unlock enhanced data →
Recorded sales

Every recorded sale at 2100 Green

2100 Green at 2100 Green St has 39 recorded sales since 1993. In the 12 months to Oct 18, 2026, 2 sold, too few for a median.

DateUnitPriceSq ft$/sq ft
May 14, 20262100 Green St #800$5,320,0003,122$1,704
Feb 26, 20262100 Green St #206$2,000,0001,858$1,076
Sep 16, 20252100 Green St #706$3,675,0001,866$1,969
Aug 21, 20252100 Green St #302$2,100,0001,835$1,144
Aug 26, 20242100 Green St #406$3,050,0001,866$1,635
Aug 16, 20242100 Green St #304$1,800,0001,850$973
Apr 26, 20242100 Green St #800$5,200,0003,122$1,666
Jul 8, 20222100 Green St #502$2,700,0001,850$1,459
May 13, 20222100 Green St #104$1,995,0002,173$918
Dec 9, 20202100 Green St #704$2,850,0001,866$1,527
Jan 25, 20182100 Green St #800$4,800,0003,122$1,537
Jan 8, 20182100 Green St #404$2,750,000——
Aug 8, 20172100 Green St #406$3,175,000——
Aug 18, 20162100 Green St #204$1,850,0001,841$1,005
Aug 25, 20142100 Green St #702$2,400,000——

The 15 most recent of 39 recorded sales, from county records and the MLS, one row per sale. Transfers under $100,000 are left out. BMR marks a below-market-rate sale: it is listed here and left out of every figure on this site.

Market analysis

How 2100 Green compares

Trailing-12-month performance against the half-mile surroundings and the broader market, plus quarter-by-quarter $/ft² history.

Read the full 2100 Green market report on Local News →

Run the numbers

Mortgage calculator

Back-of-envelope monthly cost for a purchase at 2100 Green. Defaults use the building’s recent median price and conservative market assumptions.

Purchase price
$
Down payment
%
Interest rate
%
Term
yrs
Est. HOA
$/mo
Est. monthly
$—
Principal + interest + HOA
Principal & interest$—
Est. property tax$—
HOA$—
Down payment$—
Loan amount$—

Numbers add up?

Make this offer · $950,000 →
Every unit is for sale

Buy at or sell at 2100 Green

You don’t need a unit to be listed to make a move. Submit an offer on any unit in the building, or name a price your own unit would sell for.

Buy — submit an offer

Name the unit, the price, and your terms. We route it to the owner through standard channels and track the response in your dashboard.

Make an offer →

Sell — name your price

Set a Make-Me-Move number, not a listing. Keep living in your unit. We notify you only when a buyer’s offer matches your number.

Set your price →

All offers require a free account. Already have one? Sign in.

Go deeper

Get the inside view on 2100 Green

Three ways to learn more — no account required. Tell us where to send it and it’s on its way.

▶

Watch the market review

A short video walkthrough of recent sales in 2100 Green and the buildings around it — what’s moving, and what it means for value.

▤

HOA & CC&R cheat sheet

A plain-English summary of 2100 Green’s rules, fees, rental policy, and the fine print that actually matters — delivered within 24 hours.

◉

Talk it through with Tim

Ready to go deeper? Grab a time directly — or leave your email and Tim will reach out.