Alamo Housing Market 2026: $2.85M Median, 30-Day Sales, and the Unincorporated Contra Costa Enclave Where 6% Commission Tops $170K

Alamo — the unincorporated Contra Costa County community of about 15,000 residents, wedged between Danville to the south and Walnut Creek to the north along I-680 — is the East Bay's quietest luxury market. The Redfin market data in 2026 puts the citywide median sale price near $2.85M (Redfin Alamo), with homes pending in roughly 25–35 days and a sale band that runs $1.8M–$8M+ across Round Hill Country Club, Stone Valley Ranch, Westside Alamo, and the Las Trampas / Mt. Diablo ridge estates.

The structural story: Alamo is the most expensive census-designated place in Contra Costa County (Wikipedia Alamo), unincorporated by deliberate community choice, San Ramon Valley Unified School District (one of California's top public-school districts), and a buyer pool that runs from East Bay tech principals to Silicon Valley relocators to multi-generational equity-rich families. Sale band: $1.8M Stone Valley entry to $8M+ Westside Alamo estate — a 4x spread within a single 8.6-square-mile community.

This is the 2026 sellers' guide for Alamo: the Round Hill Country Club golf-course tier, Stone Valley Ranch's master-planned luxury corridor, Westside Alamo's estate inventory, the Las Trampas / Mt. Diablo ridge premium, the San Ramon Valley Unified school catchment, and the commission math at the $1.8M–$8M Alamo price spread — where 5–6% traditional commission still costs sellers $90K–$480K out of equity.

Alamo Market Snapshot — May 2026

Metric	Value	Source	What It Means for Sellers
Citywide median sale price	~$2,850,000	Redfin Alamo	Most expensive CDP in Contra Costa County
Median days on market	~30 days	Redfin Alamo	Luxury-tier pace — buyer pool is selective
Population	~15,000	Wikipedia Alamo / U.S. Census	Small unincorporated CDP
Land area	~8.6 sq mi	Wikipedia Alamo	Compact, infill-constrained
ZIP code	94507	USPS	Single ZIP covers the entire community
School district	San Ramon Valley Unified	Wikipedia Alamo	Among the top-ranked CA public districts
Transit corridor	I-680 (north-south spine)	Wikipedia Alamo	10-min Walnut Creek BART, 5-min Danville
Incorporation status	Unincorporated CDP	Wikipedia Alamo	Governed by Contra Costa County

Why Alamo Trades the Way It Does

Alamo is structurally different from every incorporated Contra Costa neighbor. It's an unincorporated census-designated place (Wikipedia Alamo) — meaning no city government, no city sales tax, no city zoning overlay on top of county zoning. That's been a deliberate community-level decision for decades, and it's part of why Alamo's housing stock skews to larger lots, lower-density single-family, and a more semi-rural / equestrian feel than the master-planned Danville to the south or the urban Walnut Creek to the north.

The buyer pool: East Bay and Silicon Valley tech principals (the San Ramon / Bishop Ranch / Tri-Valley tech corridor sits 10 miles south); cross-bay relocators from Lafayette / Orinda / Moraga seeking more lot and less Lamorinda commute; multi-generational equity-rich Bay Area families upgrading from Walnut Creek or Danville; and the rare out-of-state luxury relocator drawn by San Ramon Valley Unified School District — among the top-ranked public school districts in California.

The school anchor: SRVUSD's reputation is the single biggest pricing input on family-tier Alamo sales. Buyers will pay a $400K–$800K premium for SRVUSD-zoned Alamo product over equivalent Walnut Creek inventory zoned to Mt. Diablo Unified.

The corridor: I-680 runs through Alamo, with 10-minute access to Walnut Creek BART for SF / Oakland commuters and 5-minute access to downtown Danville for shopping / dining. That dual-end commute access is part of why Alamo's median sits 30–40% above Danville's and 3–4x above Walnut Creek's for equivalent product.

The Alamo Neighborhoods That Move the Pricing

Round Hill Country Club — The $2.5M–$5M Golf-Course Tier

Round Hill Country Club is Alamo's gated private-club golf community, with the 18-hole Round Hill course, the country-club clubhouse, and a mix of 3,500–6,000+ sqft homes on the golf-course corridor. The premium social anchor for east-Alamo luxury inventory. Sale band: $2.5M–$5M. Buyer pool: golf-club members, multi-decade Alamo families, East Bay tech principals.

Stone Valley Ranch / Stone Valley West — The $2.0M–$3.5M Luxury Corridor

Stone Valley Road runs east–west through Alamo, with Stone Valley Ranch and Stone Valley West as the master-planned and semi-custom subdivision corridor. Newer-build product (1990s–2010s), 0.5–1.0 acre lots, the SRVUSD school catchment. Sale band: $2.0M–$3.5M.

Westside Alamo — The $3M–$8M+ Estate Tier

Westside Alamo runs west of I-680 into the Las Trampas Regional Wilderness ridge. Estate-tier inventory: 1–5+ acre lots, custom builds, panoramic ridge / valley views, equestrian-friendly zoning. The top of the Alamo market. Sale band: $3M–$8M+ with substantial outliers.

Downtown Alamo / Stone Valley Plaza — The $1.8M–$2.5M Walkable Tier

The downtown commercial node along Danville Boulevard and Stone Valley Plaza provides the walkable amenities anchor, with a tighter residential tier of older single-family product (1960s–1980s) on 0.25–0.4 acre lots. Sale band: $1.8M–$2.5M. Buyer pool: downsizing seniors, single-couple buyers, first-time SRVUSD family buyers.

Las Trampas Ridge / North Alamo Hills — The $2.5M+ View Tier

The Las Trampas / Mt. Diablo ridge frontage along the northern and western edges of Alamo offers panoramic-view custom builds, larger acreage, and a more semi-rural / equestrian footprint. Sale band: $2.5M+ with view-tier estates trading well into the $5M+ range.

What 5–6% Commission Actually Costs at Alamo Prices

Alamo Commission Comparison — Flat Fee vs Traditional

Sale Price	Traditional 5%	Traditional 6%	Charlie AI	White Glove	You Keep vs 6% (Charlie AI)
$1,800,000 (Downtown Alamo entry)	$90,000	$108,000	$7,999	$26,500	+$100,001
$2,300,000 (Stone Valley entry)	$115,000	$138,000	$12,999	$32,500	+$125,001
$2,850,000 (Citywide median)	$142,500	$171,000	$12,999	$40,000	+$158,001
$3,500,000 (Round Hill / Westside)	$175,000	$210,000	$19,999	$50,000	+$190,001
$5,000,000 (Westside estate)	$250,000	$300,000	$19,999	Contact for pricing	+$280,001

LOQOL is a licensed California flat-fee brokerage (CA DRE #02261474). Charlie is the AI agent that drives comp pulls, listing prep, disclosure workflow, and seller communication — a licensed California agent remains the agent of record on every Alamo listing.

Which Alamo Listing Path Fits Your Situation?

You have a $1.8M Downtown Alamo single-family. Charlie AI at $7,999 is the right tier. At $108,000 in 6% commission, Charlie saves you $100K in equity, drives the MLS / disclosure workflow, and a LOQOL CA agent stays the agent of record. The downtown Alamo buyer pool (downsizing seniors, single-couple SRVUSD buyers) sources via Zillow / Redfin / Compass syndication — Charlie's listing reach is the same.

You have a $2.85M citywide-median Alamo home — Stone Valley Ranch or eastside Round Hill perimeter. Charlie AI at $12,999 vs. $171,000 at 6% — $158K back in your pocket. Or White Glove at $40,000 vs. $171,000 — still $131K saved with full-service paint, staging, in-person showings, and a dedicated human agent (photography scheduled and coordinated alongside, billed separately).

You have a $3.5M Round Hill Country Club or Westside Alamo home. Charlie AI at $19,999 vs. $210,000 at 6% — $190K saved. Or White Glove at $50,000 — the white-glove luxury-buyer pool gets the staging + managed-showings + dedicated agent treatment, and you still keep $160K vs. 6%.

You have a $5M+ Westside Alamo ridge estate. Charlie AI at $19,999 vs. $300,000 at 6% — $280K saved. At $5M+, White Glove is custom-quoted (contact for pricing). The Westside Alamo estate buyer pool is small, selective, and primarily off-MLS — the listing-side play is fewer-but-better showings + Pacific Union International / Sotheby's-equivalent positioning. LOQOL coordinates that with the licensed CA agent of record.

Frequently Asked Questions

What is the median home price in Alamo in 2026?

~$2.85M, per Redfin Alamo. Homes pend in around 25–35 days — slower than the East Bay average because the buyer pool is selective at this price tier. Sale band runs $1.8M–$8M+ across downtown Alamo, Stone Valley Ranch, Round Hill Country Club, and Westside Alamo estates.

How long does it take to sell a home in Alamo?

~30-day median DOM — luxury-tier pace, slower than Walnut Creek (14 days) or Danville (~25 days) because the $2M+ buyer pool is smaller and more selective. Listings priced into the neighborhood comps and properly prepped run 20–35 days; overpriced or under-prepped listings drift to 60–90 days.

Is Alamo a good market to sell a house in 2026?

Yes — Alamo is the highest-priced CDP in Contra Costa County and the buyer pool is structurally tight (multi-decade equity-rich families, East Bay / Silicon Valley tech principals, SRVUSD-zoned family buyers). The risk is overpricing in a luxury tier — a $3M Round Hill home that should be $2.85M will sit 90 days while equivalent Stone Valley Ranch product sells in 25.

What's the best Alamo neighborhood for families?

Stone Valley Ranch for SRVUSD-zoned newer construction at $2.0M–$3.5M; Round Hill Country Club for golf-course families at $2.5M–$5M; Downtown Alamo / Stone Valley Plaza for walkable single-couple SRVUSD buyers at $1.8M–$2.5M.

Which Alamo neighborhood is the most expensive?

Westside Alamo / Las Trampas ridge — estate-tier inventory at $3M–$8M+ with substantial $5M+ outliers. The combination of 1–5+ acre lots, panoramic Mt. Diablo / Las Trampas views, and SRVUSD zoning drives the premium.

How much commission do Alamo real estate agents charge?

5–6% of the sale price, split roughly 50/50 between listing and buyer's agent. At Alamo's $2.85M citywide median, that's $142,500–$171,000 per sale. LOQOL's Charlie AI is $12,999 at the $2M–$3M Alamo tier — saving Alamo sellers $130K–$158K in equity vs. traditional 6%. At $3M+ Westside Alamo estates, Charlie AI runs $19,999 vs. $180K–$300K at 5–6%.