American Canyon, CA Real Estate & Homes for Sale
By Matthew Martinez, Founder, CEO & Managing Broker, Diamond Real Estate Group. California DRE #01869679.
American Canyon is an incorporated city of 22,773 people (July 2025, Census) at the south end of Napa County, California, on the Solano County line next to Vallejo. New homes are going up in the Watson Ranch plan area. Redfin’s median sale price for ZIP 94503, which covers American Canyon addresses, was $699,697 for the three months to August 2026, well below the City of Napa’s.
The city has existed only since January 1, 1992, when the community formerly called Napa Junction incorporated. The rules a buyer meets here are the city’s own: special-tax districts, a zoning code with no short-term rental program, and water bought almost entirely from the State Water Project.
- County
- Napa County
- Government
- Incorporated city (since January 1, 1992)
- ZIP code
- 94503
- Population
- 22,773 (July 1, 2025, Census estimate)
- Median sale price
- $699,697 (3 months to Aug 2026, ZIP 94503, Redfin)
- Water
- City of American Canyon (State Water Project)
American Canyon homes for sale
Current MLS listings in American Canyon appear below. To compare with nearby Napa or Vallejo, use our property search.
What do homes in American Canyon sell for?
$699,697
3 months to August 2026, ZIP 94503, Redfin
47.8%
August 2026, Redfin
35
August 2026, Redfin
By Redfin’s measures, American Canyon is a faster market than the City of Napa: a Compete Score of 75 out of 100 (“very competitive”) against Napa’s 50, with nearly half of August’s sales closing above the asking price and the typical home going pending in about 35 days. The median fell 7.6% from a year earlier while the price per square foot rose 1.7%, which suggests a shift in the mix of homes sold rather than a broad drop in values. With about two dozen sales a month, even a three-month median can swing with the mix of homes that close.
| Measure | Figure | Period and source |
|---|---|---|
| Median sale price, ZIP 94503 | $699,697 (down 7.6% year over year) | 3 months to August 2026, Redfin |
| Median price per square foot | $364 (up 1.7%) | 3 months to August 2026, Redfin |
| Homes sold | 24 (20 a year earlier) | August 2026, Redfin |
| Median days on market | 35 (39 a year earlier) | August 2026, Redfin |
| Sale-to-list price ratio | 99.3% | August 2026, Redfin |
| Homes with a price drop | 22.6% | August 2026, Redfin |
| Median value of owner-occupied homes | $692,600 | ACS 2020–2024, Census QuickFacts |
| City of Napa median, for comparison | $829,605 | 3 months to September 2026, Redfin |
| Napa County median, for comparison | $918,000 | September 2026, C.A.R. |
The Census Bureau’s survey shows a city of owners: 74.3% of homes are owner-occupied, against 63.4% countywide, with a median cost of $3,066 a month for owners with a mortgage. The median gross rent, $2,537, is higher than the City of Napa’s (ACS 2020–2024).
From Napa Junction to a city of its own
The city’s own history traces American Canyon’s growth to two events: the opening of the Carquinez Bridge in 1927, which brought more people into the area, and the wartime operation of Mare Island across the county line, which drew settlers. Residents worked toward cityhood from 1950 until 1991, and the former Napa Junction became the City of American Canyon on January 1, 1992 (City of American Canyon).
Since then the city has grown in both people and land. Its population rose from 21,837 in 2020 to 22,773 in 2025, and its land area from 4.84 square miles in 2010 to 6.09 in 2020 (Census). Households are larger than the county average, at 3.60 people per household against 2.63 countywide (ACS 2020–2024).
Because American Canyon is a city, its own planning staff and Planning Commission, not Napa County, handle zoning and use permits. The county’s rules for unincorporated land, including its vacation-rental ban and agricultural zoning, don’t apply inside the city limit.
Watson Ranch and the newer neighborhoods
New construction is under way in the 309-acre Watson Ranch Specific Plan area. The city’s plan calls for a Town Center, new residential neighborhoods with a range of housing types, a new elementary school, parks, and bike and pedestrian trails linking to the Newell Open Space. It also provides for the adaptive reuse of the Napa Valley Ruins & Gardens as a place for community and private gatherings (City of American Canyon).
One example of what’s being built: on May 1, 2026, KB Home announced Sorrel at Watson Ranch, two-story single-family homes with up to four bedrooms and 2.5 baths, priced from the $590,000s, at Marcus Road and Cartier Street just off Highway 29 (KB Home). Builder prices change often, so treat that as a starting point, not a quote.
HOAs and special taxes to check
Newer homes can carry two costs that older ones often don’t: homeowners association dues and special taxes. American Canyon uses community facilities districts (Mello-Roos districts) to pay for infrastructure and services; for example, Ordinance 2019-03 levies special taxes in Community Facilities District No. 2018-1, the Green Island Road Project, to repay up to $14 million of bonds and fund facilities and services (City of American Canyon). Before you write an offer on any newer home:
- Ask for the latest property tax bill and look for special-tax and assessment lines.
- Ask the seller or builder for the Mello-Roos (special tax) disclosure and the year the tax ends, if it does.
- For an HOA, read the budget, reserve study, CC&Rs and recent board minutes, and note any rules on rentals, parking and exterior changes.
Can you run a short-term rental in American Canyon?
We found no short-term rental permit program, and the zoning code points the other way. American Canyon’s zoning title has no short-term or vacation rental chapter. Its table of uses for the six residential districts (RRH, RE, RR, RS, RM and RH) lists only two kinds of lodging: a bed-and-breakfast inn, allowed only with a Planning Commission use permit in RRH, RE and RR, and “room rentals”, allowed with a use permit in RR and RS. Short-term or vacation rentals aren’t listed as a use, and the code adds that a use with no letter in the table “is not permitted in that district” (ACMC 19.10.040).
- ADUs: an accessory dwelling unit or junior ADU must be rented for at least 30 consecutive days, and it can’t be sold separately from the main house except as state law allows (ACMC 19.39.080).
- Hotel tax: the city’s transient occupancy tax is 12% of room rent, plus 2% for hotels in the Napa Valley Tourism Improvement District. The city’s tax page describes hotels and says nothing about home rentals.
If short-stay income matters to your purchase, get the city planning division’s answer in writing before you remove contingencies. Rentals of 30 days or more are the more dependable plan, and an HOA’s CC&Rs may restrict even those.
Mobile homes and rent stabilization
American Canyon has had a Mobilehome Park Rent Stabilization Program in its municipal code since 1995 (Ordinance 95-20, amended by Ordinance 2011-04). Its stated purpose is to protect mobilehome owners from unreasonable space-rent increases while giving park owners “a just and reasonable rate of return”, it finds that “it is desirable to provide vacancy control”, and newly constructed spaces are exempt (ACMC 15.04.010). The zoning code also has a mobilehome park overlay district and a separate ordinance governing park conversions.
Buying a mobilehome in a park means buying the home and taking on a space rent that may fall under the program, so ask the park for the current rent, the last few years’ increases and the park rules, and ask the city whether the park is covered.
Water and utilities
American Canyon buys nearly all its water from the State Water Project. It arrives through the North Bay Aqueduct, which runs 27 miles from Barker Slough to tanks, shared with Napa, beside the water treatment plant in Jamieson Canyon; treated water then runs along Highway 12 and Highway 29 to the main storage tank on Oat Hill, just west of City Hall. In peak irrigation season the city tops up with treated water from Napa and Vallejo. The system delivers about 980 million gallons a year to more than 5,400 homes and businesses (City of American Canyon).
In a dry year, ask about current conservation rules. If you’re buying land or adding units, the city’s water page points developers to its Zero Water Footprint and will-serve process.
Getting around: Highway 29, Highway 12 and transit
Highway 29 runs through American Canyon, and Highway 12 runs east from it through Jameson Canyon to Interstate 80. Caltrans’ 2007 filing proposed widening that stretch from two lanes to four, with an interchange at Highway 29 (CEQAnet). All six miles of Jameson Canyon are now four lanes with a concrete median, a $126 million, two-year project; the old two-lane road carried about 33,000 vehicles a day (Napa Valley Register).
Commutes are longer here than in the city of Napa: the mean travel time to work was 29.7 minutes, against 23.9 in Napa (ACS 2020–2024).
- Bus: VINE runs ACT, American Canyon Transit, as a flex service Monday to Saturday, and its regional 11 Napa–Vallejo Connector (daily) and 11X express (weekdays) link Napa and Vallejo (VINE Transit).
- Ferry: from the Vallejo Ferry Terminal, San Francisco Bay Ferry boats reach San Francisco in about an hour, for $10 one way for adults from July 2026 (SF Bay Ferry).
- By bike or on foot: the Napa Valley Vine Trail’s Vallejo–American Canyon segment runs 5.5 miles from the ferry terminal, along the Mare Island Strait and the White Slough wetlands, to Veterans Memorial Park in American Canyon, where it crosses into Napa County (Napa Valley Register). The full trail is planned to run 47 miles to Calistoga; remaining gaps include the airport industrial area just north of the city.
Parks, open space and schools
The city has two large open spaces. Due east of town, the 620-acre Newell Open Space Preserve, donated to the city by Jack and Bernice Newell in 1999, is still a working ranch with free-roaming cattle; it’s open sunrise to sunset, dogs aren’t allowed, and it may close on red-flag days (City of American Canyon). Along the Napa River wetlands, about ten miles of trails are managed jointly by the city, the state Department of Fish and Wildlife and the Napa County Parks and Open Space District. This Napa River Bay Trail is part of the San Francisco Bay Trail, and its gateway is the 26-acre Clarke Ranch park at Eucalyptus Drive and Wetlands Edge Drive (City of American Canyon).
Public schools are part of the Napa Valley Unified School District, which also serves Napa and Yountville; check its Find Your School page for an address. Watson Ranch’s plan includes a new elementary school. Broadband is nearly universal, with 95.7% of households subscribed (ACS 2020–2024).
Hazards to check before buying
Four checks matter most here: earthquake, flood, slope and fire.
- Earthquakes: the magnitude 6.0 South Napa earthquake of August 24, 2014 struck north of San Pablo Bay near the West Napa Fault, at a depth of about 11 kilometres (USGS). Read the natural hazard disclosure for fault and seismic zones, and ask whether a pre-2014 house had repairs afterwards.
- Floodplains and marshes: the zoning code has a floodplains chapter, and the city’s trails run along the Napa River wetlands. Check FEMA’s flood map for the parcel and ask your lender whether flood insurance will be required.
- Hillsides: the zoning code also has a hillsides chapter, so a sloped lot may face extra review. Ask for a geotechnical report on any hillside lot or view home.
- Fire: look up the parcel’s Fire Hazard Severity Zone on the state map. In a High or Very High zone, California’s AB 38 rule (Civil Code 1102.19) adds a defensible-space disclosure at sale.
The transfer tax, at least, is simple: a sale here pays only Napa County’s $1.10 per $1,000, half of which goes to the city, and we found no separate city tax (Napa County). On a $699,697 sale with no loans assumed, that’s about $770. Our Napa County real estate guide covers the county-wide rules.
American Canyon compared with nearby areas
| Area | County | One verified difference |
|---|---|---|
| American Canyon | Napa | ZIP 94503 median $699,697 (3 months to August 2026, Redfin); no short-term rental program |
| Napa | Napa | Median $829,605 (3 months to September 2026, Redfin); vacation rentals capped at 41 whole-home and 60 hosted permits |
| Vallejo | Solano | The ferry terminal; a city conveyance tax brings the transfer tax to $4.40 per $1,000, four times American Canyon’s |
| Benicia | Solano | A 13% hotel tax, against American Canyon’s 12% |
| Fairfield | Solano | Capitol Corridor trains at the Suisun-Fairfield and Fairfield-Vacaville stations |
For the Solano side of the line, see our Solano County real estate guide.
How Diamond Real Estate Group helps American Canyon buyers
Buying in American Canyon often comes down to the paperwork that comes with newer homes. We pull the tax bill and Mello-Roos disclosure so you know the full annual cost, read the HOA documents for rental and parking rules, confirm with the city whether a rental plan is allowed, and compare a resale with what builders are charging in Watson Ranch before you set your price. For a mobilehome, we get the space rent history and park rules up front.
- Licensed agents who serve American Canyon, with each DRE license linked.
- Investment property, if you’re weighing rental returns.
- Thinking of selling? Start with a private home valuation.
See how we work with buyers for the steps from first showing to closing.
Selling a home in American Canyon
American Canyon has been a city since 1992, so permits and zoning are handled by city planning and building staff. Many homes are newer and sit in subdivisions with an HOA, a special-tax district or both. That shapes the paperwork a seller gathers more than anything else here.
Transfer tax
The county’s documentary transfer tax applies: $0.55 per $500, so a $650,000 sale pays $715. Half of the base tax goes to the city. We found no separate city tax. Napa County notes that sellers customarily pay in Northern California, though it is open to negotiation. Our transfer tax guide walks through it.
Special taxes and HOA documents
If the property pays a Mello-Roos special tax or a 1915 Act assessment, Civil Code 1102.6b requires you to make a good-faith effort to get each agency’s notice and pass it to the buyer. Check your tax bill for special-tax lines and order the notices when you list, not in escrow. In an HOA, Civil Code 4525 adds the governing documents, the association’s statement of assessments and unpaid charges, and any rental prohibition. The buyer can also request the last 12 months of approved board minutes.
Mobile homes and second units
- A mobile home in a park transfers through the state housing department (HCD). Buyers will ask for the space rent and recent increases, since the city has a park rent stabilization program. See mobile homes in Napa County.
- An ADU can’t be sold apart from the main house, and city code requires rentals of at least 30 days. Have the ADU’s permit and final inspection ready.
State items and hazards
Provide signed statements on smoke alarms and water-heater bracing, and confirm carbon monoxide alarms where the home has gas or an attached garage. Buyers of hillside lots tend to ask for any geotechnical report, and buyers near the Napa River wetlands ask about flood zones. For a parcel in a High or Very High fire zone, AB 38 requires a recent defensible-space report or a written one-year agreement; ask the fire agency serving the address how to book it.
Buyers here often compare a resale with new homes in Watson Ranch, so price from recent resales. A home valuation is the place to start.
Sources for this section: Napa County: Document Transfer Tax; California Public Law: Civil Code section 1102.6b; California Public Law: Civil Code section 4525; California HCD: Manufactured home registration and titling; California Public Law: Health and Safety Code section 13113.8; California Public Law: Health and Safety Code section 17926; California Public Law: Health and Safety Code section 19211; Justia: California Civil Code section 1102.19.
American Canyon real estate FAQs
How much do homes cost in American Canyon?
Redfin’s median sale price for ZIP 94503 was $699,697 for the three months to August 2026, down 7.6% from a year earlier, at $364 per square foot. The Census median value of owner-occupied homes was $692,600 (2020–2024), well below the City of Napa’s figures.
Are there new homes for sale in American Canyon?
Yes. New construction is under way in the 309-acre Watson Ranch Specific Plan area, where KB Home opened Sorrel at Watson Ranch in May 2026, with two-story homes from the $590,000s. Ask any builder for the HOA dues and special-tax estimate along with the base price.
What is the ZIP code for American Canyon?
American Canyon addresses use ZIP code 94503, and Redfin’s market figures on this page are for that ZIP. A ZIP code and a city limit aren’t always the same line, so confirm the jurisdiction on the parcel’s tax record.
Can I rent my American Canyon home on Airbnb?
Don’t plan on it without written approval from the city. The zoning code has no short-term rental program, doesn’t list short-term rentals as a use in any residential district and allows bed-and-breakfast inns only with a use permit in three districts. ADUs must be rented for at least 30 days.
Do American Canyon homes have Mello-Roos taxes or HOA dues?
Some do. The city uses community facilities districts to fund infrastructure, and newer subdivisions may have an HOA. The tax bill and the Mello-Roos disclosure will show any special tax; the HOA’s documents show the dues and rules.
Are there mobile home parks in American Canyon?
Yes. The city’s code has a mobilehome park overlay district, an ordinance on park conversions and a rent stabilization program for park spaces, in place since 1995. Ask the park for the current space rent and its recent increases before you buy a home there.
Where does American Canyon’s water come from?
Mainly the State Water Project, delivered through the North Bay Aqueduct to a treatment plant in Jamieson Canyon, with treated water from Napa and Vallejo in peak season. The city serves more than 5,400 homes and businesses.
Is American Canyon part of Napa Valley?
It’s part of Napa County, at the county’s southern edge next to Solano County, with its own city government. There’s no American Canyon wine appellation among the county’s 19, and the Napa Valley Vine Trail enters the county at the city’s Veterans Memorial Park.
How do I get from American Canyon to San Francisco without a car?
Get to the Vallejo Ferry Terminal, by VINE’s Napa–Vallejo routes or by the 5.5-mile Vine Trail segment from Veterans Memorial Park, then take San Francisco Bay Ferry, about an hour to the city at $10 one way for adults.
How long are commutes from American Canyon?
The mean travel time to work was 29.7 minutes (ACS 2020–2024), almost six minutes longer than in the City of Napa. Highway 12 through Jameson Canyon, now four lanes, leads east to Interstate 80.
Which school district serves American Canyon?
The Napa Valley Unified School District, which also serves Napa and Yountville. Use the district’s Find Your School page to confirm the schools assigned to an address.
Is there land for sale in American Canyon?
Lots come up occasionally; filter the property search for land. Before you buy, ask the city about a water will-serve under its Zero Water Footprint process, and check whether the zoning code’s hillside or floodplain chapters apply to the parcel.
Sources & notes
- Redfin: 94503 housing market (August 2026); Census QuickFacts: American Canyon city; C.A.R.: September 2026 sales report
- City of American Canyon: history, Watson Ranch Specific Plan, water, Newell Open Space Preserve, wetlands and Bay Trail, transient occupancy tax
- American Canyon Municipal Code: 19.10.040 residential uses, Title 19 Division 2, 19.39.080 ADUs, 15.04 mobilehome rent stabilization, Ordinance 2019-03 (CFD 2018-1)
- KB Home: Sorrel at Watson Ranch (May 1, 2026)
- CEQAnet: SR-12 Jameson Canyon widening (2007); Napa Valley Register: Jameson Canyon widening and Vallejo–American Canyon Vine Trail segment
- VINE Transit, SF Bay Ferry, Napa Valley Unified School District, USGS: South Napa earthquake, Napa County: transfer tax
Figures carry their dates where they appear, and we refresh market numbers every quarter. This is general information, not legal, tax or insurance advice; confirm the rules for a specific property with the agency named. Last reviewed October 2026 by Matthew Martinez.
Plan your next move
Share your preferred location, budget, property requirements and timing. We can help organize a focused search, arrange showings or discuss preparing a property for sale.
Local resource: City of American Canyon planning and zoning. Check official information for the address you are considering; area descriptions do not establish a property’s permitted uses.
