Bay Area Real Estate Data

Gale Ranch, San Ramon vs Walnut Creek

Gale Ranch, San Ramon carries an effective property tax rate of 1.35% of assessed value and Walnut Creek carries 1.08%, both for fiscal year 2025-26. On one identical reference loan the monthly carrying costs are $10,086 and $9,733 — $353 apart, with Walnut Creek lower. To Oakland City Center at AM peak the fastest published commutes are 45 min by BART from Gale Ranch, San Ramon and 27 min by BART from Walnut Creek. Every figure is an objective public metric or arithmetic on one, and names its source.

Gale Ranch, San Ramon (Contra Costa County) · Walnut Creek (Contra Costa County)

Side by side
Metric Gale Ranch, San Ramon Walnut Creek Difference
Median $/sqft (SFR)$700$800−$100
Effective tax rate1.35%1.08%+0.265%
Monthly cost, reference loan$10,086$9,733+$353
FiDi SF (Montgomery St BART) — BART65 min45 min+20 min
FiDi SF (Montgomery St BART) — Drive70 min55 min+15 min
Oakland City Center (12th St BART) — BART45 min27 min+18 min
Oakland City Center (12th St BART) — Drive45 min32 min+13 min
Sunnyvale / Mountain View (Sunnyvale Caltrain) — Drive50 min62 min−12 min

Difference is Gale Ranch, San Ramon minus Walnut Creek. Sources are cited on each submarket page.

On a matched $1,600,000 purchase the payment gap is $353, and it is entirely a tax gap: 1.35% in San Ramon (Gale Ranch), 1.08% in Walnut Creek. Price per foot, $700 against $800, is the second question.

Square footage per dollar

Walnut Creek comps run $650-$750 per square foot; downtown condos and Rossmoor run $500-$650. Against that, gale Ranch comps run $640-$720 per square foot, with three-car tandem garages common. The median foot costs $700 in San Ramon (Gale Ranch) against $800 in Walnut Creek; on a 2,000 sq ft house that is $200,000 of purchase price.

Carrying $1,600,000 in each

Holding the loan constant — $1,600,000, 20% down, 6.5% on a 30-year fixed, $2,400 of insurance, no HOA — San Ramon (Gale Ranch) totals $10,086 a month at 1.35% and Walnut Creek $9,733 at 1.08% — tax lines of $1,796 and $1,443. The San Ramon CFD pushes the all-in rate to 1.4-1.6 percent, with most districts running through the 2030s. Which district a Walnut Creek parcel falls in changes the fixed levy, so the bill has to be pulled.

Commute, measured

To FiDi SF (Montgomery St BART): 65 minutes by BART from San Ramon (Gale Ranch), 45 by BART from Walnut Creek — a 20-minute edge to Walnut Creek, or 3.3 hours across a ten-trip week. I-680 to 24 puts Gale Ranch 55 minutes from the Bay Bridge at 6 a.m., 95-110 at 8. Door to door from Northgate to FiDi is 55-65 minutes.

Hazard and insurance

Gale Ranch's eastern ridgeline lots backing open space are mapped moderate, with no non-renewals observed. The Walnut Creek flats near downtown and the Northgate valley floor are not WUI. Verify any parcel against the CAL FIRE Fire Hazard Severity Zone map, the FEMA Flood Map Service Center and the California Geological Survey seismic hazard zones before removing contingencies.

Which search this actually is

Gale Ranch only works with a $3K-plus CFD priced into the monthly payment. Walnut Creek fits a single-story four-bedroom requirement near a 30-minute BART ride.


Sources. Effective rates and carrying costs: Contra Costa TRA Book FY 2025-26; City of San Ramon CFD annual special tax reports; Contra Costa TRA Book FY 2025-26, composited in build/assets/metrics.json; TRA-level verification pending, so confirm the rate on the parcel's own bill. Commute times: door-to-door AM-peak estimates, data/commute/static.csv. Median price per foot is a trailing figure, not a valuation, and the local detail comes from the broker's own transactions.

Compare any two submarkets

MetricGale Ranch, San RamonWalnut Creek
Median $/sqft (SFR)$700$800
Effective tax rate1.35%1.08%
Monthly cost, reference loan$10,086$9,733
Fastest to FiDi SF (Montgomery St BART)65 min45 min
Fastest to Oakland City Center (12th St BART)45 min27 min
Fastest to Sunnyvale / Mountain View (Sunnyvale Caltrain)50 min62 min

Same reference loan on both sides; the tax line is the only variable. Commute figures are door-to-door AM-peak estimates. Sources are listed on each submarket page.

Gale Ranch, San Ramon detail

Property tax rate — FY 2025-26
ComponentRate of assessed value
Prop 13 general levy1.000%
County / city voter-approved bonds0.012%
School district measures0.055%
Mello-Roos / CFD assessment0.280%
Effective rate1.35%
Mello-Roos / CFD Yes

Source: Contra Costa TRA Book FY 2025-26; City of San Ramon CFD annual special tax reports (Contra Costa County), composited in build/assets/metrics.json. Tax Rate Area not yet verified parcel-by-parcel — confirm the rate on the parcel’s own tax bill.

FiDi SF (Montgomery St BART) — BART65Drive70Oakland City Center (12th St BART) — BART45Drive45Sunnyvale / Mountain View (Sunnyvale Caltrain) — Drive50
Gale Ranch, San Ramon door-to-door commute, AM peak, in minutes. Rail and ferry in blue, driving in grey. Source: data/commute/static.csv.

Walnut Creek detail

Property tax rate — FY 2025-26
ComponentRate of assessed value
Prop 13 general levy1.000%
County / city voter-approved bonds0.012%
School district measures0.070%
Effective rate1.08%
Mello-Roos / CFD None recorded

Source: Contra Costa TRA Book FY 2025-26 (Contra Costa County), composited in build/assets/metrics.json. Tax Rate Area not yet verified parcel-by-parcel — confirm the rate on the parcel’s own tax bill.

FiDi SF (Montgomery St BART) — BART45Drive55Oakland City Center (12th St BART) — BART27Drive32Sunnyvale / Mountain View (Sunnyvale Caltrain) — Drive62
Walnut Creek door-to-door commute, AM peak, in minutes. Rail and ferry in blue, driving in grey. Source: data/commute/static.csv.

Gale Ranch, San Ramon vs Walnut Creek: questions and answers

Which has the lower effective property tax rate, Gale Ranch, San Ramon or Walnut Creek?
Walnut Creek, at 1.08% of assessed value against 1.35% for fiscal year 2025-26 — a gap of 0.270%. Rates are composited from county tax rate books; each parcel bill governs.
How much do monthly carrying costs differ between Gale Ranch, San Ramon and Walnut Creek?
$353 per month on the identical reference loan: Gale Ranch, San Ramon $10,086, Walnut Creek $9,733. Walnut Creek is lower. Principal and interest are held constant, so the difference is the tax line. Arithmetic only.
Which has the shorter commute to Oakland City Center, Gale Ranch, San Ramon or Walnut Creek?
Walnut Creek. Gale Ranch, San Ramon is 45 min by BART; Walnut Creek is 27 min by BART. Door-to-door, AM peak. Source: data/commute/static.csv.
What is the price per square foot difference between Gale Ranch, San Ramon and Walnut Creek?
$100 per square foot: Gale Ranch, San Ramon $700, Walnut Creek $800. Single-family medians, trailing twelve months. A median is not a valuation of any specific property.

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