Tag: adu cost
All the articles with the tag "adu cost".
Campbell ADU Fees 2026: Silicon Valley's $5.40 School Fee
An 800 sq ft detached ADU in Campbell priced phase by phase — about $318,000. The series-high $5.40/sq ft school fee (two districts, one parcel), valuation-based permits, and West Valley Sanitation's per-fixture-unit sewer math.
Sewer, Water, Power: ADU Utility Bills
Capacity charges, connection fees, panel upgrades — the $0 to $10,000 range nobody puts in the quote. Why sewer is the most volatile ADU line.
10 Lines Missing From Every ADU Quote
A contractor's 'all-in' quote rarely includes government, tax, or reserve lines. Ten lines after signing, with ranges from verified California fee ledgers.
Pasadena ADU Fees 2026: $2.24 School Fees and City-Designed Free Plans
An 800 sq ft detached ADU in Pasadena priced phase by phase — about $310,000. The series-low $2.24/sq ft school fee, a proportional impact fee tied to your main house, and a city-run pre-approved plan program with published permit estimates.
Will an ADU Raise My Property Tax? (Prop 13, Explained)
Building an ADU triggers a property tax reassessment — but only on the new construction, not your whole house. How Prop 13's new-construction rule works, what the assessor actually adds, and why your original tax basis stays protected.
California ADU Laws Changing January 1, 2027: Two Rewrite Your Fees, One Rewrites Your Power Hookup
AB 956 doubles detached ADUs, SB 1117 collapses impact fees to a 50 sq ft basis, and SB 1196 targets utility energization delays. What each law actually does.
San Bernardino ADU Fees 2026: The Clearest 750 Sq Ft Cliff in California Code
An 800 sq ft detached ADU in San Bernardino priced phase by phase — $316,000*. The city with the clearest 750 sq ft cliff in California code: §19.04.030 spells out the pro-rata impact-fee formula in plain ordinance language. School fees confirmed at $4,304; the building permit schedule and water/sewer dollar figures are not published.
JADU vs ADU vs Garage Conversion: The Cheapest Way to Add a Unit
Three ways to add a housing unit in California, compared side by side: detached ADU ($320,000), garage conversion ($190,000), and JADU (no published total — but nearly every fee is $0). Cost, timeline, rental income, and constraints in one decision table.
400 sq ft ADU Cost in California: Why Smaller Is Not Cheaper (2026)
Updated:We modeled a 400 sq ft detached ADU in Los Angeles County. Total: $215,000 — or $538 per square foot. Here is every phase, why fixed costs dominate, and when 400 still makes sense.
The 750 Sq Ft Cliff, Explained: Why 50 Square Feet Can Cost $10,000
Updated:California's most expensive 50 square feet: build an ADU at 749 sq ft and pay $0 in impact fees; build at 800 and owe thousands. How the 750 sq ft cliff works, with real numbers from Glendale, Sacramento, Torrance, Palo Alto, and Fontana — and what SB 1117 changes on Jan 1, 2027.
800 sq ft ADU Cost in California: A Full 2026 Line-Item Breakdown
Updated:We modeled an 800 sq ft detached ADU in Los Angeles County and priced every phase. Total: $320,000. Here is where each dollar goes and why smaller is not cheaper.
The $32,000 Line Item Nobody Quotes: ADU Contingency
Contractor bids never include contingency — but 10–15% ($32,000–$48,000 on a $320,000 ADU) is the industry standard reserve held by the owner. What it covers, what it doesn't, and how to size it.
ADU Cost Per Square Foot in California: Why the Number Misleads (and When It Helps)
An 800 sq ft ADU at $400 per foot looks cheaper than a 400 sq ft ADU at $538 — until you see which costs don't scale. How per-square-foot math works, where it breaks, and the fee lines actually priced per foot.
ADU School Fees, Explained: Level 1, Level 2, and the 500 Sq Ft Exemption
Updated:Why school district fees on the same 800 sq ft ADU range from $1,792 to $4,304 across California — who sets the rate, what Level 1 vs Level 2 means, why 500 sq ft is the magic number, and the 13-city data from our fee series.
Bay Area ADU Fees Ranked: Oakland vs San Francisco vs Palo Alto vs San Jose
Updated:The same 800 sq ft ADU, four Bay Area fee philosophies: Palo Alto ~$303,000 (corrected), Oakland $322,000, San Francisco $325,000, San Jose ~$400,000. Why the 'expensive Bay Area' assumption falls apart once you read the fee schedules — and where the 750 sq ft cliff bites hardest.
California ADU Impact Fees, Explained: What They Are, Which Cities Charge Them, and the 750 Sq Ft Rule
Impact fees are the most misunderstood ADU line: $0 at 750 sq ft or less, prorated above it, and narrowed to the area above 750 for a homeowner's first two ADUs in 2027. What counts, what doesn't, and what real cities charge.
Garage Conversion ADU Cost in California: Full 2026 Line-Item Breakdown
Updated:We modeled a typical 2-car garage conversion ADU in Los Angeles County (~450 sq ft living). Total: $190,000. See which phases shrink vs a new detached build — and which grow.
The $2,528 School Fee Gap: Pasadena ($2.24) vs Campbell ($5.40)
Updated:Same 800 sq ft ADU, $2,528 difference in school fees — from school district boundaries alone. Pasadena Unified charges $2.24/sq ft; Campbell's two districts total $5.40/sq ft. Why the rate varies and who sets it.
The $59,854 Square Foot: 5 American Cities Where ADU Fees Break the Chart
Updated:From a $59,854 one-square-foot fee cliff in Maryland to a $60 building permit in Wyoming — the five wildest ADU government-fee findings from our 148-city national dataset. Every figure from an official source.
Chula Vista ADU Fees 2026: The Flat-Rate Permit Experiment
An 800 sq ft detached ADU in Chula Vista priced phase by phase — $308,000. The series standout for permit pricing transparency: a flat $3,951 ADU permit (no valuation math), 12 pre-approved SnapADU plans, and a DIF that scales proportionally to the primary residence. The school-fee split is half confirmed.
Oceanside ADU Fees 2026: The Ordinance Says $0 — the Draft Study Disagrees
An 800 sq ft detached ADU in Oceanside priced phase by phase — about $313,000. The zoning ordinance says the city 'shall not impose any impact fees upon the development of an ADU or JADU,' but a 2025 park DIF nexus draft (not adopted) would charge 800 sq ft ADUs up to $6.03/sq ft. Five items are awaiting confirmation from the city.
Valuation vs Flat vs Per-Sq-Ft: How Cities Actually Price Your ADU Permit
Three permit pricing models across California cities — valuation-based (Pasadena, Campbell), flat-fee (Fontana $3,195, Chula Vista $3,951), and per-square-foot (Oceanside ~$7,541). How to read any fee schedule before you apply.
Lakewood ADU Fees 2026: Your School Fee Depends on Your Street
Lakewood spans four school districts: the same 800 sq ft ADU owes $2,376, $3,832, or $4,304 in school fees by parcel. Full phase-by-phase cost breakdown.
Salinas ADU Fees 2026: The First City With Zero Impact Fees
Salinas charges $0 in development and traffic impact fees on ADUs — at any size. The 750 sq ft cliff doesn't apply because there's no cliff to fall off. An 800 sq ft detached ADU priced phase by phase, with the valuation-based $6,226 permit and four pre-approved plan sets drawn just under 750.
Santa Rosa ADU Cost 2026: $320,000, Fire-Era Discount
800 sq ft ADU in Santa Rosa: ~$320,000. 25% impact-fee cut; water/sewer $8,230 exceeds DIF.
Fontana ADU Fees 2026: $20,563 in Impact Fees — and a 738 Sq Ft Loophole
Fontana charges $20,563 per new single-family home in development impact fees — among the heaviest in our series — but its own free 738 sq ft ADU plan slips under the 750 sq ft cliff and pays $0. An 800 sq ft detached ADU priced phase by phase, with the city's flat $3,195 permit and the state's maximum $5.38 school fee.
Laguna Beach ADU Cost 2026: $314,000, No Coastal Premium
800 sq ft ADU in Laguna Beach: ~$314,000. No impact fees, $215/100 sq ft sewer, $2.05 school fee.
Santa Barbara ADU Cost 2026: $327,000, Priciest Permit
800 sq ft detached ADU in Santa Barbara: ~$327,000 total. Permit + plan check ~$22,566 — the series high. No city impact fees. Phase-by-phase breakdown.
Encinitas ADU Cost 2026: $322,000 and a $20,663 Cliff
800 sq ft detached ADU in Encinitas: ~$322,000 total. A 749 sq ft ADU pays $0 DIF; a 750 sq ft ADU pays $20,663. Phase-by-phase breakdown.
Riverside ADU Cost 2026: $309,000, Cheapest Permit
800 sq ft detached ADU in Riverside: $309,000 total, $1,006 permit (series low). Phase-by-phase breakdown.