ADU construction in Pocket-Greenhaven, Sacramento County
Pocket-Greenhaven property owners looking at an ADU usually start with the same question — what will it actually cost, and how long will Sacramento County Planning & Environmental Review take? As a veteran-owned specialist builder, A1 keeps design, permitting and construction on one team so nothing gets lost between trades. Budget for $150K – $320K all-in in Pocket-Greenhaven; with a median home value around $580,000, the added value typically lands near 20–35%. The first site visit exists to price the unknowns — Sacramento Municipal Utility District (SMUD) service upgrades and Sacramento-area sewer connection fees are the two line items that most often move a Pocket-Greenhaven budget..
Typical all-in cost: $150K – $320K
Detached ADUs are capped at 1,200 sq ft; attached units at 50% of the primary home
Rental-Ready Builds — separate address, separate metering and durable finishes for Pocket-Greenhaven long-term rentals · Multigenerational Suites — accessible, single-level layouts for parents or adult children · Home Additions — bedroom, bath and primary-suite additions for Pocket-Greenhaven homeowners who want space without a second unit
Neighborhoods served: Sacramento, Pocket-Greenhaven core, Surrounding Sacramento County properties
Typical property value increase: 20–35%
How we deliver Pocket-Greenhaven Garage Conversion & ADU Builder
Every project runs through the same five-stage process, so you know what happens next and what it costs before construction starts. We handle design, engineering, jurisdictional plan check and construction under one contract, which keeps the schedule and the budget with a single accountable team.
Stage 1 — Site walk and feasibility: setbacks, utilities, easements and lot coverage reviewed on site
Stage 2 — Fixed-scope proposal: line-item pricing with permits, utility connections and finishes included
Stage 3 — Design and engineering: architectural plans, Title 24 energy calcs and structural engineering
Stage 4 — Permitting and plan check: submittal, corrections and approvals handled by our office
Stage 5 — Construction and closeout: weekly updates, final inspection, certificate of occupancy and warranty
Common questions about Pocket-Greenhaven Garage Conversion & ADU Builder
The three questions homeowners ask most, answered plainly. Pricing reflects 2026 Sacramento-region construction costs including permits, utility connections and standard finishes.
How much does an ADU cost? Most detached ADUs land between $135,000 and $255,000 all-in, depending on size and site conditions.
How long does it take? Design and permitting typically run 3–5 months; construction runs 4–7 months after permits are issued.
Do you handle permits? Yes — plan check submittal, corrections and inspections are managed in house at no extra hourly cost.
Can I rent it out? California state law allows ADUs to be rented at 30-day-plus terms in every jurisdiction we build in.
A1 Building Contractors LLC is a veteran-owned, CSLB-licensed general contractor based in Roseville, CA. We design, permit and build ADUs, garage conversions, home additions and custom homes across the Sacramento region, with transparent line-item pricing and a single point of contact from first site walk to final inspection.
CSLB #1094366 General Contractor · DRE #00898265 Broker
Serving Sacramento, Placer, El Dorado, Yolo and Sutter counties
In-house design, permitting, plan check and construction
4010 Foothills Blvd Ste 103-155, Roseville, CA 95747