Our guide equips you with knowledge. Our services do the work. Every engagement is backed by 15+ years of California ADU expertise and governed by the same biblical standard: excellence as an act of worship, honesty as a non-negotiable, and service as a calling.
"Whatever you do, work at it with all your heart, as working for the Lord, not for human masters."
— Colossians 3:23Not ready for full-service construction? Get direct access to Al Cruse and the Cornerstone Capital team — session by session, phase by phase, or hour by hour.
Includes live session (Zoom or phone) and follow-up summary notes.
Book a Single Session →Great ADU design balances aesthetics, function, California code requirements, and your family's unique needs. Our in-house design team focuses exclusively on residential ADU design across California.
We believe good design is an act of stewardship. The space we create will house a person, a family, a parent, or a renter for decades. We take that responsibility seriously and approach every design with prayer, care, and a commitment to excellence that reflects our values.
"By wisdom a house is built, and through understanding it is established." — Proverbs 24:3
"He has filled them with skill to do all kinds of work as engravers, designers, embroiderers... and weavers — all of them skilled workers and designers."— Exodus 35:35
Our permitting team is led by a former city planner with deep inside knowledge of California jurisdictions. We've filed permits in 30+ cities and counties — and we've never failed to get an approval.
Most permit delays and denials stem from incomplete submittals, missed nuances in local code, or poor communication with city planners. We eliminate all three. Our team handles every step — and we communicate transparently throughout, because we believe you deserve to know exactly what's happening with your project.
"Let your 'Yes' be 'Yes' and your 'No' be 'No.'" — Matthew 5:37. We never overpromise on timelines, and we never hide setbacks. That's our covenant with every client.
"Let everyone be subject to the governing authorities, for there is no authority except that which God has established."— Romans 13:1
Our licensed crews self-perform structural and finish work, ensuring quality control from slab to certificate of occupancy. We build as though we'll be living next door — because our reputation and our integrity demand nothing less.
Construction is where many homeowners get burned — cost overruns, poor-quality work, disappearing contractors. We exist to be the antidote to that. Our fixed-price contracts mean what they say. Our milestone-tracking means you always know where your money is and what's been accomplished.
We approach construction the way Bezalel approached the Tabernacle — with skill, dedication, and the conviction that this work matters to God (Exodus 31:3–5).
"Commit your work to the Lord, and your plans will be established."— Proverbs 16:3
A wise person counts the cost before building — and our Land Use Consulting service is your blueprint for doing exactly that. We analyze your specific parcel and deliver a written feasibility report so you can make informed, confident decisions.
We cover recent law changes (AB 68, SB 9, AB 2221) that have dramatically expanded ADU rights across California — rights many homeowners don't even know they have. We believe you deserve complete information, presented honestly, with no hidden agenda.
Jesus said: "Suppose one of you wants to build a tower. Won't you first sit down and estimate the cost?" (Luke 14:28). Our feasibility service is that first step.
"Plans fail for lack of counsel, but with many advisers they succeed."— Proverbs 15:22
A dedicated project manager is your single point of contact from day one to final inspection. We coordinate all trades, manage schedules, and keep you fully informed at every milestone — no chasing contractors, no mystery charges.
True stewardship means managing resources — time, money, and people — with skill and transparency. Our project managers are trained to hold every subcontractor to the same faith-driven standard we hold ourselves to: do what you say, say what you do, and take responsibility when things don't go as planned.
"Be sure you know the condition of your flocks, give careful attention to your herds." — Proverbs 27:23. We watch over your project the same way.
"The plans of the diligent lead to profit as surely as haste leads to poverty."— Proverbs 21:5
As your licensed General Contractor, Cornerstone Capital holds the license, carries the insurance, and takes full legal responsibility for your project. From the first nail to the final inspection certificate — you're covered.
This is where our commitment to integrity becomes concrete and legally binding. A formal, AIA-style contract. Insured subcontractors with verified credentials. Lien releases at every milestone. A comprehensive warranty. No handshake deals, no ambiguous agreements.
"Let your word be your bond." Our GC contracts are the written embodiment of the integrity God calls us to — detailed, fair, and fully transparent.
"Honest scales and balances belong to the Lord; all the weights in the bag are of His making."— Proverbs 16:11
Because you deserve to know the full picture before committing — and because our faith demands nothing less. All pricing includes design, permitting, and construction. A detailed fixed-price proposal follows your property assessment.
All pricing includes design, permitting, and construction. Figures are estimates pending property assessment.
A detailed fixed-price proposal is provided following a full site evaluation.