ADU Project Contractor Contracts: Payment Schedules and Milestones 73712
Accessory living gadgets seem small from the scale back, yet they are genuine creation initiatives below the skin: utilities, foundations, framing, inspections, exchange orders, and dozens of persons shifting in collection. The agreement you signal together with your ADU challenge contractor decides how that series gets paid for and who consists of which disadvantages. Get the payment agenda and milestones desirable, and your budget tracks your progress. Get them wrong, and it's essential be out of cash whereas waiting on drywall, or your contractor can be sporting constituents debt whilst a town inspection drags on.
I actually have controlled and reviewed ADU contracts starting from modest storage conversions to at least one,2 hundred-sq.-foot detached models with new utilities and sun. The styles are constant, and the pitfalls repeat. Below is the playbook I want each and every homeowner had formerly they search “ADU contractor near me,” elect an ADU builder from 3 quotes, and signal the 1st template put in front of them.
The agreement shapes the construct, now not simply the bill
When men and women ask a way to construct an ADU on my belongings with no headaches, I tell them to consciousness on two matters: scope definition and how money flows in opposition t growth. A crisp scope prevents “Oh, that wasn’t included.” A balanced price agenda prevents one party from financing the opposite’s part of the task.
An ADU wide-spread contractor moves fee fast. Permits and engineering are entrance-loaded charges. Excavation and basis deliver heavy subject matter and hard work early. Framing and tough-in hit next. Finish trades, when obvious, are normally a smaller slice than sitework and utilities. If your settlement plan is lower back-loaded, the ADU contractor floats expenses and may reduce corners or prioritize different jobs with bigger money go with the flow. If it truly is too the front-loaded, you raise the possibility of non-overall performance. The appropriate time table aligns bucks with milestones which can be objectively verifiable.
What a reliable milestone schedule appears like
A desirable accessory home unit builder will imply a milestone schedule that approximately suits the check curve. I want to see 8 to 12 checkpoints on a flooring-up detached ADU, fewer on a garage conversion. The main principle is discreet: pay for value in vicinity, no longer supplies. Each milestone ties to work it is easy to examine or files you can still grasp, like enables or signed inspection cards.
A hassle-free development for a indifferent unit:
- Preconstruction and permits: deposit, layout deliverables, let submission
- Groundwork: demolition and rough grading, trenching, utilities, foundation
- Structure: framing, roof dried-in, windows/doorways set
- Rough-in: mechanical, electrical, plumbing hard and related inspections
- Insulation and drywall: near-in
- Exterior: siding, exterior trim, stucco or paint
- Interior finishes: cabinets, tile, flooring, trim, fixtures
- Final: punch record, ultimate inspections, occupancy
The amounts can range by place and build kind, however a reasonable unfold may possibly birth with five to ten percent at agreement signing, then release 10 to 15 p.c chunks as milestones total, with 5 to 10 percentage retained unless closing completion and sign-off. If an ADU building firm asks for 30 % down without defined preconstruction deliverables, or wants so much of the dollars before inspections, question it. Rarely does that distribution align with exact hazard and fee.
Choosing the cost layout: constant rate, cost-plus, or hybrid
Fixed worth fits maximum home owners. You comply with a total value for a explained scope. The ADU specialists estimate hazards and construct them into the variety. Your price schedule steps by way of milestones, and amendment orders regulate the payment simplest when scope variations or unknown stipulations occur. The gain is predictability. The tradeoff is less transparency into the contractor’s costs, and you pay for threat they priced in, even though that danger doesn’t materialize.
Cost-plus shifts possibility to you however gives transparency. You pay direct rates plus a fee, veritably a percent or a set administration quantity. This can paintings in the event you favor excessive customization with a tradition ADU builder and be given that the remaining value is variable. It calls for discipline: weekly money stories, open books, and careful manage of allowances. A hybrid form units a set payment for well-known paintings and a money-plus manner for undefined resources, as an instance, ancient sewer lateral alternative in a conversion in which prerequisites are unknown. For ADU design and construct organizations, hybrids are elementary considering the fact that they possess equally design and production menace and might pivot as plans solidify.
For first-time ADU house owners, I most of the time advocate a fixed cost with effectively-outlined allowances and unit expenses for predictable unknowns, like rock excavation consistent with cubic backyard or subpanel enhancements at a collection fee. Cost-plus may well be honest when marketplace rates are risky, however handiest whenever you get line-item visibility and caps.
Deposits, mobilization, and preconstruction deliverables
You will see 3 early requests for check: a deposit to reserve scheduling, a layout price if the ADU contractor comprises structure and engineering, and a mobilization payment for lets in and venture setup. Tie each one one to deliverables.
A prudent shape is a modest deposit, ordinarilly 5 p.c., at signing to kick off design. That buys precise work: site degree, initial plan set, and code evaluation. The next fee must always hit when the ADU clothier near me can provide permit-organized drawings stamped by the engineer. Another fee can coincide with the enable utility submittal, enough to duvet urban costs if the contractor is fronting them. I actually have observed home owners write exams right away to the urban or software Palo Alto adu compliance regulations for expenditures. It continues accounting sparkling and eliminates any temptation to borrow from one venture to fund one more.
If your ADU challenge contractor requests 20 p.c beforehand a unmarried drawing is produced, ask for a breakdown. Good ADU building functions will exhibit a preconstruction agenda with dates, outputs, and the gate for the following charge.
Aligning milestones with inspections you do now not control
Inspection timing is the maximum user-friendly supply of friction. On paper, “pay upon rough-in inspection flow” sounds sparkling. In actuality, you'll fail the primary time by way of a element, or the inspector may not demonstrate for two days, or a software desires to approve the meter panel previously the construction inspector will sign. None of this forever fits within a neat fee calendar.
Solve it within the agreement. Write that fee is due upon reaching the milestone or upon sizeable crowning glory of the milestone paintings competent for inspection, with a holdback launched upon circulate. For illustration, liberate 80 p.c of the framing milestone while the construction is finished and sheathed, then the final 20 p.c. once the inspector indications. That split maintains the staff funded and preserves your leverage to get the inspection cleared.
ADU creation authorities who work towns weekly continually have a bead on inspection lead occasions. Ask for his or her native timeline and aspect it into dollars making plans. In busy jurisdictions, tough-in to insulation may span per week longer than was hoping.
Retention: the quiet software that protects the two sides
Retention is a small proportion you retain returned from every progress cost. Many states set defaults for public works at 5 percent. In residential work, 5 to ten p.c is commonly used. It serves two reasons. It motivates the ADU domicile builder to tackle punch list gadgets directly, and it presents you a cushion if somebody disappears. That observed, retention needs to be reasonable and now not crippling. Releasing half of the retention at great of completion, then the the rest at ultimate inspection and lien releases, continues things shifting.
I usually construction retention on interior finishes otherwise than on sitework when you consider that the ultimate 2 laws about adus in Palo Alto % of a challenge can drag out: paint contact-ups, door transformations, a missing bathe trim ring. If you unlock too much too soon, you can also wait weeks whilst the fantastic carpenter finishes a increased priority activity elsewhere. Retention maintains a small however significant incentive aligned along with your timeline.
Allowances and unit quotes: the antidote to “TBD”
An allowance is a placeholder budget inside a fixed-charge contract for one thing not but particular, like tile or pale furniture. Without allowances, your alternatives are to stall your agreement until each and every conclude is picked or to threat huge swings later. With them, you can sign and begin layout and permitting even though purchasing finishes. The secret's clarity.
A imprecise “equipment allowance: $4,000” is not powerful. A smart ADU structure company will list adaptation levels or a charge in step with object: diversity up to $1,two hundred, refrigerator as much as $1,600, washing machine/dryer up to $1,200. Same with ground: $four in step with square foot subject matter installed up to 600 sq. toes, transitions and base included. If you improve, you pay the change plus agreed markup. If you save, the credits must always go with the flow again. Insist at the markup cost in writing. Ten to 15 % is user-friendly on constituents for small residential paintings.
Unit quotes handle unknown subject conditions. If a sewer lateral needs replacement, the settlement can nation $a hundred sixty five consistent with linear foot for four-inch PVC to assets line, trench backfill, and pavement patch protected, or $300 consistent with cubic backyard for rock excavation if it is observed. These numbers dispose of the guesswork and stay away from arguing inside the dust.
Change orders: learn how to stay them infrequent and manageable
Even the most productive accent home unit builder can not see because of concrete or at the back of a fifty-12 months-ancient garage wall. Change orders come about. The trick is to define the task and fee them enormously. A precise swap order involves an outline, explanation why, cost breakdown, schedule influence, and your written approval formerly execution, except in emergencies affecting protection or climate defense. For ADU remodeling contractor projects like conversions, I like a quick lane for minor adjustments underneath a threshold, say $1,000, to avert schedule delays, however every little thing still hits the paper path.
Watch for “layout creep” written as field adjustments. If you improve to a 12-foot slider overdue in framing, that is simply not a hidden condition, it is a scope exchange. Expect proper quotes for reframing and a agenda hit for ordering. Good ADU consultants will provide you with a warning of downstream impacts. The exceptional time to make considerable judgements is throughout the time of layout, no longer after trusses arrive.
Lien releases and who gets paid if you pay
You do no longer wish to pay twice for the identical work seeing that a subcontractor or issuer data a lien. Protect yourself with conditional and unconditional lien releases tied to each one money. In many states, there are average types. A conditional unencumber upon growth payment is delivered with the invoice. Upon cleared payments, the ADU contractor presents unconditional releases from themselves and substantive subs and providers for the blanketed length.
Ask how the ADU installation companies supplier manages sub payments. Some owners choose joint checks to imperative trades like the electrician or roof repairer. That manner is clunky however valuable. A more streamlined route is to require facts of cost downstream until now your next milestone charge. Trust is sweet, verification is enhanced.
Insurance, bonding, and what occurs if a contractor disappears
Most residential ADU jobs should not bonded. That is favourite. But your ADU mission contractor needs to have everyday liability and employees’ repayment insurance. Ask for certificates that name you as added insured for the assignment cope with. If they recoil, reconsider. If you are hiring an ADU design and build corporation that subs all the things out, you would like to comprehend those subs are insured under the organization’s coverage or convey their personal. This matters if somebody will get hurt digging your trench.
A overall performance bond is rare for small ADUs and adds charge, but for bigger initiatives, say a 1,000-square-foot unit with full sitework and preserving walls, you can still speak it. More useful is staged repayments with retention and the behavior of by no means getting in advance of hooked up work. If an ADU contractor close to me closes their doorways halfway because of, your retained price range and unspent milestones are your defense net.
Permitting fees, application costs, and who fronts them
Permit and application costs vary wildly by city and software district. I have observed let totals range from just a few thousand cash for a clear-cut conversion to more than $20,000 for indifferent contraptions with influence prices. Utility enhancements for electrical service can run $3,000 to $7,000, every now and then much greater if trenching to a pole or transformer is required. Clarify inside the contract who pays these and when.
Many proprietors pay permit expenses immediately to the city and utility after the ADU clothier close me submits the application, with the contractor proposing a rate sheet as backup. That process avoids markups on move-because of rates and retains timing on your manipulate. If the ADU structure provider fronts those fees, the milestone tied to “let issued” should always reimburse them, with receipts attached.
Scheduling milestones with seasonal reality
Concrete pours in January are slower. Exterior paint in moist months may additionally push out. If you choose a fee time table that minimizes friction, recognize climate. Performance timelines can embody climate day allowances. Payment triggers can enable partial releases while climate-sensitive work is staged and able, with the steadiness upon final touch at a higher dry window. I actually have launched a component for roof dry-in hard work and ingredients added to the web site while a storm week hit, with pictures and a tarp plan connected. That is bigger than starving the group or risking a half of-built roof inside the rain.

Using a draw inspector or 0.33-get together verifier
For owners who dwell out of metropolis or sense out of depth, a draw inspector is an within your means means to confirm milestones formerly repayments. A retired superintendent or a structure supervisor can talk over with, take images, and confirm that “hard plumbing complete” will never be three stub-outs and a promise. On a $250,000 ADU, spending a couple of hundred money according to stopover at reduces rigidity for all of us. Some creditors require this for structure loans. Even with revenue tasks, it alerts to the ADU production experts that your strategy is equipped, now not hostile.
What the contractor demands from you to hold coins stream healthy
The superb ADU mavens hate chasing repayments greater than they hate rain days. You can lend a hand through environment one determination-maker, answering picks questions fast, and paying within the agreed timeline. Late bills ripple by way of the schedule: subs decline to mobilize, cloth deliveries slip, and your finishing touch date drifts. A settlement that states price inside 5 commercial days of milestone approval is affordable. Consider atmosphere one weekly standing call for updates and approvals so no person waits on a tap preference until the day ahead of tough-in.
Red flags in ADU cost schedules
Several patterns repeat within the horror stories I were often known as to unwind. If you notice these, slow down:
- Front-loaded deposit and mobilization totaling extra than 25 percent devoid of deliverables or metropolis receipts
- Vague milestones like “tough framing full” without a reference to inspection or dry-in
- No retention, or retention held best on the give up in preference to lightly throughout progress payments
- No allowances despite unfinished decisions, or allowances so low they strength a wave of expensive swap orders
- Refusal to furnish lien releases from subs or to disclose who the subs are
Two or three of these do no longer suggest malice, but they indicate inexperience or poor tactics. A seasoned ADU frequent contractor has smooth bureaucracy and does not take check until eventually paintings is performed.
How design and construct companies needs to constitution funds differently
When one firm owns structure, engineering, and development, they bring about more early quotes and coordination projects. A intelligent ADU design and construct schedule splits preconstruction into discrete deliverables: measured survey, schematic design, design advancement with decisions, engineering, allow submittal, and permit approval. Each unlocks a money. Construction then follows the prevalent milestone cadence.
Design time can balloon. To avert deciding to buy rounds of indecision, tie layout repayments to a limited quantity of revisions inside of scope, then hourly premiums past that. A marvelous accessory residence unit builder will offer you a decisions calendar so that you go with home windows, exterior finishes, and tile previously the framers need that statistics. That calendar is as primary because the charge calendar.
Financing and how creditors view milestones
If you are because of a structure mortgage or a residence fairness line to fund your ADU, the lender typically requires a budget broken into settlement codes and draw requests tied to accomplished paintings. Often the lender’s draw inspector would have to be sure growth previously price range launch. Align your contract milestones with the lender’s categories. If your bank will pay in basic terms after a phase is comprehensive, plan for the contractor to bridge a quick gap or so that they can boost and be reimbursed. Some ADU developers are mounted for lender draws; many small operators should not and want a clear roadmap.
Also watch loan timelines. If the lender takes seven to ten days to fund a draw after inspection, positioned that into your charge terms so the ADU contractor isn't very inadvertently floating two weeks of payroll.
Negotiating with no poisoning the relationship
Contracts set the ideas, yet initiatives are equipped with the aid of folks. Approach negotiation as mutual danger administration, now not battle. The ADU contractor wishes predictable revenue circulation. You want predictable beginning. Trade readability for confidence. For example, agree to liberate price for windows whilst the order is positioned and also you see the agency affirmation and deposit receipt, with the steadiness for that line when home windows are installed and flashed. Contractors like this given that window lead times may well be 8 to 12 weeks. You find it irresistible on the grounds that your fee is hooked up to a factual order wide variety and agenda.
Offer rapid approvals in replace for specific documentation. Share your excursion or work journey calendar so disbursements usually are not delayed due to the fact that you are off-grid. These small courtesies keep crews to your web site as opposed to anybody else’s.
Garage conversions and the unusual twists on milestones
Conversions behave in another way. Structure is existing, but surprises lurk: unpermitted work inside the ancient storage, sunken slabs that desire topping, termite smash in which framing meets concrete, and persistent panels that have been under no circumstances sized for an ADU. For these, I prefer milestones that isolate discovery early. After demolition and publicity, pause for a framing and slab evaluation milestone. Price the learned work as change orders opposed to unit expenditures where you'll be able to. Only then proceed into tough-in.
Payment for utilities might possibly be staged. You could unlock money when trenching and conduit are established and inspected, alternatively whilst the panel improve is scheduled with the application, then a remaining component when force is warm and inspected. That series retains momentum even when software scheduling takes longer.
The details that saves colossal headaches
Several clauses earn their hold on each ADU:
- Weather and power majeure: define what counts, how days are tracked, and how time table and repayments adjust
- Dispute solution: mediation first, then arbitration or courtroom, with venue special; small initiatives benefit from faster, much less formal paths
- Termination for rationale and convenience: what triggers it, medication periods, and how remaining money is calculated
- Warranty and punch listing: timelines for developing the listing, winding up it, and guarantee period through machine; many ADU authorities give three hundred and sixty five days on workmanship, longer on enterprise warranties
- Photography and site get entry to: whether the ADU builder would possibly photograph work for portfolio, and while which you can talk over with adequately without disrupting crews
These are not gotchas, they're limitations. When the two parties understand the regulations, the task breathes more straightforward.
A useful instance timeline with payments
Imagine a 750-square-foot indifferent ADU with a slab foundation, useful gable roof, and ordinary finishes. Total contract: $275,000, fastened value, with allowances for appliances and tile, and 5 % retention.
- five % at signing for design kickoff, paid upon receipt of schematic ground plan and code summary
- 5 percent at allow submittal with stamped structural drawings and electricity calcs, metropolis expense receipts provided
- 10 p.c. at permit issuance and mobilization, fencing and format on site
- 12 p.c. upon starting place comprehensive and inspected
- 12 p.c. upon framing, roof dried-in, home windows set
- 12 % upon difficult-in MEP comprehensive and inspections handed, eighty percent published at full-size of completion of hard-in, 20 percentage upon pass
- 10 percentage upon insulation and drywall hung and taped
- 8 p.c upon external conclude comprehensive and painted
- 12 % upon interior finishes installed: cabinets, counter tops, tile, doorways, trim
- 7 percent upon noticeable completion and punch listing issuance
- Retention: 2.five p.c launched upon punch checklist finishing touch, 2.5 percentage upon ultimate inspection, COO, and unconditional lien releases
This cadence will pay for paintings because it appears and retains a meaningful volume until eventually the final five percentage of initiatives are done.
How to decide upon an ADU contractor who welcomes fair milestones
Ask for references from tasks such as yours. Not just completely happy householders, however subs and providers. An ADU creation supplier that can pay on time has subs who return calls. Walk a modern activity if achievable. You can examine plenty from a website: clear staging, labeled substances, updated inspection cards, and a superintendent who understands what's coming tomorrow.
When you communicate phrases, be aware the response. ADU production consultants who are sure will give an explanation for their average schedule and adapt in which it makes sense. They will now not bristle at lien releases or documentation. They can have sample invoices and a decisions tracker. If a agency refuses most economical retention or can't prove a schedule of values for payment-plus, hold searching.
Final concepts from the field
Most ADU initiatives that pass sideways do not fail on craftsmanship. They fail on expectations and revenue timing. A truthful contract reduces that possibility via anchoring greenbacks to truly progress, by defining change order pathways, and by making every celebration’s tasks obvious. Treat your check schedule like a job agenda, because it truly is. It directs the drift of labor as if truth be told as the serious course on a Gantt chart.
Whether you lease a boutique custom ADU builder for a jewel-box garden cottage or a bigger ADU production firm for a standardized plan, the related ideas observe. Define milestones you would see and record. Set allowances that mirror your marketplace. Use retention wisely. Align with inspections with no letting bureaucracy cease the process. Pay rapidly for verified paintings. Get releases. Keep conversation weekly and undeniable.
Do this, and you give your ADU pros the runway to practice. More generally than no longer, you would move a tenant Palo Alto adu design styles or loved one into a smartly-outfitted unit at the date you envisioned, with a ultimate money you are completely happy to make.