
Build It. Sell It. Finance the Whole Strategy.
Short-term construction financing for builders and investors building on speculation — without a committed end buyer. Draw funds as you build, pay off at sale.
Up to 85%
Loan-to-Cost
12–24 Months
Loan Term
$100K – $5M
Loan Amounts
None
Prepayment Penalty
Overview
Construction Capital Without a Pre-Sold Buyer
A speculative — or 'spec' — construction loan funds the ground-up build of a residential property without a committed end buyer in place at the time of financing. Unlike a construction-to-permanent loan (where the owner-occupant converts to a long-term mortgage at completion), a spec loan is a short-term, interest-only facility that is repaid in full when the completed home sells.
At Lumen Mortgage, we work with licensed builders, small-scale developers, and sophisticated individual investors who build single-family homes or small infill projects to sell for profit. Approval is based on the project's feasibility — land value, construction budget, projected ARV (after-completion value), builder experience, and the local market — rather than on a buyer's long-term income profile. We structure draw schedules that match your build timeline, size the loan on whichever is lower of your cost basis or the completed appraised value, and move quickly so you don't lose your lot.
Loan amounts run from $100,000 to $5,000,000 on 1–4 unit projects, with 5–9 unit builds considered at higher minimums. Terms are 12 to 24 months, fixed and interest-only, with no prepayment penalty — if the house sells in month nine of an 18-month term, you pay it off and walk away with no penalty. Title is held in an LLC or other entity with a personal guaranty, and the loan is business purpose, secured by non-owner-occupied property.
Who This Is For
Builder Experience Is a Qualification Factor
Spec construction underwriting looks beyond credit scores and income. Your track record as a builder sets your leverage, and the difference is substantial: builders with three or more completed ground-up projects in the last three years qualify for up to 85% of cost, while a first ground-up build sizes closer to 65% — roughly double the cash into the deal on the same project. If you're newer to spec building, the most effective fix is adding a co-guarantor with a documented recent build history. The experience doesn't have to be yours. A well-documented general contractor with a strong completed-project list also strengthens the file. We'll structure a deal that works for your current profile and grows with your experience.
Key Features
What Makes This Program Work
Lot + Construction in One Loan
Finance both the land acquisition and the full cost of construction under a single loan — no need to source separate lot financing first.
Draw-Based Funding
Funds are disbursed in staged draws tied to construction milestones and third-party inspections — you pay interest only on what has been drawn, not the full commitment.
12–24 Month Terms
Short-term loan periods aligned to realistic build timelines, with extension options if the project or market requires more time. Ask for the longer term up front on any project with a permitting runway ahead of it — extensions cost more than the extra months.
Dual-Test Loan Sizing
Loan amount is the lesser of a percentage of your total project cost or a percentage of the projected after-completion value. On most spec deals cost is the binding test; ARV becomes the constraint when the appraisal comes in soft.
Fast Approval & Draw Processing
Speed matters in construction. We prioritize fast initial approval and rapid draw inspections so your builder isn't sitting idle waiting for funds.
Builder Experience Matters
Approval takes your builder's track record into account — prior completed projects, contractor licensing, and project management depth all strengthen your profile.
No Prepayment Penalty
Sell whenever the market lets you. There's no penalty for paying the loan off early, so a fast sale is pure upside rather than a fee event.
Qualifying
Leverage by Builder Experience
| Ground-up builds completed, last 3 years | Max Loan-to-Cost | Max Loan-to-ARV | Required budget contingency |
|---|---|---|---|
| 3 or more | 85% | 75% | 5% |
| 1 – 2 | 80% | 70% | 5% |
| None | 65% | 55% | 10% |
Maximums assume a 720+ guarantor credit score. Lower scores reduce leverage further. Loan is sized on the lesser of loan-to-cost or loan-to-ARV.
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The Process
How It Works
Project Feasibility Review
Share your lot details, construction plans, cost breakdown, and comparable sales. We'll evaluate ARV, LTC, and your builder profile to structure the loan.
Application & Appraisal
We order a 'subject to completion' appraisal based on your plans and local comps. This ARV drives the loan amount and sets your draw structure.
Approval & Loan Closing
Once approved, we close on the land and open the construction loan. Your builder receives the initial draw and breaks ground. If you already own the lot, we close as a delayed purchase and reimburse you for the land at funding.
Draw Inspections
At each milestone — foundation, framing, rough mechanicals, drywall, finish, final — a third-party inspector verifies completion before releasing the next draw.
Certificate of Occupancy & Sale
When the CO is issued, your home is ready to list. We confirm the final draw, and the loan is repaid in full at your closing.
Requirements
General Qualifications
Ready to See If You Qualify?
Every borrower's situation is unique. Give us 15 minutes and we'll review your financial picture, identify every program you qualify for, and walk you through your options — at no cost and with no obligation.
Licensed in Oregon & California · NMLS #1498678
This program is for business-purpose loans secured by non-owner-occupied residential property and is not available for consumer, personal, family, or household purposes. Loan amounts, leverage, and terms shown are program maximums; actual terms depend on guarantor experience, credit, collateral, budget, and appraised value, and are subject to investor approval and final underwriting. Not a commitment to lend. Programs and pricing subject to change without notice.
Related Programs
Construction Loans
Building your own custom home to live in? Our construction-to-permanent loan covers the build phase and converts to a long-term mortgage at completion.
Investor Loans
Looking for fix-and-flip bridge financing or DSCR rental loans alongside your spec builds? Our full investor lending suite covers every strategy.
Bridge Loans
Need short-term capital to acquire a lot or bridge to your next project while a sale is pending? Bridge financing moves fast.
Hard Money Loans
Need to move faster than a full construction file allows, or financing a project outside standard guidelines? Asset-based lending closes on collateral and speed.
Interactive Tool
Construction Loan Calculator (Construction-to-Permanent)
Model land value, build budget, draw schedule, and interest carrying costs during construction — then compare against the permanent loan or exit strategy.
Note: this tool models a construction-to-permanent loan, which converts to a 30-year mortgage — best for owner-occupied scenarios. A spec loan is repaid in full at sale, so the permanent payment, LTV gauge, and 30-year totals below don't apply to a true spec deal. A dedicated spec calculator that outputs total cash required and net profit at sale is on the way.
Construction Loan Calculator
Land · Build · Permanent Financing
Project Costs
Purchase price or land value
Hard + soft build costs
Total Cost
$750,000
Down Payment
$150,000
Loan Amount
$600,000
Construction Phase
Construction Rate
Avg. Interest
during build
$1,828/mo
Permanent Mortgage
Permanent Rate
Permanent P&I
$3,597
30-yr fixed · 5.999%
Loan Amount
$600,000
Total Payments
$1,294,890
Taxes & Insurance
Property Tax
~$688/mo
Home Insurance
monthly premium
LTV
80.0%
Cash to Close
Closing costs are estimated. Contingency is held in a lender-controlled draw account and financed into your construction loan — not paid separately at closing.
Estimates only. Actual closing costs vary. Contact Lumen Mortgage for a formal construction loan analysis. NMLS #1498678.
FAQ
Common Questions
From the Blog
Further Reading
InvestmentSpec Construction Loans in Oregon & California: Strategy, Qualification, and the Profit Calculus in 2026
Building on speculation is one of the highest-leverage plays in residential real estate — and one of the most misunderstood. Here is a ground-level look at how spec construction loans work, what lenders actually underwrite, and why the Oregon and California markets still reward disciplined builders.
Bridge Loans: Buy Your Next Home Before Selling Your Current One
In a competitive market, waiting to sell before you buy can cost you the home you want. A bridge loan lets you make a non-contingent offer using your existing equity — here's how it works.
DSCR Loans Explained: How Real Estate Investors Qualify Without Tax Returns
If you're a real estate investor with strong rental income but complex taxes, a DSCR loan might be your best financing option. Here's exactly how they work and who they're designed for.
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Our loan officers will review your scenario, walk you through your options, and guide you from application to close — with full transparency at every step.