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San Mateo's tight housing inventory makes custom builds increasingly attractive. Tearing down and rebuilding lets you get the location you want without settling for outdated layouts.
Construction financing has gotten more flexible as lenders anticipate rate cuts later this year. That means better terms for borrowers ready to break ground now.
Most San Mateo construction projects run $500K to $2M depending on lot size and finishes. Lenders structure these as interest-only during construction, converting to permanent financing at completion.
Lenders want 680+ credit and 20-25% down for construction loans. They're stricter than purchase loans because they're funding something that doesn't exist yet.
You need detailed builder contracts, architectural plans, and a realistic timeline. Lenders also verify your builder has proper licensing and insurance.
Most require 6-12 months reserves beyond your down payment. They want proof you can cover cost overruns and payments if the project runs long.
Only about 30% of lenders in our network handle construction loans. The ones that do specialize in it and know how to structure draws properly.
Local credit unions sometimes offer better rates but slower processing. National lenders move faster but charge more for the convenience.
We're seeing single-close construction loans gain traction. You lock your permanent rate upfront instead of refinancing when construction finishes.
San Mateo permits take 6-9 months minimum. Factor that into your timeline because lenders won't fund until permits are approved.
Most builders here are booked 3-6 months out. Lock your lender and builder simultaneously or you'll end up waiting on one while paying the other.
Budget 15-20% above your builder's estimate for overruns. Every project in this market hits unexpected costs, especially with older lot teardowns.
Bridge loans work if you need to buy the lot first and aren't ready to build. They're short-term and convert to construction loans when you have plans ready.
Hard money makes sense for quick lot purchases or if your credit is under 680. Rates run 9-12% but you refinance into construction financing within months.
Jumbo construction loans apply when your total project exceeds conforming limits. In San Mateo that's most custom builds given lot costs plus construction.
San Mateo's R1 zoning limits what you can build. Lenders verify your plans comply before approving loans because non-conforming projects kill resale value.
Hillside lots require geological reports and extra engineering. Budget $15K-$30K for those studies and expect lenders to review them closely.
Most construction here happens in Baywood, Aragon, and the Highlands. Lenders know these areas and what projects pencil out there.
Plan on 45-60 days once you have complete plans and builder contracts. Lenders need time to verify everything because they're funding based on future value.
Most lenders require a licensed general contractor with verifiable track record. Owner-builder programs exist but require construction experience and higher down payments.
You pay overruns out of pocket before lenders release final draws. That's why reserves matter and why you should budget 15-20% above estimates.
Construction phase rates run 0.5-1% higher than permanent mortgages. Your permanent rate gets set either upfront with single-close or at conversion with two-close loans.
Lenders inspect progress at milestones like foundation, framing, and rough-in. They release funds after each inspection confirms work matches the draw schedule.
Yes, but you'll carry both housing payments once construction starts. Lenders count both obligations in debt ratios, so you need income to support dual payments.
Construction Loans in San Mateo