425 Seward St, Lyons, CO 80540 Property Records

Boulder County property record for 425 Seward St, Lyons, CO 80540

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,392 sqft · built 1890
Lot Size	0.241 acres (10,513 sqft)
Owner	2 Individual Names on Record
Last Sale	$372,000 (Aug 2007)
Tax Bill	$7,763 (2025)
Deeds & Mortgages	Apr 2021 Line of Credit Mar 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1203-18-1-08-005`

Property Details

APN / Parcel Number

Primary APN	`1203-18-1-08-005`
Alternative APNs	`R0050396` `0050396`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,392 sqft Living Area
Gross Area	2,572 sqft
1st Floor Area	1,522 sqft
Upper Floors Area	870 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1890
Effective Year Built	Effective 2005
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Lot Area	10,513 sqft (0.241 acres)
Garage Type	Detached
Garage Area	484 sqft
Parking Spaces	2 Parking Spaces
Porch	Enclosed Porch
Porch Area	180 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0050396
Street Address	425 SEWARD ST
City	LYONS
State	CO
Zip	80540-5046
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 9 BLK 1 NORTONVILLE
Legal Range	70
Legal Township	3N
Legal Section	18
Legal Subdivision	NORTONVILLE - LY
Legal Block	1
Legal Lot Number	9
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	3
Census Block	3001
Census Tract	13601

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Lyons Sandstone Buildings listed 1980 · 13 contributing resources · NRIS 80000880

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Boulder County records, as of June 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	PO BOX 296, LYONS, CO 80540-0296
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Apr 26, 2021	Deed of Trust, Mortgage · Line of Credit UMB BANK NA
Mar 3, 2021	Deed of Trust, Mortgage · Conventional Mortgage LAKEVIEW LOAN SERVICING LLC
Jan 19, 2018	Deed of Trust, Mortgage · Conventional Mortgage BETTER MORTGAGE CORPORATION
Dec 2, 2019	Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 7, 2007 · Amount on Record
Deed Sale	Aug 7, 2007 · Amount on Record
Prior Sale	Aug 31, 2004 · Amount on Record
Deed Document Number	20072874425
Record Updated	Sep 20, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	425 SEWARD ST, LYONS, CO 80540-5046
Transaction Type	Mortgage
Record Updated	May 12, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003879582
Date	Apr 26, 2021
Instrument	3879582

Lender

Name	UMB BANK NA
Type	Bank
Address	DENVER, CO 80207

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	425 SEWARD ST, LYONS, CO 80540-5046
Transaction Type	Mortgage
Record Updated	Mar 10, 2021
Title Company	CANTON TITLE, CANYON TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003864238
Date	Mar 3, 2021
Instrument	3864238

Lender

Name	LAKEVIEW LOAN SERVICING LLC
Type	Mortgage Company
Address	MIAMI, FL 33146

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	169 Months
Due	Apr 1, 2035

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	425 SEWARD ST, LYONS, CO 80540-5046
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003636899
Date	Jan 19, 2018
Instrument	3636899

Lender

Name	BETTER MORTGAGE CORPORATION
Type	Subprime Lender
Address	NEW YORK, NY 10013

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Feb 1, 2038

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	425 SEWARD ST, LYONS, CO 80540-5046
Document Number	0003760919
Instrument Date	Dec 2, 2019
Transaction Type	Mortgage
Record Updated	Feb 5, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	PO BOX 296 LYONS CO 805400296, LYONS, CO 80540-0296

Mortgage

Document Number	0003760919
Date	Jan 16, 2020
Instrument	3760919

Lender

Name	BANK OF THE WEST
Type	Bank
Address	OMAHA, NE 68164

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jan 15, 2050

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Lyons Town
Unified School District	St. Vrain Valley School District RE 1J (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$62,077 (+8.8%) Land $5,372 Building $56,705	$912,900 (-) Land $79,000 Building $833,900
2025	$7,763.00 (+0.48%)	$57,057 (-17.95%) Land $4,938 Building $52,119	$912,900 (-12.04%) Land $79,000 Building $833,900
2023	$7,726.00 (+24.98%)	$69,540 (+38.68%) Land $4,583 Building $64,957	$1,037,900 (+43.85%) Land $68,400 Building $969,500
2022	$6,182.00	$50,144 Land $4,198 Building $45,946	$721,500 Land $60,400 Building $661,100

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 38 policies
Nearby Flood Policies	38 in force
Nearby Flood Claims	62 (1978–2013)
Claims Outside the SFHA	4 of 62
Most Recent Claim	Dec 2013 · other causes
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 47 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	High above 75% of the US · above 73% of Colorado
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	TOWN OF LYONS serves 2,990 people · EPA ID CO0107496
Water Source	Purchased surface water from CITY OF LONGMONT
Last State Inspection	Nov 2022
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 177 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Lyons Communications Fiber · Cable · Fixed Wireless	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Rise Broadband.

Nearby Properties on Seward St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures