333 Seward St, Lyons, CO 80540 Property Records

Boulder County property record for 333 Seward St, Lyons, CO 80540

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.75 ba · 1,800 sqft · built 1903
Lot Size	0.119 acres (5,166 sqft)
Owner	Company Name on Record
Last Sale	$285,000 (Aug 2011)
Tax Bill	$4,475 (2025)
Deeds & Mortgages	Mar 2022 Transfer Jul 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`1203-18-1-09-004`

Property Details

APN / Parcel Number

Primary APN	`1203-18-1-09-004`
Alternative APNs	`R0050100` `0050100`

Interior

Bedrooms	2 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,800 sqft Living Area
1st Floor Area	1,160 sqft
Basement Area	640 sqft
Finished Basement	640 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1903
Effective Year Built	Effective 1982
Architectural Style	Ranch
Exterior Material	Asbestos
Construction Type	Frame
Lot Area	5,166 sqft (0.119 acres)
Garage Type	Detached
Garage Area	396 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	318 sqft
Deck Area	200 sqft

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0050100
Street Address	333 SEWARD ST
City	LYONS
State	CO
Zip	80540
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	E 1/2 LOT 11 BLK 2 NORTONVILLE
Legal Range	70
Legal Township	3N
Legal Section	18
Legal Subdivision	NORTONVILLE - LY
Legal Block	2
Legal Lot Number	11
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	3
Census Block	3000
Census Tract	13601

Owner

Source: Boulder County records, as of September 18, 2026

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

Owner of Record	Company Name on Record
Mailing Address	PO BOX 1974, LYONS, CO 80540-1974
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 31, 2022	Quit Claim Deed, Transfer Quitclaim
Jul 10, 2019	Deed of Trust, Mortgage · Line of Credit BELLCO CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 16, 2011 · Amount on Record
Deed Sale	Aug 16, 2011 · Amount on Record
Prior Sale	Oct 14, 1946
Deed Document Number	20113165458
Last Transfer Date	Mar 28, 2022
Transfer Doc	0003954033
Record Updated	Oct 29, 2026

March 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 31, 2022
Property Address	333 SEWARD ST, LYONS, CO 80540
Document Number	0003954033
Instrument Date	Mar 28, 2022
Instrument	3954033
Transaction Type	Transfer
Record Updated	Apr 15, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	333 SEWARD ST, 333, LYONS, CO 80540

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Living Trust
Address	333 SEWARD ST, LYONS, CO 80540

July 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	333 SEWARD ST, LYONS, CO 80540
Document Number	0003724200
Instrument Date	Jul 10, 2019
Transaction Type	Mortgage
Record Updated	Jul 23, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	333 SEWARD ST LYONS CO 80540, LYONS, CO 80540

Mortgage

Document Number	0003724200
Date	Jul 16, 2019
Instrument	3724200

Lender

Name	BELLCO CU
Type	Credit Union
Address	GREENWOOD, CO 80111

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	Jul 15, 2039

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 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		$38,330 (-2.08%) Building $38,330	$626,300 (-) Land $55,800 Building $570,500
2025	$4,475.00 (+2.66%)	$39,144 (-17.67%) Land $3,488 Building $35,656	$626,300 (-11.74%) Land $55,800 Building $570,500
2023	$4,359.00 (+32.9%)	$47,543 (+41.66%) Land $3,243 Building $44,300	$709,600 (+46.95%) Land $48,400 Building $661,200
2022	$3,280.00	$33,562 Land $2,968 Building $30,594	$482,900 Land $42,700 Building $440,200

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.

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